Instructions for use

Thank you for choosing Sennheiser!
We have designed this product to give you reliable operation over many years. Over sixty years of accumulated expertise in the design and manufacture of high-quality electro-acoustic equipment have made Sennheiser a world-leading company in this field. Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser products quickly and to the fullest.

Contents

The evolution wireless series ew 300 G2... 4
The channel bank system.... 4
Safety instructions.... 5 System variants.... 5 Overview of operating controls... 6
EM 300 G2 rack-mount receiver... 6 SK 300 G2 bodypack transmitter... 7 SKM 300 G2 radiomicrophone.... 8 Indications and displays on the receiver... 9 Indications and displays on the transmitters.. 10
Preparing the components for use... 12
EM 300 G2 rack-mount receiver... 12 SK 300 G2 bodypack transmitter... 15 SKM 300 G2 radiomicrophone.... 17
Using the components... 18
Switching the components on/off... 18 Muting the transmitters.... 19 Activating/deactivating the lock mode.... 19
The operating menu.... 20
The buttons.... Overview of menus..... Working with the operating menu... Operating menu of the receiver... Operating menu of the transmitters.... Switching between channel banks... Switching between the channels in a channel bank... Selecting the frequencies to be stored in the channel bank U.. Scanning the channel banks for free channels (EM 300 G2 only).. Multi-channel operation.... Adjusting the sensitivity (transmitters only).. Adjusting the audio output level (EM 300 G2 only)... Adjusting the squelch threshold (EM 300 G2 only).. Selecting the standard display... Entering a name..... Loading the factory-preset default settings... Activating/deactivating the pilot tone transmission or pilot tone evaluation.. Activating/deactivating the lock mode.... Adjusting the contrast of the graphic display (EM 300 G2 only).. Exiting the operating menu... 34 34
Adjustment tips for the operating menu... 28

If problems occur.... 35

Error checklist.... 35 Recommendations and tips... 36
Care and maintenance... 37 Additional information... 38
HDX noise reduction.... Wireless transmission systems.... Squelch.... Diversity reception..... 39 39

Specifications.... 40

onnector assignment.... 41 Polar diagrams and frequency response curves of microphones/microphone heads 42
Accessories.... 43 Manufacturer declarations... 44
Warranty regulations.... CE Declaration of Conformity... Batteries or rechargeable batteries... WEEE Declaration.... 44 44
The evolution wireless series ew 300 G2
With the evolution wireless series ew 300 G2, Sennheiser offers musicians, video and sound amateurs high-quality state-of-the-art RF transmission systems with a high level of operational reliability and ease of use. Transmitters and receivers permit wireless transmission with studio-quality sound. The excellent transmission reliability of the ew 300 G2 series is based on the use of further optimized PLL synthesizer and microprocessor technology, the HDX noise reduction system, the pilot tone squelch control, the true diversity technology (rack-mount receiver only), and the scan function for scanning the channel banks for free channels.

The channel bank system

The ew 300 G2 systems are available in five UHF frequency ranges with 1440 transmission/receiving frequencies per frequency range. Please note: Frequency usage is different for each country. Your Sennheiser agent will have all the necessary details on the available legal frequencies for your area. Range A: Range B: Range C: Range D: Range E: 518 to 554 MHz 626 to 662 MHz 740 to 776 MHz 786 to 822 MHz 830 to 866 MHz

Transmitters and receivers have nine channel banks with eight switchable channels each.
channel 1 channel 2 channel bank 1.8 preset frequency preset frequency

channel 8

preset frequency
channel 1 channel 2 channel bank U
freely selectable frequency freely selectable frequency
freely selectable frequency
The channel banks 1 to 8 have eight switchable channels that are factory-preset to a transmission/receiving frequency (see enclosed frequency table). These transmission/receiving frequencies cannot be changed but have been preset so that e.g. country-specific regulations on frequency usage are taken into account. The channel bank U (user bank) has eight switchable channels to store your selection out of 1440 transmission/receiving frequencies that are freely selectable within the preset frequency range. An advantage of the factory-preset frequencies is that the systems are ready for immediate use after switch-on, several systems can be operated simultaneously on the preset channels without causing intermodulation interference.

Safety instructions

Never open electronic units! If units are opened by customers in breach of this instruction, the warranty becomes null and void. Keep the units away from central heating radiators and electric heaters. Never expose them to direct sunlight. Use the units in dry rooms only. Use a damp cloth for cleaning the units. Do not use any cleansing agents or solvents.

System variants

Areas of application System
EM 300 G2 w 312 w 322 w 352 SKM 300 G2 SK 300 G2 w 372 w 335 w 345 ME 4 ME 3 headmic ME 2 w 365

Areas of application

/ / / / / / /
Theater, presentation (omni-directional) Theater, presentation (high feedback rejection) Sports (aerobic), vocals Instruments Speech, vocals Vocals (high feedback rejection) Vocals, presentation (high feedback rejection)

Delivery includes

(condenser, super-cardioid) ME 3 headmic (condenser, super-cardioid) (dynamic, super-cardioid) ME 2 clip-on microphone (condenser, omni) ME 4 clip-on microphone (condenser, cardioid)

2 telescopic antennnas

SKM 300 G2 with MD 845 mic head
SKM 300 G2 with ME 865 mic head
System EM 300 G2 SK 300 G2
w 312 w 322 w 352 w 372 w 335 w 345 w 365

X X X X X X X

X X x X X X X

X X X X X X X X X X X

Instructions for use X X X X X X X

Microphone clamp

NT 2-1 mains unit
SKM 300 G2 with MD 835 mic head

Instrument cable

(dynamic, cardioid)

2 batteries

Overview of operating controls
EM 300 G2 rack-mount receiver
Operating controls Graphic display, backlit / rocker button (DOWN/UP), backlit SET button, backlit ON button, backlit (serves as the ESC (cancel) key in the operating menu) Cable grip for power supply DC cable DC socket for connection of mains unit (DC IN) Audio output (AF OUT BAL), XLR-3M socket, balanced Audio output (AF OUT UNBAL), (6.3 mm) jack socket, unbalanced Service interface (DATA) Antenna input II (ANT II), BNC socket Type plate Antenna input I (ANT I), BNC socket

Graphic display panel Display for the current channel bank 1.8, U Display for the current channel number 1.8 B.CH abbreviation for channel Bank and CHannel number Alphanumeric display MHz appears when the frequency is displayed Diversity display (antenna I or antenna II active) PILOT display (pilot tone evaluation is activated) Level display for received RF signal RF Level display for received audio signal AF, with PEAK warning 4-step transmitter battery status display Lock mode icon (lock mode is activated) Note: For further illustrations and examples of the different standard displays, please refer to the section Selecting the standard display on page 32.
SK 300 G2 bodypack transmitter
Operating controls Microphone/line input (MIC/LINE), 3.5 mm jack socket Antenna Red LED for operation and battery status indication (ON/LOW BAT) Yellow LED for audio peak (AF PEAK) Charging contacts SET button / rocker button (DOWN/UP) Battery compartment Battery compartment cover Unlocking button ON/OFF button (serves as the ESC (cancel) key in the operating menu) LC display MUTE switch
LC display panel Alphanumeric display B.CH appears when the channel bank and the channel number are displayed MHz appears when the frequency is displayed 4-step battery status display Lock mode icon (lock mode is activated) PILOT display (pilot tone transmission is activated) MUTE display (audio input is muted) 7-step level display for audio signal AF
SKM 300 G2 radiomicrophone
Operating controls Sound inlet basket Color-coded identification ring for microphone heads green: MD 835 microphone head blue: MD 845 microphone head red: ME 865 microphone head Body of radiomicrophone Battery compartment (not visible from outside) Display section LC display Turnable protective cap for operating controls (shown removed) The following operating controls become accessible in turn by turning the protective cap: SET button button (DOWN) button (UP) Red LED for operation and battery status indication (ON/LOW BAT) ON/OFF button (serves as the ESC (cancel) key in the operating menu) MUTE switch
Indications and displays on the receiver
Transmitter battery status indication
The 4-step transmitter battery status display on the receiver display panel provides information on the transmitters remaining battery/accupack BA 2015 capacity: 3 segments: 2 segments: 1 segment: Battery icon flashing: capacity approx. 100 % capacity approx. 70 % capacity approx. 30 % LOW BAT In addition, the text LOW BAT (backlit in red) flashes in alternation with the standard display.

MUTE display

AF peak indication (SK 300 G2 only) The yellow LED (AF PEAK) at the front of the SK 300 G2 lights up when the audio input level is excessively high (AF peak) and overmodulates the transmitter. At the same time, the 7-step level display for audio signal AF shows full deflection for the duration of the overmodulation.
PILOT display The PILOT display lights up when the pilot tone evaluation is activated. (see Activating/deactivating the pilot tone transmission or pilot tone evaluation on page 33).
Display backlighting After pressing a button, the display remains backlit for approx. 15 seconds.
Preparing the components for use
Mounting the receiver feet To ensure that the receiver cannot slip on the surface on which it is placed, four self-adhesive soft rubber feet are supplied. Ensure that the base of the receiver is clean before mounting the rubber feet. Fix the rubber feet to the base of the receiver by peeling of the safety paper and fitting them as shown in the digram on the left. Attention! Some furniture surfaces have been treated with varnish, polish or synthetics which might cause stains when they come into contact with other synthetics. Despite a thorough testing of the synthetics used by us, we cannot rule out the possibility of staining. Connecting the antennas
The supplied telescopic antennas can be mounted quickly and easily to the rear of the receiver and are suitable for all applications where good reception conditions provided a wireless transmission system is to be used without a large amount of installation work. Connect the telescopic antennas to the BNC sockets and at the rear of the receiver. Pull the telescopic antennas out and align the upwards in a V-shape. Use remote antennas when the receiver position is not the best antenna position for optimum reception. These are available as accessories.
Connecting the mains unit The EM 300 G2 is powered via a mains unit. Pass the cable through the cable grip. Insert the DC connector on the mains cable into the DC socket.
Connecting the amplifier/mixing console The EM 300 G2s audio outputs are available as an XLR-3M socket and a (6.3 mm) jack socket , allowing you to simultaneously connect two units (e.g. amplifier, mixing console). The adjusted audio output level is common for both sockets. Connect the amplifier/mixing console to the XLR-3M socket or the (6.3 mm) jack socket. For detailed information on balanced and unbalanced connection, please refer to the section onnector assignment on page 41.

Switching the bodypack transmitter on/off Press the two unlocking buttons and open the battery compartment cover.
Press the ON/OFF button to switch the bodypack transmitter on. The red LED lights up. To switch the bodypack transmitter off, press the ON/OFF button until OFF appears on the display. The red LED goes off. Close the battery compartment. The battery compartment cover locks into place with an audible click.
Switching the radiomicrophone on/off
Turn the protective cap at the bottom of the radiomicrophone so that the ON/OFF button becomes accessible. Press the ON/OFF button to switch the radiomicrophone on. The red LED lights up. To switch the radiomicrophone off, press the ON/OFF button until OFF appears on the display. The red LED goes off.

Muting the transmitters

Both transmitters have a MUTE switch that noiselessly mutes the transmitters audio signal without switching the transmitter off. Muting the SK 300 G2 bodypack transmitter
Set the MUTE switch to the position MUTE. The MUTE display appears on the transmitter display panel. Provided that the pilot tone function is activated on both the transmitter and the receiver, the MUTE display also appears on the receiver display panel. Set the MUTE switch back to the original position to retransmit the audio signal.
Muting the SKM 300 G2 radiomicrophone Turn the protective cap at the bottom of the radiomicrophone so that the MUTE switch becomes accessible. Set the MUTE switch to the position MUTE. The MUTE display appears on the transmitter display panel. Provided that the pilot tone function is activated on both the transmitter and the receiver, the MUTE display also appears on the receiver display panel. Set the MUTE switch back to the original position to retransmit the audio signal.
Activating/deactivating the lock mode
ew 300 G2 transmitters and receivers have a lock mode that can be activated or deactivated via the operating menu (see Activating/deactivating the lock mode on page 34). The lock mode prevents that the transmitter or receiver is accidentally programmed or switched off during operation.

The operating menu

A special feature of the Sennheiser ew 300 G2 series is the similar, intuitive operation. As a result, the units are easy to operate and adjustments to the settings can be made quickly and without looking even in stressful situations, for example on stage or during a live show or presentation.

The buttons

Buttons ON/OFF or ON (EM 300 G2 only) SET Mode Standard display Operating menu Setting mode Standard display Operating menu Setting mode / Standard display Operating menu Setting mode To. turn the transmitter or receiver on and off cancel the entry and return to the standard display cancel the entry and return to the standard display get into the operating menu get into the setting mode of the selected menu store the settings and return to the previous menu level without function change to the previous menu () or change to the next menu () adjust the setting of the selected menu: option (/)

Overview of menus

Receiver
Display Bank Channel Tune Function of the menu Switching between channel banks Switching between the channels in a channel bank Setting a receiving frequency for the channel bank U (user bank) Display BANK CHAN TUNE SENSIT

Transmitters

Function of the menu Switching between channel banks Switching between the channels in a channel bank Setting a transmission frequency for the channel bank U (user bank) Adjusting the sensitivity (AF)
Scan AF Out Squelch Display Name Reset Pilot Lock LCD Contr Exit
Scanning the channel banks for free channels Adjusting the audio output level Adjusting the squelch threshold Selecting the standard display Entering a name Activating/deactivating the pilot tone evaluation Activating/deactivating the lock mode Adjusting the contrast of the graphic display Exiting the operating menu and returning to the standard display

DISPLY NAME PILOT LOCK

Selecting the standard display Entering a name Loading the factory-preset default settings Activating/deactivating the pilot tone transmission Activating/deactivating the lock mode
Loading the factory-preset default settings RESET
Exiting the operating menu and returning to the standard display
Working with the operating menu
By way of example of the Tune menu, this section describes how to use the operating menu. After switching the unit on, the standard display is shown on the display panel.

EM 300 G2

Getting into the operating menu Press the SET button to get from the standard display into the operating menu. The last menu selected flashes on the display. With the receiver, the current setting is additionally displayed.
Selecting a menu Press the / buttons to select a menu. Press the SET button to get into the setting mode of the selected menu. With the transmitters, the current setting that can be adjusted flashes on the display. With the receiver, the name of the menu and the current setting are displayed.
Adjusting a setting Press the / buttons to adjust the setting. By briefly pressing the / buttons, the display jumps either forwards or backwards to the next setting. In the Channel, Tune and Name menu, the / buttons feature a fast search function. If you hold down a button, the display cycles continuously. The fast search function allows you to get fast and easily to your desired setting. With the transmitters, the new setting flashes on the display until it is stored.
Storing a setting Press the SET button to store the setting. Stored appears on the display, indicating that the setting has been stored. The display then returns to the top menu level. With most menus, new settings become effective immediately without having to be stored. An exception are the BANK, CHAN, TUNE and RESET menus of the transmitters and the Reset menu of the receiver. With these menus, new settings only become effective after they have been stored and Stored had appeared on the display.

STORED Stored AF Out +18

Menu Scan AF Out Squelch

AF Out +18

Current audio output level

AF Out 24

/ : +18.0. 24 dB

+18 High

Setting the audio output level

(in steps of 6 dB)

Stored Menu AF Out Squelch Display

24 Low

Squelch Low
Current squelch threshold

Squelch High

/ : Low, Mid, High
Setting the squelch threshold
Stored Menu Squelch High Display Main Name VOCAL
Switching between the standard displays SET

Display Main

Current standard display

Display Frequency

/ : Main, Frequency,

Stored

Bank/Channel, Name, AFMeter, Second RF SET: Stores the setting

Frequency

Bank/Channel

AF-Meter

Second RF

Menu Display Name Reset

Frequency VOCAL

Name OCAL

Current receiver name

Name G CAL

/ : Name (10 characters)
Assigning the receiver a name
Letters w/o pronounciation marks, numbers from 0.9, special characters, spaces
SET: 9 x next character, then store

Menu Name Reset Pilot

GUITAR On

Reset Reset? No

Security check

Reset Reset? Yes

/ : No, Yes
Loading the factory-preset default settings

On/Off

"reset"= Yes: SET: Receiver loads factorypreset default settings (only pilot tone setting is kept), receiver is restarted, standard display appears "reset"= No: SET: Reset is cancelled

Menu Reset Pilot Lock

Pilot On
Pilot tone evaluation activated or deactivated

Pilot Off

/ : On, Off SET: Stores the setting

On Off

Activating/deactivating the pilot tone evaluation
STORED Menu Pilot Off Lock Off LCD Contr IIIIII..
Activating the lock mode SET

Lock Off

Lock mode activated or deactivated

Lock On

/ : On, Off
Lock mode = On: SET: Stores the setting, returns to standard display Lock mode = Off: SET: Stores the setting

STORED

Menu Lock On LCD Contr IIIIII.. Exit
Adjusting the contrast of the graphic display

LCD Contrast IIIIII..

Current contrast setting

LCD Contrast IIIIIIIIII.

16 steps

Menu LCD Contr Exit Bank

Switching between the channels in a channel bank CHAN Channel
Via the Channel menu, you can switch between the eight channels in a channel bank. Always set the transmitter and the receiver of a transmission link to the same channel. After scanning the channel banks (see Scanning the channel banks for free channels (EM 300 G2 only) on page 29), only the free channels are displayed. Set the transmitter to one of the free channels.
Selecting the frequencies to be stored in the channel bank U TUNE Tune
Via the Tune menu, you can select the frequencies to be stored in the channel bank U (user bank). When you have selected one of the channel banks 1 to 8 and then select the Tune menu, the transmitter or receiver automatically switches to channel 01 of the channel bank U. In this case, U.01 briefly appears on the display. Use the / buttons to select the desired transmission or receiving frequency. Transmission and receiving frequencies are tunable in 25-kHz steps within a switching bandwidth of 36 MHz max. For intermodulationfree frequencies, please refer to the enclosed frequency table.
Scanning the channel banks for free channels (EM 300 G2 only) Scan
Before putting one or several transmission links into operation, you should scan the channel banks for free channels. Displaying the last scan result
Scan Channel list Scan new Scan reset
Bank 3 Free 03 Bank 7 Free U 01 08
Select the Scan menu. Select Channel list to display the last scan result. The number of free channels is displayed for all channel banks.
Channel 1.01 786.300 MHz B.CH
For further details, select a channel bank by using the / buttons and then press the SET button. This gets you into the Channel menu where you can select a channel of this channel bank or display the frequency of a channel. Starting the scan Before starting the scan, switch all transmitters of your system off, since channels used by switched-on transmitters will not be displayed as free channels.
Select the Scan menu. Select Scan new and confirm your selection by pressing the SET button. After the scan is completed, the number of free channels is displayed for all channel banks. Channels that are used or subject to interference are locked and cannot be selected. For further details, select a channel bank by using the / buttons and then press the SET button. This gets you into the Channel menu where you can select a channel of this channel bank or display the frequency of a channel. Releasing locked channels

Loading the factory-preset default settings RESET Reset
Via the Reset menu, you can load the factory-preset default settings. Only the selected setting for the pilot tone remains unchanged. After the reset, the unit is restarted and the standard display is shown on the display panel.
Activating/deactivating the pilot tone transmission or pilot tone evaluation PILOT Pilot
Via the Pilot menu, you can activate or deactivate the pilot tone transmission of the transmitters and the pilot tone evaluation of the receiver. The pilot tone supports the squelch function (Squelch) and protects against interference due to RF signals from other units. The transmitter adds an inaudible signal, known as the pilot tone, to the transmitted signal. The receiver detects and evaluates the pilot tone, and is thus able to identify the signal of the matching transmitter and mute all others. Transmitters of the ew 300 series (first generation) do not transmit a pilot tone and the receiver of the ew 300 series (first generation) cannot evaluate the pilot tone. Nevertheless, you can combine units of the ew 300 series (first generation) with units of the ew 300 G2 series (second generation). However, when combining units, please observe the following: With an ew 300 G2 transmitter and the ew 300 G2 receiver: Activate the pilot tone function with both transmitter and receiver. With an ew 300 transmitter and the ew 300 G2 receiver or vice versa: Deactivate the pilot tone function with the ew 300 G2 transmitter or receiver.
Activating/deactivating the lock mode LOCK Lock
Via the Lock menu, you can activate or deactiveate the lock mode.
The lock mode prevents that the transmitter or receiver is accidentally programmed or switched off during operation. The lock mode icon on the display indicates that the lock mode is activated. EM 300 G2 To deactivate the lock mode, first press the SET button and then press the / buttons to select Lock Off. If you confirm your selection by pressing the SET button, the buttons can be operated as usual.
Adjusting the contrast of the graphic display (EM 300 G2 only) LCD-Contr
Via the LCD Contr menu, you can adjust the contrast of the graphic display in 16 steps.
Exiting the operating menu EXIT Exit
Via the Exit menu, you can exit the operating menu and return to the standard display.

If problems occur.

Error checklist
Problem No operation indication Possible cause Batteries are flat or accupack is flat No mains connection (EM 300 G2) No RF signal Possible solution Replace the batteries or recharge the accupack Check the connections of the mains unit
Transmitter and receiver are not on the Set transmitter and receiver to the same channel same channel Transmitter is out of range Check the squelch threshold setting (see Adjusting the squelch threshold (EM 300 G2 only) on page 31) or reduce the distance between transmitter and receiving antenna Deactivate the muting function

RF signal available, no audio signal, MUTE display appears on the display panel
Transmitter is muted (MUTE)
Receivers squelch threshold is adjusted See Adjusting the squelch threshold too high (EM 300 G2 only) on page 31 Transmitter doesnt transmit a pilot tone See Activating/deactivating the pilot tone transmission or pilot tone evaluation on page 33
Audio signal has a high level of background noise
Transmitter sensitivity is adjusted too See Adjusting the sensitivity low (transmitters only) on page 30 Receivers AF output level is adjusted too low See Adjusting the audio output level (EM 300 G2 only) on page 31
Audio signal is distorted
Transmitter sensitivity is adjusted too See Adjusting the sensitivity high (transmitters only) on page 30 Receivers AF output level is adjusted too high See Adjusting the audio output level (EM 300 G2 only) on page 31
No access to a certain channel
During scanning, an RF signal has been See Scanning the channel banks for detected on this channel and the free channels (EM 300 G2 only) on channel has been locked page 29 During scanning, a transmitter of your See Multi-channel operation on system operating on this channel has page 30 not been switched off
If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance.

Recommendations and tips

. for the ME 2 and ME 4 clip-on microphones To reduce level variations to a minimum when the user turns his or her head away from the microphone, attach the microphone as centrally as possible. To protect the microphone against excessive sweat/moisture, avoid direct skin contact. Attach the microphone carefully and conduct the cable so that noise due to friction is avoided. Always use the ME 4 directional microphone with a windshield and direct the microphone towards the sound source (e.g. mouth). for the ME 3 headmic Always use the microphone with a popshield and position the microphone at the corner of the mouth. You can vary the bass reproduction by increasing/decreasing the talking distance. Make sure that the sound inlet is directed towards the mouth. The sound inlet is marked with a little dot. for the SK 300 G2 bodypack transmitter Make sure that the antenna and the microphone cable do not cross. The antenna should hang freely and be at least 1 cm away from the body. The antenna must not be in direct contact with the skin. For best results, make sure that the transmitter sensitivity is correctly adjusted. for the SKM 300 G2 radiomicrophone Hold the SKM 300 G2 in the middle of the microphone body. Holding it close to the sound inlet basket will influence the microphones pick-up pattern, holding it at the lower part of the body will reduce the transmitters range. You can vary the bass reproduction by increasing/decreasing the talking distance. For best results, make sure that the transmitter sensitivity is correctly adjusted. for optimum reception Transmission range depends to a large extent on location and can vary from about 10 m to about 150 m. There should be a free line of sight between transmitting and receiving antennas. If, with the EM 300 G2 receiver, reception conditions are unfavourable, you should use two remote antennas which are connected via antenna cable. To avoid overmodulating the receiver, observe a minimum distance of 5 m between transmitting and receiving antennas. Observe a minimum distance of 50 cm between receiving antennas and metal objects (such as cross members or reinforced-concrete walls).

The receiver display panel shows the active diversity section (I or II).

Control signal

Receiver section I
Electronic switch-over of AF signal

Receiver section II

Specifications
System RF characteristics Modulation Frequency ranges Transmission/receiving frequencies wideband FM 518554, 626662, 740776, 786822, 830866 MHz 8 channel banks with 8 factory-preset channels each 1 channel bank with 8 freely selectable channels (1440 frequencies, tunable in steps of 25 kHz) 36 MHz 24 kHz/48 kHz 15 ppm
Switching bandwidth Nominal/peak deviation Frequency stability AF characteristics Noise reduction system AF frequency response S/N ratio (at 1 mV and peak deviation) THD (at nominal deviation and 1 kHz) General data Temperature range Dimensions of carrying case [mm] Weight of carrying case Receiver RF characteristics Receiver principle Sensitivity (with HDX, peak deviation) Adjacent channel rejection Intermodulation attenuation Blocking Squelch
Sennheiser HDX 4018,000 Hz 112 dB(A) 0.9 %
10 C to + C x 370 x 70 approx. 3100 g
Pilot tone squelch Antenna inputs AF characteristics AF output voltage (at peak deviation 1 kHzAF)
EM 300 G2 true diversity < 2.5 V at 52 dBArms S/N ratio 68 dB 68 dB 72 dB 4 steps: Off Low: 5 dBV Mid: 15 dBV High: 25 dBV can be switched off 2 BNC sockets
(6.3 mm) jack socket (unbalanced):

XLR socket (balanced):

+12 dBu +18 dBu
Overall device Power supply Power consumption Dimensions [mm] Weight
10.V DC, nominal voltage 12 V DC approx. 200 mA 212 x 145 x 38 approx. 1100 g
Transmitters RF characteristics RF output power at 50 AF characteristics Max. input voltage (at peak deviation) Input impedance SK 300 G2 typ. 30 mW SKM 300 G2
Microphone Line Microphone Line
1.8 Vrms, unbalanced 2.4 Vrms 10 k, unbalanced 1 M
Overall device Power supply Nominal voltage Max. power consumption at nominal voltage Power consumption with switched-off transmitter Operating time (with batteries) Operating time (with BA 2015 accupack) Dimensions [mm] Weight (incl. batteries) Microphones Transducer principle Sensitivity Pick-up pattern Max. SPL Microphone heads Transducer principle Sensitivity Pick-up pattern Max. SPL Color of identification ring MD 835 dynamic 1.5 mV/Pa cardioid 150 dB SPL green

ASP 2 Antenna splitter, 2 x 1:4, passive, for connecting eight EM 300 G2 to two A 1031-U/AB 2 NT 1 Mains unit for ASP 2 DC 2 DC power adapter, for external 12 V DC powering of SK 300 G2 (instead of two AA size batteries) BA 2015 Accupack for SK 300 G2 and SKM 300 G2 L 2015 Charger for BA 2015 accupack CC 2 Carrying case for ew 300 G2 system KEN 8 color-coded identification caps for SKM 300 G2
Manufacturer declarations

Warranty regulations

The guarantee period for this Sennheiser product is 24 months from the date of purchase. Excluded are accessory items, rechargeable or disposable batteries that are delivered with the product; due to their characteristics these products have a shorter service life that is principally dependent on the individual frequency of use. The guarantee period starts from the date of original purchase. For this reason, we recommend that the sales receipt be retained as proof of purchase. Without this proof (which is checked by the responsible Sennheiser service partner) you will not be reimbursed for any repairs that are carried out. Depending on our choice, guarantee service comprises, free of charge, the removal of material and manufacturing defects through repair or replacement of either individual parts or the entire device. Inappropriate usage (e.g. operating faults, mechanical damages, incorrect operating voltage), wear and tear, force majeure and defects which were known at the time of purchase are excluded from guarantee claims. The guarantee is void if the product is manipulated by non-authorised persons or repair stations. In the case of a claim under the terms of this guarantee, send the device, including acces-sories and sales receipt, to the responsible service partner. To minimise the risk of transport damage, we recommend that the original packaging is used. Your legal rights against the seller, resulting from the contract of sale, are not affected by this guarantee. The guarantee can be claimed in all countries outside the U.S. provided that no national law limits our terms of guarantee.
CE Declaration of Conformity
This equipment is in compliance with the essential requirements and other relevant provisions of Directives 1999/5/EC, 89/336/EC or 73/23/EC. The declaration is available on the internet site at www.sennheiser.com. Before putting the device into operation, please observe the respective country-specific regulations!
Batteries or rechargeable batteries
The supplied batteries or rechargeable batteries can be recycled. Please dispose of them as special waste or return them to your specialist dealer. In order to protect the environment, only dispose of exhausted batteries.

WEEE Declaration

Your Sennheiser product was developed and manufactured with highquality materials and components which can be recycled and/or reused. This symbol indicates that electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime. Please dispose of this product by bringing it to your local collection point or recycling centre for such equipment. This will help to protect the environment in which we all live.

10. Protect the mains cable from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the device. 11. Only use attachments/accessories specified by Sennheiser. 12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the device. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tipover. 13. Unplug the devices during lightning storms or when unused for long periods of time. 14. Refer all servicing to qualified service personnel. Servicing is required if the device has been damaged in any way, such as mains cable or plug damage, liquid has been spilled, objects have fallen inside, the device has been exposed to rain or moisture, does not operate properly or has been dropped. 15. To completely disconnect the devices from the AC mains, disconnect the mains plug from the AC receptacle. 16. WARNING: To reduce the risk of fire or electric shock, do not expose the devices to rain or moisture. 17. Do not expose the devices to dripping or splashing and ensure that no objects filled with liquids, such as vases or coffee cups, are placed on the devices. 18. The plug of the mains cable shall remain readily operable and easily accessible.
ew300_350_IEM_INT.book Seite 3 Freitag, 7. Mrz 2008 8:55 08
Hazard warnings on the rear of the transmitter (SR 350 IEM G2 only) The label shown on the left is attached to the rear of the transmitter. The symbols on this label have the following meaning: This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the transmitters enclosure that may be of sufficient magnitude to constitute risk of fire or electric shock. This symbol is intended to alert the user to the risk of electric shock if the transmitter is opened. There are no user serviceable parts inside. Refer servicing to qualified personnel only. This symbol is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying this transmitter. Overloading Do not overload wall outlets and extension cables as this may result in fire and electric shock. Replacement parts When replacement parts are required, be sure the service technician has used replacement parts specified by Sennheiser or those having the same characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. Safety check Upon completion of any service or repairs to this device, ask the service technician to perform safety checks to determine that the device is in safe operating order. Danger due to high volumes This is a professional transmission system. Commercial use is subject to the rules and regulations of the trade association responsible. Sennheiser, as the manufacturer, is therefore obliged to expressly point out possible health risks arising from use. This system is capable of producing sound pressure exceeding 85 dB(A). 85 dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. At higher volumes, the duration must be shortened in order to prevent hearing damage. The following are sure signs that you have been subjected to excessive noise for too long a time: You can hear ringing or whistling sounds in your ears. You have the impression (even for a short time only) that you can no longer hear high notes. Reception interference due to high transmission power The SR 350 IEM G2 twin transmitter can be switched to a transmission power of 100 mW. Depending on the selected frequency, this can affect the reception of other wireless systems.

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Intended use of the devices Intended use of the ew 300 IEM G2 series devices includes: using the devices for professional purposes, having read these instructions especially the chapter Important safety instructions on page 2, using the devices within the operating conditions and limitations described in this instruction manual. Improper use means using the devices other than as described in these instructions, or under operating conditions which differ from those described herein.
The ew 300 IEM G2 systems
With the Sennheiser evolution wireless in-ear monitoring systems ew 300 IEM G2 (suitable for both stage and broadcast use), musicians, video and sound amateurs, reporters/broadcasters, etc. can directly monitor the received sound signals without troublesome cables or monitor speakers being required. In addition, the system can also be used for any application where talkback signals are to be transmitted. The evolution wireless in-ear monitoring systems ew 300 IEM G2 are highquality state-of-the-art RF transmission systems with a high level of operational reliability and ease of use. The transmitters and the receiver permit wireless transmission with studio-quality sound. The excellent transmission reliability of the ew 300 IEM G2 systems is based on the use of further optimized PLL synthesizer and microprocessor technology, the HDX noise reduction system, the pilot tone squelch control (during stereo operation), and the scan function for scanning the channel banks for free channels. The ew 300 IEM series offers two systems: the ew 300 IEM G2 system (SR 300 IEM G2 stereo transmitter, EK 300 IEM G2 stereo receiver) and the SR 350 IEM G2 twin transmitter The EK 300 IEM G2 can also be used with the SR 350 IEM G2 twin transmitter. The SR 350 IEM G2 twin transmitter consists of two complete SR 300 IEM G2 stereo transmitters, but offers some advantages such as easy rack mounting, a built-in mains unit and a switchable transmission power for optimum operational reliability under varying transmission conditions.
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The channel bank system

The ew 300 IEM G2 systems are available in six UHF frequency ranges with 1440 transmission/receiving frequencies per frequency range. Please note: Frequency usage is different for each country. Your Sennheiser agent will have all the necessary details on the available legal frequencies for your area: Range A: 518 to 554 MHz Range D: 786 to 822 MHz Range B: 626 to 662 MHz Range E: 830 to 866 MHz Range C: 740 to 776 MHz Range G: 572 to 608 MHz The transmitters and the receiver of the ew 300 IEM G2 systems have nine channel banks with up to 12 switchable channels each.
Channel 1 Channel 2 Bank 1.8 Factory-preset frequency Factory-preset frequency

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Stereo transmitter rear view
Operating controls on the SR 350 IEM G2 twin transmitter
3-pin IEC mains socket Cable grip for power supply DC cable Label with hazard warnings Type plate Service interface; connection to the NET 1 network system Audio input (AF IN BAL/UNBAL), XLR-3F socket (left and MONO) Audio input (AF IN BAL/UNBAL), XLR-3F socket (right) Antenna output (ANT A/B), BNC socket Transmission power switch (RF POWER) Operating controls on the SR 300 IEM G2 transmitter
DC socket for connection of mains unit (DC IN) Cable grip for power supply DC cable Type plate Service interface (DATA) Audio input (AF IN BAL/UNBAL), XLR-3F socket (left and MONO) Audio input (AF IN BAL/UNBAL), XLR-3F socket (right) Antenna output (ANT), BNC socket
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EK 300 IEM G2 stereo receiver

Operating controls Headphone output (PHONES), 3.5 mm jack socket Antenna Red LED for operation and battery status indication (ON/LOW BAT) Green LED for RF signal indication (RF) Charging contacts SET button / rocker button (DOWN/UP) Battery compartment Battery compartment cover Battery compartment release button ESC button LC display On/off/volume control
LC display panel Alphanumeric display B.CH appears when the channel bank and the channel number are displayed MHz appears when the frequency is displayed 4-step battery status display Lock mode icon (lock mode is activated) PILOT display (pilot tone evaluation is activated) MUTE display (audio output is muted) 7-step level display for received audio signal AF 7-step level display for received RF signal RF
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Indications and displays on the transmitter
Modulation display The level display for audio signal AF shows the modulation of the transmitter. When the transmitters audio input level is excessively high, the level display for audio signal AF shows full deflection. When the transmitter is overmodulated frequently or for an extended period of time, the text PEAK (backlit in red) flashes in alternation with the standard display.

Button backlighting During standby operation, the ON button is backlit in red. When the transmitter is switched on, the SET button and the / button are additionally backlit in green.
Indications and displays on the receiver
Operation and battery status indication The red LED (LOW BAT/ON) provides information on the current operating state of the receiver: Red LED lit up: The receiver is switched on and the capacity of the batteries/BA 2015 accupack is sufficient. The batteries are/the BA 2015 accupack is going flat (LOW BAT)!

Red LED flashing:

In addition, the 4-step battery status display on the display panel provides information on the remaining battery/BA 2015 accupack capacity: 3 segments: 2 segments: 1 segment: Battery icon flashing:
capacity approx. 100 % capacity approx. 70 % capacity approx. 30 % LOW BAT
Modulation display of the received transmitter The level display for audio signal AF shows the modulation of the received transmitter. When the transmitters audio input level is excessively high (AF peak), the receivers level display for audio signal AF shows full deflection.
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MUTE display The MUTE display appears on the display panel when the RF signal of the received transmitter is too weak.
PILOT display The PILOT display appears on the display panel when the pilot tone evaluation is activated (see Activating/deactivating the pilot tone evaluation (receiver only) on page 32).
RF signal indication The green LED (RF) at the front of the receiver lights up when an RF signal is being received. However, the green LED (RF) does not light up when the audio output is muted because the RF signal of the received transmitter is too weak,
the transmitter is set to mono operation and the receivers pilot tone evaluation is deactivated.
Display backlighting After pressing a button, the display remains backlit for approx. 15 seconds.
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Preparing the devices for use
SR 300 IEM G2 transmitter/ SR 350 IEM G2 twin transmitter
Fitting the device feet To ensure that the transmitter cannot slip on the surface on which it is placed, four self-adhesive soft rubber feet are supplied. Note: Do not fit the rubber feet when rack mounting the transmitter. CAUTION! Risk of staining of furniture surfaces! Some furniture surfaces have been treated with varnish, polish or synthetics which might cause stains when they come into contact with other synthetics. Despite a thorough testing of the synthetics used by us, we cannot rule out the possibility of staining. Do not place the transmitter on delicate surfaces. Ensure that the base of the transmitter is clean and free from grease before mounting the rubber feet. Fix the rubber feet to the base of the transmitter by peeling off the safety paper and fitting them as shown in the digram on the left.
Rack mounting CAUTION! Risks when rack mounting the transmitter! When installing the device in a closed or multi-rack assembly, please consider that, during operation, the ambient temperature within the rack may significantly rise above room temperature. The ambient temperature within the rack must not exceed the temperature limit specified in the specifications. When installing the device in a rack, take good care not to affect the ventilation required for safe operation or provide additional ventilation. Make sure the mechanical loading of the rack is even to avoid a hazardous condition such as a severely unbalanced rack. When connecting the device to the power supply, observe the information indicated on the type plate. Avoid circuit overloading. If necessary, provide overcurrent protection. Ensure a reliable mains ground connection of the device by taking appropriate measures. When installing the device in a closed or multi-rack assembly, please note that intrinsically harmless leakage currents of the individual devices may accumulate, thereby exceeding the allowable limit value. As a remedy, ground the rack via an additional ground connection.
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Rack mounting the SR 350 IEM G2 The rack mount ears are already fitted to the twin transmitter on delivery. twin transmitter To mount the twin transmitter into a 19 rack: Slide the twin receiver into the 19 rack. Secure the rack mount ears to the rack using four screws (not included). Rack mounting the SR 300 IEM G2 For mounting one or two transmitters into a 19 rack, you require the GA 2 transmitter rack adapter. The GA 2 rack adapter consists of:

2 rack mount ears 1 blanking plate 1 jointing plate 2 blanking plugs for closing off unused BNC holes 12 recessed head screws M 3xrecessed head screws M 6x10
To mount two transmitters side by side into a rack:
Place the two transmitters side by side upside-down onto a flat surface. Align the jointing plate over the holes in the bottom sides of the transmitters. Secure the jointing plate to the transmitters using eight of the supplied recessed head screws (M 3x6). Hook the two rack mount ears to the front panels of the transmitters. Secure the rack mount ears to the transmitters using two of the supplied recessed head screws (M 3x6) respectively. Slide the transmitters into the 19 rack. Secure the rack mount ears to the rack.
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When mounting only one transmitter into a rack, use the blanking plate instead of the second transmitter. To mount only one transmitter into a rack:
Hook the two rack mount ears to the front panel of the transmitter. Secure the rack mount ears to the transmitter using two of the supplied recessed head screws (M 3x6) respectively. Secure the blanking plate to one of the rack mount ears using two of the supplied recessed head screws (M 6x10). If you are not front mounting the BNC output connector, insert the two blanking plugs into the holes of the blanking plate. Slide the transmitter into the 19 rack. Secure the rack mount ears to the rack. Connecting the antenna Connecting the antenna to the rear The supplied telescopic antenna can be mounted quickly and easily and are of the transmitter suitable for all applications where good transmission conditions provided a wireless transmission system is to be used without a large amount of installation work. Connect the telescopic antenna to the BNC socket at the rear of the transmitter. Pull the end cap to extend the telescopic antenna.
Use a remote antenna (available as an accessory) when the transmitter position is not the best antenna position for optimum transmission.
Antenna front mounting When mounting only one SR 300 IEM G2 transmitter or one SR 350 IEM G2 twin transmitter into a rack, you can use an antenna mount (optional accessory) to mount the transmitters antenna connection to the front of the rack. Use the antenna mount matching the respective transmitter: For the SR 300 IEM G2 transmitter: AM 2 antenna mount For the SR 350 IEM G2 twin transmitter: GA 3030 AM antenna mount
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The antenna mounts consist of: 2 BNC extension cables (screw-in BNC socket 2 washers 2 nuts 2 antenna holders (GA 3030 AM only) 4 screws (GA 3030 AM only) To front mount the antenna of the SR 300 IEM G2 transmitter:

to BNC connector

Screw the BNC socket of the BNC extension cables to the blanking plate using the supplied washer and nut. Connect the BNC connector to the BNC socket on the transmitter. Slide the transmitter into the 19 rack. Secure the rack mount ears to the rack. Connect the telescopic antenna to the BNC socket. Pull the end cap to extend the telescopic antenna Unsecure the rack mount ears from the rack. Guide the BNC cables through the holes in the rack mount ears as shown in the diagram on the left.

Menu Name GUITAR Reset LCD Contr IIIIII..
Loading the factory-preset default settings

Reset Reset? No

Security check

Reset Reset? Yes

/ : No, Yes "reset"= Yes: SET: Transmitter loads factorypreset default settings, transmitter is restarted, standard display appears
"reset"= No: SET: Reset is cancelled
Menu Reset LCD Contr IIIIII.. Mode Stereo
Adjusting the contrast of the graphic display

LCD Contrast IIIIII..

Current contrast setting

LCD Contrast IIIIIIIIII.

16 steps

STORED

Menu LCD Contr IIIIIIIIII. Mode Stereo Lock Off
Switching between stereo and mono operation

Mode Stereo

Current setting

Mode Mono

/ : Stereo, Mono
STORED Menu Mode Lock Exit

Mono Off

Lock Off
Lock mode activated or deactivated

Lock On

/ : On, Off

Activating the lock mode

Lock mode = On: SET: Stores the setting, returns to standard display Lock mode = Off: SET: Stores the setting

Menu Lock Exit Bank

Exiting the operating menu
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Operating menu of the stereo receiver

BANK 1

BANK U

/ : 1.8, U (User

Bank) SET: Stores the setting

STORED CHAN

Current channel or frequency

STORED TUNE

790.025 MHz

791.125 MHz

/ : Receiving
frequency in steps of 25 kHz SET: Stores the setting

STORED SCAN

Scanning the selected channel bank for free channels SET U.

/ : CLEAR, START

09 CH FREE
Start scan = START SET: Scans the selected channel bank for free channels Delete result = CLEAR SET: Releases locked channels

STORED SQELCH

Setting the squelch threshold SET
Current squelch threshold

LO, MID, HI

STORED ST--FOC
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SQELCH

ST--FOC
Switching between stereo and FOCUS operation

STEREO

Stereo, Focus
Limiting the volume at the headphone output

LTD.OFF OFF

Limiter activated or deactivated

LTD. ON

/ : OFF, ON

STORED HI--BST

Boosting the AF frequency response SET

HB.OFF OFF

Frequency boost activated or deactivated

HB. ON

STORED DISPLY
Switching between the standard displays SET

FREQ, NAME,

CHAN SET: Stores the setting

STORED NAME

Assigning the receiver a name SET

Current receiver name

Enter a name (6 characters) Letters w/o
pronounciation marks, numbers from 0.9, special characters, spaces

STORED RESET

SET: 5 x next character, then store
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Loading the factorypreset default settings

RST. NO

RST. OK

/ : OK, NO

"reset" = OK: SET: Receiver loads factorypreset default settings (only pilot tone setting is kept), receiver is restarted, standard display appears
"reset" = NO SET: Reset is cancelled SET
Activating/deactivating the pilot tone transmission

PLT. ON

Pilot tone transmission activated or deactivated

PLT. OFF

/ : ON, OFF

STORED LOCK

Activating the lock mode SET

LOC.OFF OFF

LOC. ON
/ : ON, OFF Lock mode = ON: SET: Stores the setting, ("STORED") returns to standard display Lock mode = OFF: SET: Stores the setting

STORED EXIT

Exiting the operation SET

BAL.L 1

Current balance setting Adjusting the balance

BAL.R 15

/ : BAL.L 1.15,

BAL.--0--, BAL.R 1.15

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Adjustment tips for the operating menu
Switching between channel banks BANK Bank
Via the Bank menu, you can switch between the nine channel banks of the ew 300 IEM G2 transmitter and receiver. The channel banks 1 to 8 have up to 12 switchable channels that are factory-preset to a transmission/ receiving frequency (see The channel bank system on page 5). The channel bank U (user bank) also has up to 12 switchable channels to store your selection out of 1,440 transmission/receiving frequencies that are freely selectable within the preset frequency range. When switching from one channel bank to another, the channel with the lowest channel number is automatically displayed. If, during the last scan of this channel bank, an interfering frequency was detected on the channel with the lowest channel number, the receiver display panel automatically displays the next free channel (see below).
Switching between the channels in a channel bank CHAN Channel
Via the Channel menu, you can switch between the channels in a channel bank. Always set the transmitter and the receiver of a transmission link to the same channel. After scanning a channel bank (see Scanning the channel banks for free channels (receiver only) on page 28), only the free channels are displayed. Set the transmitter to one of the free channels.

Selecting the frequencies to be stored in the channel bank U TUNE Tune
Via the Tune menu, you can select the frequencies to be stored in the channel bank U (user bank). When you have selected one of the channel banks 1 to 8 and then select the Tune menu, the transmitter or receiver automatically switches to channel 01 of the channel bank U. In this case, U.01 briefly appears on the display. Use the / rocker button to select the desired transmission or receiving frequency. Transmission and receiving frequencies are tunable in 25-kHz steps within a switching bandwidth of 36 MHz max. For intermodulationfree frequencies, please refer to the enclosed frequency table.
Scanning the channel banks for free channels (receiver only) SCAN
Before putting one or several transmission links into operation, you should scan the selected channel bank for free channels. Starting the scan and storing the scan result Before starting the scan, switch all transmitters of your system off, since channels used by switched-on transmitters will not be displayed as free channels. Select the SCAN menu.
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Select START and confirm your selection by pressing the SET button. After the scan is completed, the number of free channels is displayed. Pressing the SET button once more will store the scan result and lock all channels that are used or subject to interference. Releasing locked channels Select the SCAN menu. Select CLEAR and confirm your selection by pressing the SET button. All channels in this channel bank can now be selected again.

Multi-channel operation

For multi-channel operation, only use the free channels in a channel bank. Before putting the transmission links into operation, we recommend performing an auto scan. Select a channel bank on a receiver. Scan this channel bank for free channels. If not enough free channels are available in the selected channel bank, repeat the scan with another channel bank. Apply the scan result to all other transmitters and receivers. Note: If you have the SR 350 IEM G2 twin transmitter connected to the NET 1 network system, follow the instructions of the user manual of the NET 1.
Adjusting the squelch threshold (receiver only) SQELCH
The receiver is equipped with a squelch that can be adjusted via the SQELCH menu. The squelch eliminates annoying noise when the transmitter is switched off. It also suppresses sudden noise when there is no longer sufficient transmitter power received by the receiver. Note:

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Selecting the standard display DISPLY Display
Via the Display menu, you can select the standard display. SR 300 IEM G2 transmitter/SR 350 IEM G2 twin transmitter Selectable standard display Frequency (display of the frequency) Contents of standard display
Bank/Channel (display of the channel bank and channel number) Name (display of the freely selectable name)
EK 300 IEM receiver Selectable standard display FREQ Contents of standard display
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Entering names NAME Name

Via the Name menu, you can enter a freely selectable name for the transmitter and the receiver. You can, for example, enter the name of the performer for whom the adjustments have been made. The name can be displayed on the standard display and can consist of up to ten characters (transmitter) and up to six characters (receiver) such as: letters (without pronounciation marks), numbers from 0 to 9, special characters e.g. () -. _ and spaces. To enter a name, proceed as follows: Press the SET button to get into the setting mode of the Name menu. The first segment starts flashing on the display. With the / rocker button you can now select a character. By briefly pressing a button, the display jumps either forwards or backwards to the next character. If you hold down a button, the display starts cycling continuously. Press the SET button to change to the next segment and select the next character. Have you entered the name completely? Press the SET button to store your setting and to return to the previous menu level.
Loading the factory-preset default settings RESET Reset
Via the Reset menu, you can load the factory-preset default settings. With the receiver, however, the selected setting for the pilot tone remains unchanged. After the reset, the device is restarted and the standard display is shown on the display panel.
Activating/deactivating the pilot tone evaluation (receiver only) PILOT Pilot
Via the Pilot menu, you can activate or deactivate the pilot tone evaluation of the receiver. The pilot tone is used to code the transmitters stereo signal, support the squelch function (Squelch). During stereo operation, the transmitter adds the pilot tone to the transmitted stereo signal and the receiver detects and evaluates the pilot tone. When the transmitter is set to mono operation, deactivate the pilot tone evaluation on the receiver. You can combine units of first and second generation ew 300 IEM systems without any problems.

Wireless transmission systems
With the ew 300 IEM G2 system, Sennheiser puts an end to cable tangles and enables complete freedom of movement. The systems operate exclusively in the UHF band. UHF transmission is extremely reliable and is far less prone to interference than the overcrowded VHF band harmonics from mains units, fluorescent tubes, refrigerators, computers, etc. are virtually eliminated. Also indoor propagation of UHF radio waves is better than VHF so that the RF power can be kept low this is also an advantage when using multi-channel systems. Finally, UHF frequency ranges are being approved all over the world for radiomicrophone usage in some countries licence-free. Correct adjustment of transmitter sensitivity is vital. Too high and you get overmodulation and distortion, too low and you get undermodulation and a noisy signal. Please set the sensitivity correctly for the microphone/usage and check it before every performance to ensure best operation.
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Squelch

Pilot tone squelch The transmitter adds a 19-kHz pilot tone to the audio signal. The receiver checks incoming audio signals to see if the pilot tone is present. In the absence of the 19-kHz signal, the receivers audio output will remain muted, even if a strong RF signal is present. This prevents strong interfering signals from causing hissing noise in the receiver when the transmitter is switched off. Field strength-dependent squelch Depending on the strength of the received RF signal, the receivers audio output is opened or muted. Via the SQELCH menu of the receiver, the squelch threshold can be adjusted in three steps (LO, MID, HI).
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Specifications

System RF characteristics Modulation Frequency ranges Transmission/receiving frequencies wideband FM stereo, MPX pilot tone 518554, 572608, 626662, 740776, 786822, 830866 MHz 8 channel banks with up to 12 factory-preset channels each 1 channel bank with up to 12 freely selectable channels (1,440 frequencies, tunable in steps of 25 kHz) 36 MHz 24 kHz/ 48 kHz 15 ppm
Switching bandwidth Nominal/peak deviation Frequency stability AF characteristics Noise reduction system AF frequency response MPX pilot tone (frequency/deviation) S/N ratio (at 1 mV and peak deviation) THD (at nominal deviation and 1 kHz) General data Temperature range Dimensions of carrying case [mm] Weight of carrying case IE 4 earphones Frequency response Max. SPL Impedance EK 300 IEM G2 receiver RF characteristics Receiver principle Sensitivity (with HDX, peak deviation) Adjacent channel rejection Intermodulation attenuation Blocking Squelch

Accessories and spare parts
Cat. No. Accessory/spare part 009823 GA 2: 19 rack adapter 009912 AM 2 (for SR 300 IEM G2): Antenna mount for mounting antennas to the front of the GA 2 rack adapter 004645 A 1031-U: UHF antenna, passive, omni-directional, can be mounted onto a stand 003658 A 2003 UHF: UHF antenna, passive, directional, can be mounted onto a stand 004368 GA 3030-AM (for SR 350 IEM G2): Antenna mount 002324 GZL 1019-A1: Antenna cable with BNC connectors, length: 1 m 002325 GZL 1019-A5: Antenna cable with BNC connectors, length: 5 m 009822 AC 2: Transmitter combiner, for combining the RF signals of up to four transmitters onto a single antenna and for powering up to four transmitters 502048 AC 3200: Transmitter combiner, for combining the RF signals of up to eight transmitters onto a single antenna and for powering up to eight transmitters 004863 NT 3: Plug-in mains unit for ACIE 4: 1 pair of earphones with medium ear sleeves 512814 IES 4L: Ear sleeves, large (10 pieces) 512815 IES 4M: Ear sleeves, medium (10 pieces) 512816 IES 4S: Ear sleeves, small (10 pieces) 009950 BA 2015: Accupack 009828 L 2015: Charger for BA 2015 accupack 009826 CC 2: Carrying case for ew 300 IEM G2 system
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Manufacturer Declarations
Warranty The original Sennheiser product you have purchased is covered by a warranty of 24 months. The warranty period begins on the date of purchase of brand new, unused products by the first end user. Please retain your sales receipt (or your warranty certificate) as proof of purchase. Unless you submit proof of purchase, which will be verified by your local Sennheiser service partner, you will be obliged to pay for any repairs that are carried out. Proof of purchase must state the date of purchase and name of the product. We shall satisfy our warranty obligations by remedying any material or manufacturing faults free of charge at our discretion either by repair or by exchanging individual parts or the entire appliance. Any defective parts removed from a product during the course of a warranty claim shall become the property of Sennheiser electronic GmbH & Co. KG. The following cases are not covered by the above warranty: minor faults or deviations in the quality of a product which do not affect the product's value or fitness for its intended purpose any accessories supplied with the product rechargeable and disposable batteries (these products have a shorter service life, the length of which also depends on the frequency of use) faults resulting from improper use (e.g. operating errors, mechanical damage, incorrect operating voltage) Proper use for the purposes of this warranty is defined as use of the product under the conditions stated in the instructions for use. faults due to wear and tear any modification of Sennheiser products effected by you or a third party, unless Sennheiser has given its prior written consent to the nature and extent of the modification faults due to force majeure faults of which the purchaser was already aware at the time of purchase All warranty claims become void if the product is tampered with by unauthorised persons or repair shops. Warranty claims can be enforced in any country throughout the world in which the statutory rights of the country concerned are not in conflict with our warranty regulations. No other warranty claims or claims over and above the rights stated in these terms and conditions will be accepted. Consumers may be entitled to statutory rights in their own countries which are not restricted by these warranty terms and conditions, as the warranty is governed by the laws of the country in which the Sennheiser product was purchased by the consumer. The provisions of the UN Convention on the International Sale of Goods do not apply to this service. If you wish to file a claim under the warranty, please send the product to your local service partner, together with accessories and proof of purchase. An up-to-date list of all service partners of Sennheiser electronic GmbH & Co. KG worldwide are available on the internet at www.sennheiser.com. The customer bears the risk of shipment. To avoid any damage in transit, please use the original packaging if possible.

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CE Declaration of Conformity
This equipment is in compliance with the essential requirements and other relevant provisions of Directives 1999/5/EC, 2004/108/EU or 2006/95/EC. The declaration is available on the internet site at www.sennheiser.com. Before putting the equipment into operation, please observe the respective country-specific regulations! Batteries or rechargeable batteries The supplied batteries or rechargeable batteries can be recycled. Please dispose of them as special waste or return them to your specialist dealer. In order to protect the environment, only dispose of exhausted batteries.

WEEE Declaration

Your Sennheiser product was developed and manufactured with highquality materials and components which can be recycled and/or reused. This symbol indicates that electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime. Please dispose of this product by bringing it to your local collection point or recycling centre for such equipment. This will help to protect the environment in which we all live.
Statements regarding FCC and industry Canada
This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. This class B digital apparatus complies with the Canadian ICES-003 Changes or modifications made to this equipment not expressly approved by Sennheiser electronic Corp. may void the FCC authorization to operate this equipment.