Notice for customers: the following information is only applicable to equipment sold in countries applying EU directives.

Getting Started

Notes on playing multisession discs
The manufacturer of this product is Sony Corporation, 1-7-1 Konan Minato-ku, Tokyo, 108-0075 Japan. The Authorized Representative for EMC and product safety is Sony Deutschland GmbH, Hedelfinger Strasse 61, 70327 Stuttgart, Germany. For any service or guarantee matters, please refer to the addresses given in separate service or guarantee documents.
If the first session on the disc is a CD-DA session, the other sessions on the disc cannot be recognized regardless of the session format; only CD-DA tracks in the first session can be played back. If the session format for the first session is CD-ROM and the following sessions are recorded in the same format, the system will continue to play back MP3 files accordingly in multiple sessions until the system encounters another session recorded in a different format.

Playing the iPod/iPhone

1 Select the iPod function.
Press FUNCTION +/ repeatedly.
2 Place the iPod/iPhone. 3 Start playback.

Press .

Listening to the radio
To control the iPod/iPhone
To Pause playback Scroll up/down the iPod menus Select a track or chapter of audiobook/ podcast Choose the selected item Find a point in a track or chapter of audiobook/ podcast Return to the previous menu or select a menu Press /. /.

WARNING

To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
To reduce the risk of fire, do not cover the ventilation opening of the apparatus with newspapers, tablecloths, curtains, etc. Do not place the naked flame sources such as lighted candles on the apparatus. To reduce the risk of fire or electric shock, do not expose this apparatus to dripping or splashing, and do not place objects filled with liquids, such as vases, on the apparatus. Do not install the appliance in a confined space, such as a bookcase or built-in cabinet. As the main plug is used to disconnect the unit from the mains, connect the unit to an easily accessible AC outlet. Should you notice an abnormality in the unit, disconnect the main plug from the AC outlet immediately. Do not expose batteries or apparatus with batteryinstalled to excessive heat such as sunshine, fire or the like. The unit is not disconnected from the mains as long as it is connected to the AC outlet, even if the unit itself has been turned off.
Important Safety Instructions
1) 2) 3) 4) 5) 6) 7) Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this apparatus near water. Clean only with dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturers instructions. 8) Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9) Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10)Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11)Only use attachments/accessories specified by the manufacturer. 12)Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13)Unplug this apparatus during lightning storms or when unused for long periods of time. 14)Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

CAUTION

The use of optical instruments with this product will increase eye hazard.
Except for customers in the U.S.A. and Canada
This appliance is classified as a CLASS 1 LASER product. This marking is located on the rear exterior.
This symbol on the battery or on the packaging indicates that the battery provided with this product shall not be treated as household waste. On certain batteries this symbol might be used in combination with a chemical symbol. The chemical symbols for mercury (Hg) or lead (Pb) are added if the battery contains more than 0.0005% mercury or 0.004% lead. By ensuring these batteries are disposed of correctly, you will help prevent potentially negative consequences for the environment and human health which could otherwise be caused by inappropriate waste handling of the battery. The recycling of the materials will help to conserve natural resources. In case of products that for safety, performance or data integrity reasons require a permanent connection with an incorporated battery, this battery should be replaced by qualified service staff only. To ensure that the battery will be treated properly, hand over the product at end-of-life to the applicable collection point for the recycling of electrical and electronic equipment. For all other batteries, please view the section on how to remove the battery from the product safely. Hand the battery over to the applicable collection point for the recycling of waste batteries. For more detailed information about recycling of this product or battery, please contact your local Civic Office, your household waste disposal service or the shop where you purchased the product.
Disposal of waste batteries (applicable in the European Union and other European countries with separate collection systems)

Power

If TUNED does not light up and the scanning for an FM station does not stop, press to stop scanning, then perform manual tuning (below). When you tune in a DAB/DAB+ station or an FM station that provides RDS services, the service name or station name appears on the display.

To use the system as a battery charger
This manual mainly explains operations using the remote, but the same operations can also be performed using the buttons on the unit having the same or similar names.
Connect the power cord to a wall outlet. The demonstration appears in the display. When you press , the system turns on and the demonstration automatically ends. If the plug does not fit the wall outlet, detach the supplied plug adaptor (only for models equipped with an adaptor).
For manual tuning (FM band only)
Press TUNING MODE repeatedly until AUTO and PRESET disappear, and then press +/ repeatedly to tune in the desired station.
Notes on DAB/DAB+ stations
When tuning in a DAB/DAB+ station, it may take a few seconds before you hear any sound. Primary service is automatically received when secondary service ends. This tuner does not support data services.
You can use the system as a battery charger for the iPod/ iPhone when the system is on. The charging begins when the iPod/iPhone is placed on the iPod/iPhone connector. The charge status appears in the iPod/iPhone display. For details, see the users guide of your iPod/iPhone.
To stop charging the iPod/iPhone
Remove the iPod/iPhone. Turning off the system also stops charging the iPod/iPhone.
When placing or removing the iPod/iPhone, handle the iPod/iPhone in the same angle as that of the iPod/iPhone connector on the unit and do not twist or sway the iPod/iPhone to prevent connector damage. Do not carry the unit with an iPod/iPhone set on the connector. Doing so may cause a malfunction. When placing or removing the iPod/iPhone, brace the unit with one hand and take care not to press the controls of the iPod/iPhone by mistake. Before disconnecting the iPod/iPhone, pause playback. Hold down / to fast-forward (fast-rewind) while playing video if / does not function. When the iPhone is connected to the system and you receive a call during playback, playback will pause and you can take an incoming call. To change the volume level, use VOLUME +/. The volume level does not change even if adjusted on the iPod/iPhone. This system is designed for iPod/iPhone only. You cannot connect any other portable audio players. To use an iPod/iPhone, refer to the users guide of your iPod/iPhone. Sony cannot accept responsibility in the event that data recorded to iPod/iPhone is lost or damaged when using an iPod/iPhone with this unit.

To use the remote

DAB antenna (CMT-MX550i only)

To use the iPod/iPhone

Slide and remove the battery compartment lid, and insert the two supplied R6 (size AA) batteries, side first, matching the polarities shown below.

With a DAB external antenna (not supplied), you can obtain higher DAB/DAB+ broadcast sound quality. We recommend that you use the supplied FM/DAB lead antenna only temporarily until you install a DAB external antenna.

Speakers

Notes on using the remote
Open the panel where it says PULL OPEN , and insert a Dock Adapter into the Dock before use. When using an iPod model, use the Dock Adapter supplied with your iPod. When using an iPhone model, use the Dock Adapter supplied with the system. For details on the supplied Dock Adapters, refer to the instructions supplied with the Dock Adapters.
To reduce static noise on a weak FM stereo station, press FM MODE repeatedly until MONO appears to turn off stereo reception.
Running the DAB Automatic Scan manually
1 Press FUNCTION +/ repeatedly to select DAB. 2 Press TOOL MENU to start the DAB Automatic
Scan. Init Scan? and Push ENTER appear.
Connect the speaker cords to the SPEAKERS jacks on the unit.
With normal use, the batteries should last for about six months. Do not mix an old battery with a new one or mix different types of batteries. If you do not use the remote for a long period of time, remove the batteries to avoid damage from battery leakage and corrosion.
Except for North American model, connect the other end of the speaker cords to the terminals on the speakers as shown below.
Insert only the stripped portion of the speaker cords.

Dock Adapter

3 Press
When carrying this system

Use buttons on the unit.

iPod/iPhone Connector Red ()
to perform scanning. Scanning begins. The scanning progress is indicated by advancing squares ( ). Depending on the DAB/DAB+ services available in your area, scanning may take a few minutes.
1 Remove a disc to protect the CD mechanism. 2 Press FUNCTION repeatedly to select the CD

function.

To remove the Dock Adapter, pull it up with your fingernail or a flat object using the slot inside the adapter. To close the panel, slide the release lever to the UNLOCK position, and then close the panel. When scanning is complete, a list of available services is created.
If your country or region does not support DAB/DAB+ broadcast, NoService appears. This procedure clears all previously stored presets. Before unplugging the DAB/FM antenna, make sure the system is turned off to preserve your own DAB/DAB+ settings.
Playing a file of the USB device (except for North American model)
The audio format that can be played back on this system is MP3*/WMA*/AAC*. * Files with DRM (Digital Rights Management) copyright protection
cannot be played back on this system. Files downloaded from an online music store may not be played back on this system.
3 While holding down TOOL MENU , hold down

(power) until STANDBY appears.

Note on DualDiscs

4 After LOCK appears, unplug the power cord.
Notice for the customers in the U.S.A. and Canada
This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.
The following FCC statement applies only to the version of this model manufactured for sale in the U.S.A. Other versions may not comply with FCC technical regulations. NOTE:
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.
A DualDisc is a two sided disc product which mates DVD recorded material on one side with digital audio material on the other side. However, since the audio material side does not conform to the Compact Disc (CD) standard, playback on this product is not guaranteed.

To set the clock

1 Press to turn on the system. 2 Press TIMER MENU to select the clock set mode.
If PLAY SET? flashes, press / repeatedly to select CLOCK SET?, and then press (enter).

Operations

Playing a CD/MP3 disc
1 Select the CD function.

To change the play mode

Music discs encoded with copyright protection technologies

Press DISPLAY. The clock is displayed for about 8seconds.
To display the clock when the system is off
Note on shuffle play mode

Other operations

To Pause playback Press (pause). To resume play, press the button again. (stop).
When you turn off the system, the selected shuffle play mode (SHUF or SHUF) is cleared and the play mode returns to normal play mode ( ).
To Pause playback Press . To resume play, press the button again. . To resume play, press *. To cancel resume play, press again.
Reception of DAB/DAB+ radio station (CMT-MX550i only)
Notes on playing MP3 discs
You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment.
When you turn on the system for the first time after you purchase the system, DAB Automatic Scan starts automatically and creates a list of available services. During the DAB Automatic Scan, appears. Do not press any button on the unit or the remote during DAB Automatic Scan. Scanning is interrupted and service list may not be created properly. To run the DAB Automatic Scan manually, perform the procedure of Running the DAB Automatic Scan manually in Listening to the radio. If you have moved to another area, perform the DAB Automatic Scan manually and re-register the contents of broadcasts.
Stop playback Select a folder on an MP3 disc Select a track or file Find a point in a track or file Select Repeat Play
(select folder) +/ repeatedly. (go back)/ (go forward). Hold down (rewind)/ (fast forward) during playback, and release the button at the desired point. REPEAT repeatedly until REP or REP1 appears.
Do not save other types of tracks or files, or unnecessary folders on a disc that has MP3 files. Folders that have no MP3 files are skipped. MP3 files are played back in the order that they are recorded onto the disc. The system can only play MP3 files that have a file extension of.mp3. Even when file name has the.mp3 file extension, if the actual file differs, playing this file may generate a loud noise which could damage the speaker system and the system may malfunction. The maximum number of: olders is 255 (including the root folder). f P3 files is 511. M P3 files and folders that can be contained on a single disc is 512. M older levels (the tree structure of files) is 8. f Compatibility with all MP3 encoding/writing software, recording device, and recording media cannot be guaranteed. Incompatible MP3 discs may produce noise or interrupted audio or may not play at all.

To turn off the automatic standby function

On safety

iPod/iPhone section

2 Turn down the volume.

Press VOLUME .
The STANDBY indicator remains lit after unplugging the power cord.
This system is equipped with an automatic standby function. With this function, the system enters standby mode automatically in about 30 minutes when there is no operation or audio signal output. By default, the automatic standby function is turned on. Use buttons on the unit to turn off the automatic standby function. Hold down while the system is on, until AUTO STBY OFF appears. To turn on the function, repeat the procedure until AUTO STBY ON appears.
AUTO STBY appears in the display for 2 minutes before the system enters standby mode. e automatic standby function is invalid for the tuner function Th (FM/DAB), even when you have enabled it. e system may not enter standby mode automatically in the Th following cases; hile an audio signal is being detected. w uring playback of audio tracks or files. d hile the preset Play Timer or Sleep Timer is in process. w
3 Select the AUDIO IN function.
5 Use the same procedure as in step 4 to set the time

to stop playback.

1 Press FUNCTION repeatedly to select the USB

4 Start playback.

Start playback of the connected component and adjust the volume.
The system may enter standby mode automatically if the volume level of the connected component is too low. Adjust the components volume accordingly. See To turn off the automatic standby function.
6 Select the sound source.
Press / repeatedly until the desired sound. source appears, then press
The STANDBY indicator may not turn off immediately after unplugging the power cord. The indicator will turn off after about 40 seconds. This is not a malfunction.

Erroneous display

Completely disconnect the power cord (mains lead) from the wall outlet (mains) if it is not going to be used for an extended period of time. When unplugging the unit, always grip the plug. Never pull the cord itself. Should any solid object or liquid get into the system, unplug the system, and have it checked by qualified personnel before operating it again. The AC power cord can be changed only by a qualified service facility.
2 Connect the USB device to the (USB) port. 3 Press TOOL MENU , and then press ENTER. 4 Press / repeatedly to select a memory

Compatible iPod/iPhone models: iPod touch 2nd generation iPod touch 1st generation iPod classic 120 GB, 160 GB (2009) iPod classic 160 GB (2007) iPod classic 80 GB iPod nano 5th generation (video camera) iPod nano 4th generation (video) iPod nano 3rd generation (video) iPod nano 2nd generation (aluminum) iPod nano 1st generation iPod 5th generation (video) iPod 4th generation (color display) iPod 4th generation iPod mini iPhone iPhone 3G iPhone 3GS
USB section (except for North American model)
Supported bit rate: MP3 (MPEG 1 Audio Layer-3): 32 kbps 320 kbps, VBR WMA: 48 kbps 192 kbps, VBR AAC: 48 kbps 320 kbps Sampling frequencies: MP3 (MPEG 1 Audio Layer-3): 32/44.1/48 kHz WMA: 44.1 kHz AAC: 44.1 kHz (USB) port: Type A, maximum current 500 mA

Speaker

3 Press / repeatedly to select PLAY SEL?, and

To cancel the timer

Starting playback takes more time than usual.
EQ repeatedly to select BASS or TREBLE, and then press / to adjust the level.
Repeat the same procedure as above until TIMEROFF?. appears in step 3, and then press

To change the setting

Changing the display
To Change information on the display1) Change Display mode (see below.)

Start over from step 1.

The following discs can increase the time it takes to start playback; a disc recorded with a complicated tree structure. a disc recorded in multisession mode. a disc that has not been finalized (a disc to which data can be added). a disc that has many folders.
Turn off the system and reconnect the USB device, then turn on the system. Check the information on the websites about compatible USB devices with URLs listed under Playing a file of the USB device. Press to start playback.

On heat buildup

Heat buildup on the unit during operation is normal and is not cause for alarm. Do not touch the cabinet if it has been used continuously at a high volume because the cabinet may have become hot. Do not obstruct the ventilation holes.
Speaker system: 2 way speaker system, Bass reflex Speaker units: Woofer 100 mm, cone type Tweeter 40 mm, cone type Rated impedance: 6 ohms Dimensions (W/H/D): North American model: Approx. 140 mm 240 mm 200 mm Other models: Approx. 150 mm 240 mm 220 mm Mass: Approx. 2.0 kg net per speaker

General

Set the play mode to Normal Play mode.

On the speaker system

Notes for the iPod/iPhone user
Press DISPLAY repeatedly when the system is on.
ake sure the iPod/iPhone is not playing when using the Play M Timer. e Play Timer may not be activated depending on the status of the Th connected iPod/iPhone.

Cleaning the cabinet

Clean this system with a soft cloth slightly moistened with a mild detergent solution. Do not use any type of abrasive pads, scouring powder, or solvents, such as thinner, benzine, or alcohol.
Standby power consumption: 0.5 W Halogenated flame retardants are not used in the certain printed wiring boards.
The iPod/iPhone does not function.
2 Find your problem in the checklist below, and take
the indicated corrective action. If the issue persists, contact your nearest Sony dealer.
If the STANDBY indicator flashes
The system offers the following display modes.
Display mode Demonstration Power Saving Mode2) When the system is off1), The demonstration is turned on. The display is turned off to conserve power. The timer and clock continue to operate. The clock is displayed.
Creating your own program (Program Play)
Note that the USB features are not available for North American model.
Immediately unplug the power cord, and check the following items. Are the + and speaker cords short-circuited? Is anything blocking the ventilation holes of the system? Is the iPod/iPhone connector short-circuited? After the STANDBY indicator stops flashing, reconnect the power cord, and turn on the system. If the issue persists, contact your nearest Sony dealer.
Make sure the iPod/iPhone is connected securely. Make sure the iPod/iPhone is updated with the latest software. If not, update the iPod/iPhone before using with the system. Because the operation of the system and the iPod/ iPhone are different, you may not operate the iPod/ iPhone using buttons on the remote or unit. In this case, use the control buttons on the iPod/iPhone.
Severe hum or noise, or stations cannot be received. (TUNED or STEREO flashes on the display.)

Specifications

Main unit
AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: (The United States model only) With 6 ohm loads, both channels driven, from 120 10,000 Hz; rated 30 watts per channel minimum RMS power, with no more than 10% total harmonic distortion from 250 milliwatts to rated output.
The iPod/iPhone cannot be charged.
Make sure the iPod/iPhone is connected securely. You can use the system as a battery charger for iPod/ iPhone only when the system is on.
Connect the antenna properly. Find a location and an orientation that provide good reception, and then set up the antenna again. Keep the antennas away from the speaker cords and the power cord to avoid picking up noise. Turn off nearby electrical equipment.

Amplifier section

European model: DIN power output (rated): 25 watts + 25 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference): 30 watts + 30 watts (6 ohms at 1kHz, 10% THD) Music power output (reference): 30 watts + 30 watts (6 ohms at 1 kHz, 10% THD) Other models: DIN power output (rated): 25 watts + 25 watts (6 ohms at 1 kHz, DIN) Continuous RMS power output (reference): 30 watts + 30 watts (6 ohms at 1kHz, 10% THD)

Are the + and speaker cords short-circuited? Are you using only the supplied speakers? Is anything blocking the ventilation holes of the system? The specified station may have temporarily stopped broadcast.
A problem has been detected with the level of electrical current from the (USB) port. Turn off the system and remove the USB device from the (USB) port. Make sure there is no problem with the USB device. If this display pattern persists, contact your nearest Sony dealer.
to display the clock, and then press while holding down + , until CD POWER OFF appears. With CD player power turned off, access time is increased. To turn on CD player power, repeat the procedure until CD POWER ON appears.
To reset the system to factory settings
CD-ROM CD-R/CD-RW other than those recorded in music CD format or MP3 format conforming to ISO9660 Level 1/Level 2, Joliet CD-R/CD-RW recorded in multisession that have not ended by closing the session CD-R/CD-RW of poor recording quality, CD-R/CDRW that have scratches or are dirty, or CDR/CD-RW recorded with an incompatible recording device CD-R/CD-RW which is finalized incorrectly Discs containing files other than MPEG 1 Audio Layer3 (MP3) files Discs of non-standard shape (for example, heart, square, star) Discs that have adhesive tape, paper, or sticker attached to them Rental or used discs with attached seals where the glue extends beyond the seal Discs that have labels printed using ink that feels tacky when touched
System: Compact disc and digital audio system Laser Diode Properties Emission Duration: Continuous Laser Output*: Less than 44.6W *This output is the value measurement at a distance of 200mm from the objective lens surface on the Optical Pick-up Block with 7mm aperture. Frequency response: 20 Hz 20 kHz Signal-to-noise ratio: More than 90 dB Dynamic range: More than 90 dB

Tuner section

FM tuner section: FM stereo, FM superheterodyne tuner Tuning range: North American model: 87.5 MHz 108.0 MHz (100 kHz step) Other models: 87.5 MHz 108.0 MHz (50 kHz step) Antenna: FM lead antenna Antenna terminals: 75 ohms unbalanced Intermediate frequency: 10.7 MHz DAB/DAB+ tuner section (CMT-MX550i only): FM stereo, DAB/FM superheterodyne tuner Frequency range* Band-III: 174.928 (5A)MHz 239.200 (13F)MHz * For details, see DAB/DAB+ frequency table below. Antenna: DAB/FM lead antenna Antenna terminal: 75 ohms, F female DAB/DAB+ frequency table (Band-III) Frequency 174.928 MHz 176.640 MHz 178.352 MHz 180.064 MHz 181.936 MHz 183.648 MHz 185.360 MHz 187.072 MHz 188.928 MHz 190.640 MHz 192.352 MHz 194.064 MHz 195.936 MHz 197.648 MHz 199.360 MHz 201.072 MHz 202.928 MHz 204.640 MHz 206.352 MHz 208.064 MHz Label 5A 5B 5C 5D 6A 6B 6C 6D 7A 7B 7C 7D 8A 8B 8C 8D 9A 9B 9C 9D Frequency 209.936 MHz 211.648 MHz 213.360 MHz 215.072 MHz 216.928 MHz 218.640 MHz 220.352 MHz 222.064 MHz 223.936 MHz 225.648 MHz 227.360 MHz 229.072 MHz 230.784 MHz 232.496 MHz 234.208 MHz 235.776 MHz 237.488 MHz 239.200 MHz Label 10A 10B 10C 10D 11A 11B 11C 11D 12A 12B 12C 12D 13A 13B 13C 13D 13E 13F

Sound comes from one channel, or the left and right volumes are unbalanced.
Place the speakers as symmetrically as possible. Connect only the supplied speakers.
The USB device is not connected correctly. Turn off the system, then reconnect the USB device.
If the system still does not operate properly, reset the system to factory settings. Use buttons on the unit to reset the unit to its factory default settings.

Notes on discs

1 Disconnect and reconnect the power cord, and then

turn on the system.

To cancel Program Play

Sleep Timer:

Press PLAY MODE repeatedly until PGM disappears while the player is stopped.
To delete the last track or file of the program
Press CLEAR while the player is stopped.
You can fall asleep to music. This function works even if the clock is not set. Press SLEEP repeatedly. If you select AUTO, the system automatically turns off after the current disc or USB device stops, or within 100 minutes.
There is noise, skipping, or distorted sound.

Severe hum or noise.

To view program information
Press DISPLAY repeatedly.

Play Timer:

You can wake up to CD, FM reception, DAB/DAB+ reception (CMT-MX550i only), iPod/iPhone or USB device (except for North American model) at a preset time. Make sure you have set the clock.
Move the system away from sources of noise. Connect the system to a different wall outlet. Install a noise filter (available separately) to the power cord.
Turn off the system, then reconnect the USB device. The music data itself contains noise, or the sound is distorted. Noise may have been entered when creating music data due to the conditions of the computer. Create the music data again. The bit rate used when encoding the files was low. Send files encoded with higher bit rates to the USB device.
2 While holding down ENTER , hold down
until RESET appears. All user-configured settings, such as preset radio stations, timer, and the clock, are deleted.
Before playing, wipe the disc with a cleaning cloth from the center out to the edge. Do not clean discs with solvents, such as benzine, thinner, or commercially available cleaners or antistatic spray intended for vinyl LPs. Do not expose discs to direct sunlight or heat sources such as hot air ducts, nor leave it in a car parked in direct sunlight.

Prepare the sound source, and then press VOLUME +/ to adjust the volume. To start from a specific CD track or audio file, create your own program.
*Frequencies are displayed to two decimal places on this system.