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Yaesu FT-450

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RTTY (RADIO TELETYPE) OPERATION. 72
SETTING UP FOR RTTY OPERATION.. 72 BASIC SETUP... 72

PACKET OPERATION.. 73

(INCLUDING SUBCARRIER FREQUENCY). 73 BASIC SETUP... 73
MISCELLANEOUS AFSK-BASED DATA MODES.. 74 MENU MODE.. 76
USING THE MENU... 76 MENU MODE RESET.. 76

CLONING... 86

SPECIFICATIONS.. 98
Congratulations on the purchase of your Yaesu amateur transceiver! Whether this is your first rig, or if Yaesu equipment is already the backbone of your station, rest assured that your transceiver will provide many hours of operating pleasure for years to come.

GENERAL FEATURE

Super Compact HF Transceiver with IF-DSP ATU (automatic antenna tuner) can be installed in the radio (optional) A perfect performance on HF radio with easy operation is realized only by the FT-450, very small HF transceiver. HF + 50 MHz with 100 Watts output all mode operation Small, compact and light-weight HF radio, 9 (W) x 3.3 (H) x 8.5 (D) in, 7.9 lb 9-segment LCD frequency display with large characters provides more natural indication Black-Nega type LCD Built-in IF DSP unit which realize the following functions
Modulation and Demodulation CONTOUR MANUAL NOTCH DNR WIDTH (CW narrow 500 Hz operation available without any optional filters) Microphone equalizer built in Speech Processor DSP VOX operation Two Voice memory channels included Frequency read out function
TCXO built-in 500 memory channels IF SHIFT IPO 20 dB ATT built-in Clarifier Electronic keyer built-in Microphone and phone jacks on the front panel FSK-RTTY TX operation Long wire antenna can be used by the optional FC-40

FT-450 OPERATION MANUAL

Page 1

FRONT PANEL SWITCHES

ATT/IPO Switch
This button selects the ATT or IPO feature. Available selections are: ATT:OFF/IPO:OFF ATT:ON/IPO:OFF ATT:OFF/IPO:ON ATT:ON/IPO:ON ATT:OFF/IPO:OFF ATT: OFF, IPO: OFF Attenuator is OFF, and the RF preamplifier amplifies the incoming signal. ATT: ON, IPO: OFF The received signal is reduced by 20 dB, and the RF preamplifier amplifies the incoming signal. ATT: OFF, IPO: ON Attenuator is OFF, and the received signal bypasses the RF preamplifier, yielding a direct feed to the first mixer. ATT: ON, IPO: ON The received signal is reduced by 20 dB, and the incoming signal bypasses the RF preamplifier, yielding a direct feed to the first mixer. The selection will be indicated in the Block Diagram on the display.

Press this button to activate split frequency operation between VFO-A, used for reception and VFO-B, used for transmission (or vice versa). Press the [F] button followed by this button to enable setting of the frequency step with the [DSP/SEL] knob. When the selection is complete, press this key again.

PMS/SCAN Switch

Press this button to initiate the upward scanning of VFO frequencies or memory channels. Press the [F] button followed by this button to engage the Programmable Memory Scan, (PMS) which limits scanning within a particular frequency range.

C.S V/M VOX STO PMS SCAN

RCL STEP SPLIT AGC BAND BAND TUNE F

METER/DIM Switch

AF GAIN

SQL/RF GAIN A=B A/B

TUNE Switch
Press this button momentarily to toggle the ATU-450 Internal Automatic Antenna Tuner on/off. Press and hold in this button to begin the automatic Tuning.
Press this button to change the meter function in the transmit mode as follows. PO ALC SWR PO PO: Indicates the average power output level. ALC: Indicates the relative ALC voltage. SWR: Indicates the Standing Wave Ratio (Forward/Reflected). Press the [F] button followed by this button to enable adjustment of the display dimmer level by the [DSP/ SEL] knob. When the adjustment is complete, press this key again.

F Switch

Press this button to activate the alternate key functions of the six command buttons located on the upper right corner of the front panel. Press and hold this button for one second to engage the Menu mode.

Page 3

MIC Jack
This 8-pin jack accepts input from a supplied MH-67A8J Hand Microphone.
(viewed from front panel)

SHIFT Knob

This knob shifts the IF DSP passband to reduce an interfering signal which is inside the IF passband.

DSP/SEL Knob

This knob is used to select functions depending on the situation. Frequency Tuning Memory Channel Selection DSP Setting Menu Mode Selection

MODE /MODE

Switch
These buttons select the operating mode.

KEYER Switch

This button toggles the internal CW keyer on and off.

CLAR Switch

Pressing this button activates the Clarifier, to allow temporarily offsetting the receive frequency. When the Clarifier is active, you may offset the receive frequency by adjusting the [MAIN DIAL] knob.

Page 4

BAND /BAND Switch
These buttons select the operating band.

V/M VOX STO PMS SCAN

MODE SQL/RF GAIN A=B A/B AF GAIN
This knob sets the receivers audio volume level. Typically, you will operate with this control set between the 9 oclock and 10 oclock positions.

SQL/RF GAIN Knob

FULL RESET

Use this procedure to restore all Menu and Memory settings to their original factory defaults. All Memories will be cleared by this procedure. 1. Press and hold in the [POWER(ON/OFF)] switch for one second to turn the transceiver off. 2. Press and hold the [HOME/RCL] button. While holding it in, press and hold in the [POWER(ON/ OFF)] switch for one second to turn the transceiver on. Once the transceiver comes on, you may release the [HOME/RCL] button.

[HOME\RCL] button

Page 18

TUNING STEPS

The tuning step of the [MAIN DIAL] knob and the [DSP/SEL] knob is different depending on the operating mode.
OPERATING KNOB [MAIN DIAL] [DSP/SEL] 1 MODE LSB/USB 1/10/20 Hz 1.0/2.5/5.0 kHz CW 1/10/20 Hz 1.0/2.5/5.0 kHz AM 100/200 Hz 2 2.5/5.0/9.0/10/12.5/25 kHz FM 100/200 Hz 2 5.0/6.25/10/12.5/15/20/25/50 kHz DATA 10/20 Hz 1.0/2.5/5.0 kHz 1: When you press the [DSP/SEL] knob, the tuning step of the [DSP/SEL] knob changes to 100 kHz in all modes. 2: In the factory default, the [MAIN DIAL] knob does not tune the AM and FM modes. However, you may activate the [MAIN DIAL ] knob on the AM and FM mode via Menu Item A&FDIAL A&FDIAL. A&FDIAL [FAST] button

[MAIN DIAL] knob

Pressing the [FAST] button will increase or decrease the tuning rate of the [MAIN DIAL] knob by a factor of ten and also increase or decrease the tuning rate of the [DSP/SEL] knob by a factor of two.
CHANGE THE TUNING STEP OF THE [MAIN DIAL] KNOB
1. Set the operating mode by pressing the [MODE ]/[MODE ] button. 2. Press and hold the [F] button for one second to enter the Menu mode. The icon will appear on the display. 3. Rotate the [DSP/SEL] knob to select the menu item DIALSTP DIALSTP. DIALSTP 4. Press the [DSP/SEL] knob to enable adjustment icon will be blinkof this menu item. The ing. 5. Rotate the [DSP/SEL] knob to select the desired tuning step described above. (You may Press the [HOME/RCL] button to reset the tuning step to the factory default.) 6. Press the [DSP/SEL] knob. The icon is displayed continuously. 7. Press and hold the [F] button for one second to save the new setting and return to normal operation.
[DSP/SEL] button [HOME/RCL] button

]/[MODE

] button
CHANGE THE TUNING STEP OF THE [DSP/SEL] KNOB

1. Set the operating mode by pressing the [MODE ]/[MODE ] button. 2. Press the [F] button momentarily. 3. Press the [STEP/SPLIT] button. 4. Rotate the [DSP/SEL] knob to select the desired tuning step described above. 5. Press the [DSP/SEL] knob to save the new setting and return to normal operation.
[DSP/SEL] knob [STEP/SPLIT] button

Page 19

ABOUT THE [UP]/[DWN] BUTTONS OF THE OPTIONAL MH-31A8J AND MD-100A8X
The microphones [UP]/[DWN] buttons utilize the tuning steps of the [MAIN DIAL] knob on the SSB/ CW/DATA mode, and utilize the tuning steps of the [DSP/SEL] knob on the AM/FM mode. In the factory default, the microphones [FST] button does not activate. However, you may activate the microphones [FST] button via the Menu Item P M-FST P M-FST. NOTE: The microphone holder is affixed to the place where is contacted to the ground (for example, the chassis of your car), and the microphone is hooked on the microphone holder, the [FST] function becomes ON. We recommend that not to contact the microphone holder to the ground, nor set menu item P M-FST to N/A. P M-FST NA
[FST] Button [UP] Button [DWN] Button

DYNAMIC MICROPHONE MH-31

CLARIFIER
You may change the receiving frequency only without changing the transmit frequency. 1. Press the [CLAR] button to activate the clarifier. The icon will appear on the display. 2. Rotate the [MAIN DIAL] knob to tune the desired receive frequency. (Offset of up to 9.99 kHz may be set using the clarifier.) The offset frequency will appear at the bottom right corner of the display. 3. Press the [CLAR] button again to disable the clarifier. The icon will disappear from the display.

Clarifier Offset

[MAIN DIAL] knob [CLAR] button
NOTE: Even when the clarifier is disabled, the variance of the clarifier remains (both TX and RX frequencies). Press and hold in the [CLAR] button for one second to clear the clarifier offset, meaning the receiving frequency is equal to the transmit frequency. When the [MAIN DIAL] knob is rotated to change the frequency after disabling the clarifier, the clarifier offset becomes zero, meaning the receiving frequency is equal to the transmit frequency.
When the receiving frequency is higher than transmit frequency, + will be appended to the offset frequency. When the receiving frequency is lower than transmit frequency, will be appended to the offset frequency. You may assign the CLAR function to the [DSP/ SEL] knob via the Menu Item CLAR CLAR. CLAR

Page 20

DIGITAL VOICE ANNOUNCEMENT
Press the [F] button followed by the [VOICE/C.S] button to announce the current operating frequency (with resolution to the displayed 100 Hz digit) and operating mode. ADVICE: VOICE2 If you assign the VOICE2 function to the [VOICE/ VOICE2 C.S] button via the menu item PNL-C.S you may PNL-C.S, PNL-C.S confirm the current operating frequency (with resolution to the displayed 100 Hz digit), operating mode, and S-meter reading through the voice message announcement system by pressing the [VOICE/C.S] button. See page 16 for details of the [VOICE/C.S] button assignment.

NOTCH Indicator

The performance of the IF Notch filter is shown in Figure A, where the effect of rotation of the [DSP/SEL] knob is depicted. In Figure B, you can see the notching effect of the IF Notch filter as you rotate the [DSP/ SEL] knob to eliminate the incoming interference. A

QRM (Heterodyne)

Page 31
DNR (INTERFERENCE REJECTION SIGNALS WITHIN 3 KHZ)
The Digital Noise Reduction (DNR) system is designed to reduce the level of random noise found on the HF and 50 MHz bands, and it is especially effective during SSB operation. Any of eleven different noise-reduction algorithms can be selected. Each of these algorithms was created for dealing with a different noise profile, and you will want to experiment with the DNR system to find the best setting according to the noise currently being experienced. 1. Press the [DSP] button several times to set the > icon to the DNR indicator of the DSP Graphic DNR > DNR Display on the display. 2. Press the [DSP/SEL] knob to engage the Digital Noise Reduction system. 3. Rotate the [DSP/SEL] knob to select the setting that most effectively reduces the noise level. You may observe the effectiveness of the Digital Noise Reduction system in the DNR indicator DNR DNR of the DSP Graphic Display on the display. 4. To disable the Digital Noise Reduction system, press the [DSP/SEL] button again. The graph effectively disappears from the DNR indicator of DNR DNR the DSP Graphic Display on the display confirming that the Digital Noise Reduction system is no longer operating.

DNR Indicator

Page 32

RF GAIN

The RF Gain controls provide manual adjustment of the gain levels for the receiver RF and IF stages, to compensate for noise and/or signal strength conditions at the moment. The [SQL/RF GAIN] knob should, initially, be rotated to the fully clockwise position. This is the point of maximum sensitivity, and counter-clockwise rotation will gradually reduce the system gain. ADVICE: As the [SQL/RF GAIN] knob is rotated counterclockwise to reduce the gain, the S-meter reading will rise. This indicates that the AGC voltage being applied to the receiver is increasing (which causes a reduction in receiver gain). Rotating the [SQL/RF GAIN] knob control to the fully counter-clockwise position will essentially disable the receiver, as the gain will be greatly reduced. In this case, the S-meter will appear to be pegged. (That is a full-scale reading).

MONITORING

1. Press the [VOICE/C.S](MONITOR) button to activate the Monitor feature. During transmission, your transmitted voice is output from the speaker. 2. Rotate the [AF GAIN] knob to adjust the audio level from the monitor. 3. To disable the Monitor feature, press the [VOICE/ C.S](MONITOR) button again.

[AF GAIN] button

ADVICE: If you are using the speaker for monitoring, instead of headphones, excessive advancement of the [AF GAIN] knob can cause feedback to occur. Additionally, this feedback can cause the VOX system to hang up in a loop, making it impossible to return to receive. Therefore, we recommend the use of headphones, if at all possible, or the minimum usable setting of the [AF GAIN] knob, if the speaker must be used. Because the Monitor feature utilizes a sampling of the transmitters DSP signal, it can be very useful for checking the adjustment of the Speech Processor or Microphone Equalizer on SSB, and for checking the general signal quality on AM and FM.

Page 40

SPLIT-FREQUENCY OPERATION
A powerful capability of the FT-450 is its flexibility in Split Frequency operation, using VFO-A and VFO-B frequency registers. This makes the FT-450 especially useful for high-level DX-pedition use, as the Split operation capability is very advanced and easy to use. 1. Press the [A/B] button to switch the VFO register to VFO-A, then set the transmit frequency. 2. Press the [A/B] button again to switch the VFO register to VFO-B, then set the receive frequency. 3. Now press the [STEP/SPLIT] button to activate Split-Frequency Operation. 4. The icon will appear in the display. 5. To quit Split-Frequency Operation, press the [STEP/SPLIT] button again. ADVICE: It is possible to set different operating modes (for example, LSB and USB) on the two VFOs used during Split operation. It is possible to set different amateur bands (for example, 14 MHz and 21 MHz) on the two VFOs used during Split operation, if you use the multi band antenna.

[STEP/SPLIT] button

[A/B] button

QUICK SPLIT OPERATION

The Quick Split feature allows you to set a one-touch offset of +5 kHz to be applied to your radios transmit frequency compared to the receiving frequency. Furthermore, the transmit mode sets to the same mode as the receiving frequency register. 1. Press and hold in the [STEP/SPLIT] button for one second to engage the Quick Split feature. The transmit mode is set to the same mode as the receiver frequency register and applies a frequency 5 kHz above the receiving frequency register to the transmit frequency register. The icon will appear in the display. 2. Press and hold in the [STEP/SPLIT] button for two seconds to increment the transmit frequency +5 kHz. 3. To quit the Quick Split Operation, press the [STEP/SPLIT] button again.

Page 42

Page 43

CW MODE OPERATION

The powerful CW operating capabilities of the FT-450 include operation using both an electronic keyer paddle and a straight key or emulation thereof, as is provided by a computer-based keying device.
SETUP FOR STRAIGHT KEY (AND STRAIGHT KEY EMULATION) OPERATION
Before starting, connect your key to the front panel KEY jack in the status that turned off the [POWER(ON/ icon is not displayed) for now. OFF)] switch, and be sure the [KEYER] button is turned off (the 1. Press the [BAND ]/[BAND ] buttons to select the operating band. By pressing the [BAND ]/[BAND ] buttons, the operating band will change as follows. 21.50 1.8 3.5 7. [MODE ]/[MODE ] buttons to select 2. Press the the CW mode. 3. Rotate the [MAIN DIAL] knob to adjust the operating frequency. If you use the optional MH-31A8J or MD-100A8X, you may adjust the operating frequency by the [UP]/[DWN] buttons on the microphone. 4. Press the [F] button followed by the [VOX/STO] button to engage automatic activation of the transmitter when you close the CW key. The icon will appear in the display. 5. When you close your CW key, the transmitter will automatically be activated, and the CW carrier will be transmitted. When your release the key, transmission will cease after a brief delay. The delay time is user-programmable, per the discussion on page 48.
[MODE ]/[MODE ] button [VOX/STO] button [BAND ]/[BAND ] button
[MAIN DIAL] knob [KEYER] button

Page 44

USING THE BUILT-IN ELECTRONIC KEYER
Before starting, connect your keyer paddle to the front panel KEY jack in the status that turned off the [POWER(ON/OFF)] switch. 1. Press the [BAND ]/[BAND ] buttons to select the operating band. By pressing the [BAND ]/[BAND ] buttons, the operating band will change as follows. 21.50 1.8 3.5 7. 2. Press the [MODE ]/[MODE ] buttons to select the CW mode. 3. Rotate the [MAIN DIAL] knob to adjust the operating frequency. If you use the optional MH-31A8J or MD-100A8X, you may adjust the operating frequency by the [UP]/[DWN] buttons on the microphone. 4. Press the [F] button followed by the [VOX/STO] button to engage automatic activation of the transmitter when you close the CW key. The icon will appear in the display. 5. Press the [KEYER] button to activate the built-in icon will appear in Electronic Keyer. The the display. 6. When you press either the Dot or Dash side of your paddle, the transmitter will automatically be activated and the CW carrier will be transmitted. When your release the paddle, transmission will cease after a brief delay. The delay time is user-programmable, per the discussion on page 48.

You may select normal or reverse paddle polarity via Menu Item CW KEY The default setting is normal, CW KEY. whereby the Tip connection on the key plug is Dot and the Ring connection is Dash. To change the paddle polarity: 1. Press and hold the [F] button for one second to enter the Menu mode. The icon will appear on the display. 2. Rotate the [DSP/SEL] knob to select the menu item EXT MNU EXT MNU. 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. Rotate the [DSP/SEL] knob to select ON to exON ON pand the menu items. icon 5. Press the [DSP/SEL] knob. The returns to appear continuously. 6. Press and hold the [F] button for one second to save the new setting and return to normal operation. 7. Press and hold the [F] button for one second to enter the Menu mode again. The icon will appear on the display. 8. Rotate the [DSP/SEL] knob to select the menu item CW KEY CW KEY. 9. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking.
SELECTING THE KEYER PADDLES WIRING CONFIGURATION
10. Rotate the [DSP/SEL] knob to set the REV (deREV REV fault: NOR NOR). NOR (You may Press the [HOME/RCL] button to reset the paddle polarity to the factory default.) 11. Press the [DSP/SEL] knob. The icon returns to appear continuously. 12. Press and hold the [F] button for one second to save the new setting and return to normal operation.

Page 46

CW SPOTTING (ZERO-BEATING)
Spotting (zeroing in on another CW station) is a handy technique for ensuring that you and the other station are precisely on the same frequency.

TO USE CW SPOTTING:

In CW mode, while pressing and holding the [ATT/IPO] button, the Spot tone will be heard and Spot tone frequency will show in the display. This tone corresponds to the pitch of your transmitted signal, and if you adjust the receiver frequency to match the pitch of the received CW signal to that of the Spot tone, your transmitted signal will be precisely matched to that of the other station. Release the [ATT/IPO] button to turn the Spot tone off.

USING CW REVERSE

If you experience a difficult interference situation, where an interfering station cannot readily be eliminated, you may wish to try receiving using the opposite sideband. This may throw the interfering stations frequency in a direction that may lend itself more readily to rejection. 1. To start, lets use a typical example where you have set the CW mode (using the default USB injection: the and icon appear). 2. Press and hold in the [MODE ] or [MODE ] button for one second. The icon appears instead of , indicating that the LSB injection side has now been selected. 3. Press and hold in the [MODE ] or [MODE ] button, once again, for one second to return to the normal (USB) injection side and cancel CW Reverse operation (the and icons appear).
In the illustration, Figure A demonstrates the normal CW injection setup, using the USB side. In Figure B, CW Reverse has been engaged, so as to receive using LSB-side injection to eliminate interference. The beneficial effect of switching sidebands can clearly be seen in this example. A

Normal CW ( USB ) Carrier

RX Passband

CW Reverse ( LSB ) QRM

Carrier

Page 47

CW DELAY TIME SETTING

During semi-break-in (not QSK) operation, the hang time of the transmitter, after you have finished sending, may be adjusted to a comfortable value consistent with your sending speed. This is the functional equivalent to the VOX Delay adjustment used on voice modes, and the delay may be varied anywhere between 30 - 3000 millisecond (10 millisecond step) and FULL (Full Break-in operation). 1. Press and hold the [F] button for one second to enter the Menu mode. The icon will appear on the display. 2. Rotate the [DSP/SEL] knob to select the menu CW DLY. item CW DLY 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. Rotate the [DSP/SEL] knob to set the desired delay time. If the delay selection is set to FULL the transFULL, FULL ceiver operates in the full break-in mode (allowing you to hear between the characters that are being sent). (You may press the [HOME/RCL] button to reset the delay time to the factory default.)
CW SIDETONE VOLUME LEVEL SETTING
You may adjust the CW sidetone volume level via the Menu Item CWSTONE. 1. Press and hold the [F] button for one second to enter the Menu mode. The icon will appear on the display. 2. Rotate the [DSP/SEL] knob to select the menu item CWSTONE CWSTONE. CWSTONE 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. While pressing and holding the [METER/DIM] button, rotate the [DSP/SEL] knob to set the desired sidetone volume level (FIX 0 - FIX 100 100). FIX If you wish to adjust the CW sidetone level with the [AF GAIN] knob, press the [F] key to change the display to LNK-xx then rotate the [DSP/SEL] LNK-xx LNK-xx knob to set the volume ratio of the CW sidetone volume level for the receiving audio volume level. Available selections are LNK-50 ~ LNK 0 ~ LNK+50. LNK+50 When the LNK 0 is selected, the CW sidetone volume level becomes the same as receiving audio volume level. (You may press the [HOME/RCL] button to reset the CW sidetone level to the factory default.) 5. Press the [DSP/SEL] knob. The icon returns to appear continuously. 6. Press and hold the [F] button for one second to save the new setting and return to normal operation.
[F] button [METER/DIM] button

Page 48

CW PITCH ADJUSTMENT
You may adjust the center frequency of the receiver passband, as well as the pitch of your offset CW carrier via the Menu Item CWPITCH Available tone selections are 400 Hz through 800 Hz, in 100 Hz step. CWPITCH. CWPITCH 1. Press and hold the [F] button for one second to icon will apenter the Menu mode. The pear on the display. 2. Rotate the [DSP/SEL] knob to select the menu item CWPITCH CWPITCH. CWPITCH 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. While pressing and holding the [METER/DIM] button, rotate the [DSP/SEL] knob to set the desired pitch frequency. (You may press the [HOME/RCL] button to reset the pitch frequency to the factory default.) icon 5. Press the [DSP/SEL] knob. The returns to appear continuously. 6. Press and hold the [F] button for one second to save the new setting and return to normal operation.

Memory Group Assignment:

1. Press and hold the [F] button for one second to icon will apenter the Menu mode. The pear on the display. 2. Rotate the [DSP/SEL] knob to select the menu item EXT MNU. 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. Rotate the [DSP/SEL] knob to select ON to exON ON pand the menu items. icon re5. Press the [DSP/SEL] knob. The turns to appear continuously. 6. Press and hold the [F] button for one second to save the new setting and return to normal operation. 7. Press and hold the [F] button for one second to enter the Menu mode again. The icon will appear on the display. 8. Rotate the [DSP/SEL] knob to select the menu item MEM GRP MEM GRP. 9. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 10.Rotate the [DSP/SEL] knob to select ON ON. ON 11. Press the [DSP/SEL] knob. The icon returns to appear continuously. 12.Press and hold the [F] button for one second to save the new setting and return to normal operation. To cancel Memory Group operation, repeat above steps, choosing OFF in step 10. OFF OFF

[DSP/SEL] Knob

Memory Channel Number Group Memory OFF MEM-001 ~ MEM-050 MEM-051 ~ MEM-100 MEM-101 ~ MEM-150 MEM-151 ~ MEM-200 MEM-201 ~ MEM-250 MEM-251 ~ MEM-300 MEM-301 ~ MEM-350 MEM-351 ~ MEM-400 MEM-401 ~ MEM-450 MEM-450 ~ MEM-500 MEM-P1L ~ MEM-P2U MEM-EMG US5-001 ~ US5-005 Group Memory ON M-01-01 ~ M-01-50 M-02-01 ~ M-02-50 M-03-01 ~ M-03-50 M-04-01 ~ M-04-50 M-05-01 ~ M-05-50 M-06-01 ~ M-06-50 M-07-01 ~ M-07-50 M-08-01 ~ M-08-50 M-09-01 ~ M-09-50 M-10-01 ~ M-10-50 M-11-1L ~ M-11-2U M-12-EM M-13-01 ~ M-13-05

Page 57

REGULAR MEMORY OPERATION
The Regular Memory of the FT-450 allows storage and recall of up to 500 memories, each storing frequency, mode, and a wide variety of status information detailed previously. Memories may be organized into as many as ten Memory Groups, and additionally you get two pairs of band-limit (PMS) memories along with one QMB (Quick Memory Bank) memory and two Home channels.

Memory Storage

1. In the VFO mode, select the desired frequency, mode, and status the way you want to have it stored. 2. Press the [F] button followed by the [MW/V/M] button. The blinking current memory channel number will be shown on the display, and the contents of the current memory channel will be shown on the display. If there is no action by you within 10 second from releasing the [MW/V/M] button the Memory Storage procedure is canceled. The memory storage procedure is canceled unless you operate it within 10 seconds. 3. Rotate the [DSP/SEL] knob to select the memory channel in which you wish to store the data. If you have selected a channel on which data is already stored, that frequency will appear on the display. 4. Press the [MW/V/M] button momentarily to store the frequency and other data into the selected memory channel. A beep will confirm that you have held the [MW/V/M] button. You may over write new data into a channel on which data is already stored.

Page 63

SCANNING OPERATION
You may scan either the VFO or the memories of the FT-450, and the radio will halt the scan on any station with a signal strong enough to open the receivers squelch.

VFO AND MEMORY SCANNING

Preparation
When operating the Scanning feature, set the configuration of the [SQL/RF GAIN] knob to Squelch via the Menu Item SQL RFG SQL/RFG SQL RFG. 1. Press and hold the [F] button for one second to enter the Menu mode. The icon will appear on the display. 2. Rotate the [DSP/SEL] knob to select the menu item EXT MNU EXT MNU. 3. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 4. Rotate the [DSP/SEL] knob to select ON to exON ON pand the menu items. 5. Press the [DSP/SEL] knob. The icon returns to appear continuously. 6. Press and hold the [F] button for one second to save the new setting and return to normal operation. 7. Press and hold the [F] button for one second to icon enter the Menu mode again. The will appear on the display. 8. Rotate the [DSP/SEL] knob to select the menu item SQL RFG SQL/RFG SQL RFG. 9. Press the [DSP/SEL] knob to enable adjustment of this menu item. The icon will be blinking. 10.Rotate the [DSP/SEL] knob to select SQL to asSQL SQL sign the Squelch feature to the [SQL/RF GAIN] knob. 11. Press the [DSP/SEL] knob. The icon returns to appear continuously. 12.Press and hold the [F] button for one second to save the new setting and return to normal operation.

[SQL/RF GAIN] Knob

Page 64

VFO/Memory Scan

1. Rotate the [SQL/RF GAIN] knob just to the point where the noise is silenced and the indicator on the display turns off. 2. Press the [PMS/SCAN ] key to initiate upward scanning (toward higher frequencies or higher memory channel numbers). 3. If you want to change direction of the scan while it is underway, rotate the [MAIN DIAL] knob one click in the opposite direction (in this case, one click counter-clockwise). You will see the scanner reverse direction and scan down in frequency. You may change the direction of the scanner by pressing and holding the microphones [ UP ] / [DWN] key for one second, if you are using the optional MH-31 A8J Hand Microphone or MD100A8X Desktop Microphone. 4. In FM/AM mode, when the scanner encounters a signal strong enough to open the squelch, the scanner will halt for five seconds, after which scanning will resume. In the SSB/CW and SSB-based Data modes, when the scanner encounters a signal strong enough to open the squelch, the scanner will step across the signal very slowly, giving you time to stop the scan, if you like. 5. To stop the scanner, press the [PMS/SCAN] button or PTT switch. ADVICE: You may select the manner in which the scanner resumes while it has paused on a signal, using Menu SCN RES 5Sec Item SCN RES The default 5Sec setting will cause 5Sec the scanner to resume scanning after five seconds; you may change it, however, to resume only after the carrier has dropped out, if you like See page 83. During Memory Group operation, only the channels within the current Memory Group will be scanned.

CLAR (CLAR DIAL/SEL)
Function: Setting of CLAR switch Available Values: DIAL / SEL Default: DIAL Defines which Control knob is used for setting the clarifier-offset frequency.

CW KEY (CW KEY REV)

Function: Sets the keyer paddle's wiring configuration. Available Values: NOR / REV Default: NOR The polarity can be reversed in the menu without changing the connection of the keyer when there is a left-handed operator or, two or more people. NOR(NORMAL): Keyer paddle polarity is normal. The plug Tip connection produces dots, and the plug "ring" connection produces dashes. REV(REVERSE): Keyer paddle polarity is inverted. The plug Tip connection produces dashes, and the Ring connection produces dots.

CLK SFT (CLOCK SHIFT)

Function: Shifting of CPU clock frequency Available Values: ON / OFF Default: OFF This function is only used to move a spurious response birdie, should it fall on a desired frequency.

CONT (DISP CONTRAST)

Function: Display contrast adjustment Available Values: 1~24 Default: 24 The display contrast level is set 1-13

CW QSK

Function: Selects the time delay between when the key is closed and the carrier is transmitted during QSK operation when using the internal keyer. Available Values: 15 / 20 / 25 / 30 (ms) Default: 15 (ms) Note: If you select 25 ms or 30 ms, please do not attempt to set Menu CW SPEED to a speed faster than CW SPEED 50 wpm (250 cpm), as the delay will make it impossible to transmit.

CW AUTO (CW AUTO MODE)

Function: Enables the KEY jack, to permit CW operation while in SSB modes. Available Values: OFF / ON Default: OFF OFF: The KEY jack is enabled in CW mode only. ON: The KEY jack is enabled on all modes (SSB mode: A1A). Thus, on SSB, you can ask a station for a CW QSO without having to change your FT-450s Mode selection, if Menu CW CW AUTO AUTO is set to ON.

CW BFO

Function: Sets the CW carrier oscillator injection side in CW mode Available Values: USB / LSB / AUTO Default: USB USB: Injects the CW carrier oscillator on the USB side LSB: Injects the CW carrier oscillator on the LSB side AUTO: Injects the CW carrier oscillator on the LSB side while operating on the 7 MHz band and below, USB side while operating on the 10 MHz band and up.

MY MODE

Function: Setting of my mode Available Values: ON/OFF Default: ON The My Mode feature allows you to select an operating mode, and set whether or not the mode will be displayed or skipped when the [MODE ]/ [MODE ] buttons are pressed. This feature can be very useful in HF operation, when the AM/FM/DATA modes are not used. ON: Only the mode registered by turning on can be selected by pushing [MODE ] / [MODE ] switch. OFF: A mode that is turned off will not be appear when pressing the [ MODE ] / [ MODE ] switch. NOTE: The mode displayed on the display while setting My mode cannot be turned off.

MICGAIN

Function: Setting of the MIC gain Available Values: LOW / NOR / HIGH Default: NOR Adjusts the microphone gain level for SSB/AM/FM. LOW: When the microphone input is high the speech processor is turned off automatically. NOR: For normal voice the speech processor is turned on automatically. HIGH: When the microphone input is low the speech processor is turned on automatically.

MICSCAN (MIC AUTO SCAN)

Function: ON/OFF of microphone scanning function Available Values: ON/OFF Default: ON Enables/disables scanning access via the microphones [UP]/[DWN] keys. OFF: The frequency or the memory channel is scanned only while [UP]/[DWN] button is being pushed. The scanning stops when [UP]/ [DWN] button is released. ON: When [UP]/[DWN] button is held for about 1.0 second, the scanning continues even after the button is released.

P M-DWN (MIC-DWN PG)

Function: One of 52 functions can be preset and assigned to the [DWN] key of the microphone. Available Values: Please see page 16. Default: DOWN Presets of various functions can be assigned to the DOWN key of the microphone using this option.

P M-FST (MIC-FAST PG)

Function: One of 52 functions can be preset and assigned to the [FST] key of the microphone. Available Values: Please see page 16. Default: N/A Presets of various functions can be assigned to the [FST] key of the microphone using this option.

doc1

N2VZ Enterprises

Turbo Tuner

Fully automatic screwdriver antenna controller for:

Yaesu FT-450 / FT-950

Version R5
Operating and Installation Instructions
Operation and Installation Instructions N2VZ Enterprises Turbo Tuner Theory of Operation: The Turbo Tuner is designed to allow automatic Tuning and control of screwdriver antennas based on finding the minimum SWR for the current operating frequency. This is accomplished by using the Tune function of the radio to supply watts of power while the Turbo Tuner moves the screwdriver antenna in the correct direction based on the operating frequency and looks for the minimum SWR. Once the minimum SWR is found, the transceiver is placed back in receive mode automatically. INSTALLATION: Yaesu FT-450 / FT-950 setup:
Baud Rate Setting The baud rate setting on the radio is accomplished by menu item CATRATE and needs to be set to 19200. Menu Item CAT RTS needs to be set to DISABLE Turbo Tuner Setup: The next step is to set the dip switches to configure the Turbo Tuner to operate with your screwdriver antenna configuration. Access to the dip switches is accomplished by removing the 4 Phillips head screws located at the bottom of the Turbo Tuner enclosure. Once the 4 screws are removed, lift off the top cover and you will see the 8 position dip switch located on the printed circuit board next to the fuse. Dip Switch Settings: Antenna Direction This option sets the direction of travel for the antenna. This is normally set in the Normal position. If during the tuning cycle, the antenna does not move in the proper direction, change Dip SW-1 to the Reversed position. Antenna Stall Current For the LittleTarheel use 300 MA. For Tarheel Models 75 400, use 1000 MA. For Tarheel Models use 1500Ma. For High Sierra antennas with the Black Hawk motor set stall current to 750 MA. For Hi-Q remote tuned antennas use 1000 MA. SWR Threshold Keep this in the Normal position unless the controller has trouble finding a match on some bands. This option will allow the controller to accept a slightly higher SWR. With the option set to Alternate the controller will still search and find the lowest SWR.
Web:WWW.N2VZ.com Eml: Support@N2VZ.com

Page 2 of 4

Tel: 609-249-3875
Operation and Installation Instructions N2VZ Enterprises Turbo Tuner Factory Default Settings * Antenna Direction Antenna Stall Current Dip SW-1 = OFF Dip SW-1 = ON Dip Sw-2 = OFF Dip Sw-2 = OFF Dip Sw-2 = ON Dip Sw-2 = ON Dip Sw-2 = ON Dip SW-5 = OFF Dip SW-5 = ON Normal * Reversed 300 MA * 500 MA 750 MA 1000 MA 1500 MA Normal * Alternate
Dip SW-3 = OFF Dip SW-3 = ON Dip SW-3 = OFF Dip SW-3 = ON Dip SW-3 = ON
Dip SW-4 = OFF Dip SW-4 = OFF Dip SW-4 = OFF Dip SW-4 = OFF Dip SW-4 = ON

SWR Threshold

Once the Dip switches have been set correctly, place the top cover on the Turbo Tuner and make sure the Motor and Interface wires are positioned correctly in the enclosure cut outs before screwing the top cover into place. Connections: Connect the supplied DB-9 RS-232 cable from the Turbo Tuner to the CAT connector on the radio. Connect the interface cable from the Turbo Tuner to the TUNER connector located on the rear of the radio body. Connect the Motor wire from the Screwdriver antenna to the Motor connector on the Turbo Tuner. This completes the installation of the Turbo Tuner. OPERATION: Power On: The Turbo Tuner is powered by the radio and is powered on and off with the radios power button. When the radio is first powered up, the Turbo Tuner after initializing will sound a Morse code R to signify that it is ready. Tuning: To initiate tuning of the antenna, select a proper operating frequency and press the TUNE key on the front panel. (Note: This is a quick press and NOT a press and hold) This will place the radio in the Tune mode and you will see the screwdriver antenna start moving. Once the antenna is tuned and a proper match is found, the Turbo Tuner will sound a Morse code K and return the transceiver to receive mode. If the antenna can not be tuned and an acceptable match found after the screwdriver antenna makes two reversals looking for a match, the Turbo Tuner will sound a series of Morse code E and return the radio to receive mode. Web:WWW.N2VZ.com Eml: Support@N2VZ.com Page 3 of 4 Tel: 609-249-3875

Operation and Installation Instructions N2VZ Enterprises Turbo Tuner Parking: The Turbo Tuner also has a Park function that will automatically lower the screwdriver antenna to its minimum height. To initiate the Park function, press the Tune key just like initiating a tune cycle. Press the PTT button pm the microphone before the tune cycle completes and the Turbo Tuner will enter Park mode. Upon entering Park mode, the Turbo Tuner will sound a Morse code P; and once the screwdriver antenna is completely lowered, the Turbo Tune will sound another Morse code P to signify completion of the park cycle. Once Park mode is initiated, it can not be interrupted. TROUBLE SHOOTING: Antenna reverses before reaching end of travel while tuning: This is caused by the antenna stall current being set too low. Set the antenna stall current one setting higher via the dip switches. Turbo Tuner gives immediate tuning error when initiating a tune cycle: This is caused by the antenna stall current being set too low. Set the antenna stall current to the correct setting via the dip switches. Antenna stalls at end of travel and does not reverse while tuning: This is caused by the antenna stall current being set too high. Decrease the stall current by one setting via the Dip switches. When powering up the radio, the Turbo Tuner sounds a series of Morse code S: This error indicates a serial communication problem. Make sure the serial cable is connected between the Turbo Tuner and the radio. Also check that the CATRATE is set to 19200 When changing frequency, the antenna moves in the incorrect direction: This can be corrected without reversing the antenna motor wires by changing the position of Dip switch 1. Can not find a proper match on one or more bands: Manually check the antenna for an SWR of less than 2:1 on all bands of operation. If this is the problem check, the antenna installation. Changing Dip switch 4 to the alternate position will help the Turbo Tuner find a match if the antenna can not be tuned to better than 2:1 SWR. Turbo Tuner totally dead, no audio feed back, and tuning will not initiate: Check that the interface cable is connected to the TUNER Connector. Check the internal fuse in the Turbo Tuner which is a 20mm 2A fast blow.

Page 4 of 4

 

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