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Transmitter Operation

Packet

(

1200/9600 bps FM

)

Operation

The

FT-818

is designed for operation on either 1200 bps or 9600 bps packet, and set-

up is similar to that described previously for SSB-based modes. A separate Data input
adjustment is provided, allowing you to optimize the deviation on the FM Packet modes

separately from the SSB-based Digital modes. The RX-Data output lines are fixed-level

outputs, not affected by the setting of the AF Gain control.
1. Connect your TNC to the

FT-818

’s rear-panel

DATA

jack, per the illustration. Note that

different connections are used for 1200 bps and 9600 bps Packet.

2. Use Menu #40 (PKT RATE) to select the desired Packet mode. Once you have entered

the Menu and have selected Menu #40, rotate the

knob to select either “1200” or

“9600” (bps) as the Packet rate.

3. Press the

key, as needed, to select the PKT mode (the “PKT”

icon will appear on the display).

4. You are now set up for reception on Packet. If you are operating on 1200 bps, try now

to connect to another station or node; you may well find that the drive level needs no

further adjustment.

If you are having trouble connecting due to insufficient or excessive drive from the TNC

to the

FT-818

, use Menu #39 (PKT MIC) to set the drive. Use your terminal software’s

“test” protocol to send out test tones, and adjust the deviation by rotating the

knob, which will vary the data input level to the

FT-818

’s modulator. Remember to press

and hold in the key for one second when adjustments are completed, so as to save
the new setting for Menu #39.

The 9600 bps Packet deviation setting is very critical to successful operation, and it

can only be accomplished using a calibrated deviation meter; the optimum setting

is usually ±2.75 kHz (±0.25 kHz). For 1200 bps, the optimum level is much less criti-

cal, with the optimum deviation being between ±2.5 kHz and ±3.5 kHz.

GND

KEY

DATA

ACC

ANT

INPUT DC13.8V

PTT

DATA IN

GND

DATA

OUT

DATA

PTT

DATA OUT

(1200bps)

OUT

(9600bps)

Pin Label

Note

DATA IN

Maximum Input Lebel:

40 mV pp @1200 bps

1.0 V pp @9600 bps

Impedance: 10 kΩ

PTT

Ground to Transmit

DATA OUT

9600 bps

Maximum Output Level:

500 mVpp

Impedance: 10kΩ

DATA OUT

1200 bps

Maximum Output Level:

300 mVpp

Impedance: 10kΩ

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Содержание FT-818ND

Страница 1: ...HF VHF UHF SSB CW AM FM ULTRA COMPACT TRANSCEIVER FT 818ND Operating Manual...

Страница 2: ...Electronic Keyer 29 FM Transmission 30 Basic Setup Operation 30 Repeater Operation 30 DCS Operation 32 ARTSTM Auto Range Transpond System Operation 33 CW Identifier Setup 33 Digital Mode Operation SS...

Страница 3: ...tion level Also include are a number of operating status icons as well as the function displays for the three operating function keys and Among the advanced features of the FT 818 are many incorporate...

Страница 4: ...When an alarm goes off with the external an tenna connected cut off the power supply to this radio immediately and disconnect the ex ternal antenna from this radio If not this may result in fire elect...

Страница 5: ...lectromagnetic radiation may have a negative effect on the human body Do not wipe the case using thinner and ben zene etc Please use a soft and dry piece of cloth to wipe away the stains on the case K...

Страница 6: ...Ni MH Battery Pack 9 6 V 1900 mAh PA 48B C U Battery Charger YF 122S Collins SSB Filter 2 3 kHz 4 7 kHz 6 dB 66 dB YF 122C Collins CW Filter 500 Hz 2 kHz 6 dB 60 dB YF 122CN Collins CW Filter 300 Hz 1...

Страница 7: ...onnect the shorter cap section to the screw post on the top of the main antenna shaft then screw the assembled YHA 63 onto the BNC connector twisting it 1 4 turn clockwise to secure the antenna For 50...

Страница 8: ...m the MIC jack Shoulder Strap Installation The convenient Shoulder Strap is designed for maximum comfort and security for your FT 818 transceiver Refer to the illustration and connect the shoulder str...

Страница 9: ...Important Notes When the transceiver is to be stored for a long period of time without use longer than ten days remove the batteries from the FBA 28 holder to avoid the pos sibility of battery leakin...

Страница 10: ...ON OFF POWER SUPPLY FP 1030A 6A 25A 10A FP 1030A Supplied DC Cable E DC 6 RED BLACK or WHITE BLACK BLACK GND KEY DATA ACC ANT INPUT DC13 8V INPUT DC13 8V FT 818 Notice Be extremely careful when makin...

Страница 11: ...s used connect ed via the supplied E DC 6 cable then you may operate the FT 818 while charging is in progress 1 Turn the FT 818 off then connect the supplied battery charger DC connector to the IN PUT...

Страница 12: ...noise when no signal is present In the other versions its default setting is set to Squelch LOCK Key Pressing this key locks the front panel keys so as to prevent accidental frequency change V M Key P...

Страница 13: ...e selec tions available are LSB USB CW CWR AM FM DIG PKT HOME Key Pressing this key momentarily recalls a favorite Home frequency memory SEL Knob This detented rotary switch is used for tuning memory...

Страница 14: ...tivate CTCSS or DCS operation Press and hold in the key for 1 2 second to recall Menu 48 for selecting the CTCSS tone frequency 5 SCN Press the key to initiate scanning in the direction of higher freq...

Страница 15: ...onic Keyer Press and hold in the key for 1 2 second to recall Menu 21 for setting the Keyer speed 11 CHG Press the key to initiate Battery Charging Press and hold in the key for 1 2 second to recall M...

Страница 16: ...aries according to the setting of the front panel s knob When you insert an earphone plug into this jack the SP PH slide switch located to the right side of this jack MUST BE set to the PH position to...

Страница 17: ...rom a Termi nal Node Controller TNC it also provides fixed level Re ceiver Audio Output Push To Talk PTT Squelch Status and ground lines ACC Jack This 8 pin mini DIN jack provides a closure to ground...

Страница 18: ...ode VFOa VFOb or Memory Channel Number To view the supply voltage at any time during operation 1 Press the key momentarily then rotate the knob to select Operating Function Row 11 CHG VLT DSP on the d...

Страница 19: ...Oa and VFOb are independent VFOs so they may be set to different bands See the Stacked VFO System discussion on page 19 for details Mode Selection Press either the or key to move among the eight setti...

Страница 20: ...our transceiver is configured for RF Gain use rotating this control fully clockwise in the SSB CW Digital modes will provide best sensi tivity To reduce the receiver s RF Gain somewhat rotate this con...

Страница 21: ...p 2 above it was mentioned that tuning in the AM FM PKT modes is accom plished using the knob By default the knob is disabled in these modes if you wish to enable the knob in these modes use Menu 04 s...

Страница 22: ...he key the memory channel number will be replaced by VFOa or VFOb The frequencies and operating mode for 5 MHz band opera tion are both fixed and may not be changed PSK Operation on 5 MHz Band 1 Press...

Страница 23: ...the receiving frequency is lower than transmit frequency the icon will appear at the right of the frequency display 4 When the receiving frequency is equal to transmit frequency Clarifier offset is ze...

Страница 24: ...Extended Menu This allows you to set up a higher or lower listening pitch if you prefer such as compared to the default passband response See page 62 Engaging of the IF Shift feature does not disable...

Страница 25: ...t preamplifier The u icon will ap pear at the right of the IPO indication 3 Press the IPO key once more to re activate the preamp On the bands below 14 MHz the input preamplifier is rarely necessary a...

Страница 26: ...o dial or key activity The available selections for the time before power off are 1 6 hours as well as APO Off The default condition for the APO is OFF and here is the procedure for activating it 1 Pr...

Страница 27: ...ain The TONE switch on the back of the MH 31A8J microphone provides adjustment of the microphone s frequency response Setting this switch to the 2 position will roll off some of the bass response resu...

Страница 28: ...Gain While still in Operating Row 10 VOX BK KYR press and hold in the VOX key for one second This is a hot key feature which will instantly recall Menu 51 VOX GAIN While speaking into the microphone r...

Страница 29: ...ate the knob to select a longer or shorter delay time default 250 ms This transceiver was not expressly designed for full QSK operation the minimum 10 ms setting of this Menu item CW DELAY will be ver...

Страница 30: ...lect a new pitch tone BFO offset The available offset range is 300 1000 Hz default value is 700 Hz When done press and hold in the key for one second to save the new setting and exit to normal operati...

Страница 31: ...racters per word Rotate the knob while sending to set the desired sending speed When done press and hold in the key for one second to save the new setting and exit to normal operation If you are alrea...

Страница 32: ...ain 5 The VOX feature is operational during FM transmission From Operating Function Row 10 VOX BK KYR press the VOX key to activate deactivate VOX Repeater Operation 1 Press the key momentarily then r...

Страница 33: ...simplex by pressing the RPT key and disable the CTCSS or DCS tone by pressing the TON key 11 On many transceiver versions the Automatic Repeater Shift ARS feature is enabled at the factory This featur...

Страница 34: ...ming signal 4 Press the TON key once to cancel DCS operation the icon will disap pear DSC Search Scanning In operating situations where you don t know the DCS code being used by anoth er station you c...

Страница 35: ...ate the begin ning of ARTS operation Every 25 seconds your radio will transmit a polling call to the other station When that station responds with its return ARTS polling signal your display will chan...

Страница 36: ...w setting and exit Use this technique to set up any digital mode RTTY Radio TeleType Operation The RTTY mode on the FT 818 is based on LSB side carrier injection in accordance with long standing amate...

Страница 37: ...indication should be observed If not rotate the knob to adjust the AFSK level Press and hold in the key for one second to save the new AFSK level setting and return to normal opera tion You are now r...

Страница 38: ...s passband response Once in the Menu mode rotate the knob to select Menu 27 DIG SHIFT and rotate the knob to set the desired BFO offset depending on how your TNC s tones are set up For typical high f...

Страница 39: ...e you may well find that the drive level needs no further adjustment 5 If you are having trouble connecting due to insufficient or excessive drive from the TNC to the FT 818 use Menu 39 PKT MIC to set...

Страница 40: ...ng situations requiring unique split frequency pairs The example below will describe a typical split frequency DX situation on the 20 meter band with a DX station transmitting on 14 025 MHz listening...

Страница 41: ...itoring of HF Weather Fax broadcasts is easily accomplished using the FT 818 1 Before proceeding be certain that the Weather Fax demodulator is properly connected to Pins 5 DATA OUT 1200bps and 2 GND...

Страница 42: ...r QMB Channel Recall 1 Press the key momentarily then rotate the knob as needed until Operating Function Row 3 STO RCL PMS appears on the display 2 Press the RCL key momentarily to recall the QMB memo...

Страница 43: ...his procedure may also be used for DX work on 7 MHz SSB etc 1 In the VFO mode set the desired Receive frequency and mode 2 Press the key momentarily then rotate the knob as needed until Operating Func...

Страница 44: ...as follows One touch of the key returns you to the original memory frequency A second touch of the key will cause you to exit the Memory mode and re turn to the VFO mode the memory channel number will...

Страница 45: ...pears on the display 3 Press the MW key momentarily to enter the Memory Check mode 4 Press and hold in the key for one second This stores the frequency data into the Home channel location As usual you...

Страница 46: ...kwise to move to the next char acter 6 Again rotate the knob to select the next number letter or symbol then rotate the knob clockwise to move to the next character s slot 7 Repeat step 6 as many time...

Страница 47: ...key for one second to enter the Menu mode 2 Rotate the knob to select Menu 43 SCOPE 3 Rotate the knob to select the desired sweep mode see above 4 When you have made your selection press and hold in t...

Страница 48: ...sh to begin the search the Smart SearchTM feature is available on the VFO mode only 3 Press the key momentarily then rotate the knob as needed until Operating Function Row 6 SSM SCH ART appears on the...

Страница 49: ...VFO or Memory PMS will be described later 3 Press the key momentarily then rotate the knob as needed until Operating Function Row SCN PRI DW 4 Press the SCN key momentarily to start upward scan toward...

Страница 50: ...skipped are not included in the scanning loop 6 Press the PTT switch to stop the scan you may now use the knob to step through the channels manually one at a time and you will observe that the Skipped...

Страница 51: ...0 MHz 2 Press the key momentarily then rotate the knob as needed until Operating Function Row 2 MW MC TAG appears on the display 3 Press the MW key momentarily then turn the knob to select memory chan...

Страница 52: ...ecked periodically on VFO B 2 Recall VFO A then rotate the control until the background noise is just si lenced 3 Press the key momentarily then rotate the knob as needed until Operating Function Row...

Страница 53: ...ress the key as necessary to enter the Memory mode then rotate the knob to select the emergency channel M EMG which is found between channels M PU and M 001 Note that the receive mode Clarifier functi...

Страница 54: ...n the 430 MHz band OFF ON 1 03 9600 MIC Adjust the audio input level from the TNC during 9600 bps Packet operation 0 100 50 04 AM FM DL Enabling disabling the knob on the AM and FM modes ENABLE DISABL...

Страница 55: ...ric Tags for the memory channels 36 MIC KEY Enable disable CW keying by the microphone s UP DWN keys OFF ON OFF 37 MIC SCAN Enable disable scanning access OFF ON ON 38 OP FILTER Enable the optional fi...

Страница 56: ...bling disabling the knob on the AM and FM modes Available Values ENABLE DISABLE Default DISABLE Menu Item 05 AM MIC Function Adjust the microphone gain level for the AM mode Available Values 0 100 Def...

Страница 57: ...p mode Available Values OFF ON AUTO Default AUTO OFF Disables the LCD lamp ON Illuminates the LCD lamp continuously AUTO Illuminates the LCD lamp for five seconds when any key is pressed Menu Item 11...

Страница 58: ...ble Values NORMAL REVERSE Default NORMAL NORMAL Keyer paddle polarity is normal The tip plug connection produces dots and the ring plug connection produces dashes REVERSE Keyer paddle polarity is inve...

Страница 59: ...tem 24 DIG DISP Function Define the displayed frequency offset during DIG USER L or USER U mode operation Available Values 3000 3000 Hz Default 0 Hz Menu Item 25 DIG MIC Function Adjust the audio inpu...

Страница 60: ...on of life or property Menu Item 29 FM MIC Function Adjust the microphone gain level for the FM mode Available Values 0 100 Default 50 Menu Item 30 FM STEP Function Select the tuning steps for the kno...

Страница 61: ...he memory channels Up to eight characters may be stored The storage procedure is as follows 1 Recall the memory channel on which you wish to append a label 2 Recall this Menu Item Menu 35 MEM TAG 3 Pr...

Страница 62: ...Available Values 1200 9600 bps Default 1200 bps Menu Item 41 RESUME Function Set the delay time for scanning resumption Available Values OFF 3 5 10 seconds Default 5 sec When this Menu Item set to OF...

Страница 63: ...ncy Hz 67 0 69 3 71 9 74 4 77 0 79 7 82 5 85 4 88 5 91 5 94 8 97 4 100 0 103 5 107 2 110 9 114 8 118 8 123 0 127 3 131 8 136 5 141 3 146 2 151 4 156 7 159 8 162 2 165 5 167 9 171 3 173 8 177 3 179 9 1...

Страница 64: ...on Set the Rx Carrier Point for LSB Available Values 300 300 Hz Default 0 Hz Menu Item 55 R USB CAR Function Set the Rx Carrier Point for USB Available Values 300 300 Hz Default 0 Hz Menu Item 56 T LS...

Страница 65: ...ress the key 4 Now on the source radio press the key Data will now be transferred to the Destination radio from the Source ra dio 5 If there is a problem during the cloning process Error will be displ...

Страница 66: ...n level converter allowing direct connection from the rear panel ACC jack to the serial port of your computer without the need for an external RS 232C level converter box Yaesu Musen does not produce...

Страница 67: ...ist of five bytes Accordingly any CAT control program must construct the five byte block by selecting the appropriate instruction opcode organizing the parameters as needed and providing un used dummy...

Страница 68: ...P4 F5 P1 00 OFFSET P1 00 OFFSET P3 P4 CLAR Frequency P3 P4 12 34 12 34 kHz VFO A B 81 Toggle SPLIT ON OFF CMD CMD 02 SPLIT ON CMD 82 SPLIT OFF Repeater Offset P1 09 P1 09 SHIFT P1 49 SHIFT P1 89 SIMP...

Страница 69: ...06 612 624 627 631 632 654 662 664 703 712 723 731 732 734 743 754 P1 P2 DCS Code P1 P2 00 23 023 Note 3 Read RX Status 7 6 5 4 3 2 1 0 S Meter Data Dummy Data Squelch Status 0 Squelch OFF Signal pres...

Страница 70: ...the top case disconnect the speaker s connector when you remove the top case 3 Refer to Figure 2 for the mounting locations for the optional filters Position the filter so that its connectors are ali...

Страница 71: ...Some menu mode items are not initialized unless turn the power switchoff and on after having performed Menu Mode Reset or All Reset Appendix BAND DATA FORMAT The FT 818 BAND DATA Format available on...

Страница 72: ...gative Ground Operating 8 0 16 0 V Negative Ground FBA 28 w 8 AA Alkaline Cells 12 0 V SBR 32MH Ni MH Battery Pack 9 6 V Current Consumption Squelched 250 mA Approx Receive 450 mA Transmit 2 4 A HF 14...

Страница 73: ...MHz 30 MHz 2 5 V 0 32 V 50 MHz 54 MHz 1 V 0 2 V 144 430 MHz 0 5 V 0 16 V IPO ATT off Image Rejection HF 50 MHz 70 dB 144 430 MHz 60 dB IF Rejection 60 dB Selectivity 6 60 dB SSB CW 2 2 kHz 4 5 kHz AM...

Страница 74: ...product to conform to such changes or improvements I YAESU MUSEN assumes no responsibility for any consequential damages caused by or arising out of any such defect in materials or workmanship J TO T...

Страница 75: ...ble d en compromettre le fonctionnement WARNING MODIFICATION OF THIS DEVICE TO RECEIVE CELLULAR RADIOTELEPHONE SERVICE SIGNALS IS PROHIBITED UNDER FCC RULES AND FEDERAL LAW DECLARATION BY MANUFACTURER...

Страница 76: ...roduced without the permission of YAESU MUSEN CO LTD YAESU MUSEN CO LTD Tennozu Parkside Building 2 5 8 Higashi Shinagawa Shinagawa ku Tokyo 140 0002 Japan YAESU USA 6125 Phyllis Drive Cypress CA 9063...

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