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FT-891 Advance Manual

RTTY (Radio Teletype) Operation

Example of Connecting RTTY Communications device

Connecting to the TU (Terminal Unit)

Connect the RTTY communications TU (Terminal Unit) to the rear panel RTTY/DATA
terminal. Be sure to read the instruction manual of the TU device before connecting it.

Adjust the RTTY data output level using Menu Mode “

10-08

[

RTTY OUT LEVEL

]”.

RTTY/DATA JACK

DATA IN

GND

DAKY

SHIFT

RTYO

BUSY

N.C.

GND

PTT

FSK OUT

AF IN

N.C.

DAKY

TYO

SHIFT

GND

Commercially available

USB Cable

To USB port

To LINE IN / MIC IN

RTYO

GND

Содержание FT-891

Страница 1: ...HF 50 MHz TRANSCEIVER FT 891 Advance Manual...

Страница 2: ...itted Bandwidth SSB Mode 41 Transmitter Convenience Features 42 Voice Memory SSB AM modes 42 Voice Memory Operation 42 VOX SSB AM FM Modes Automatic TX RX Switching using Voice Control 46 MONITOR SSB...

Страница 3: ...knob to engage the break in system 6 Press and hold the F key for one second to exit the CW SETTING list screen and resume normal operation 7 When the key is pressed the transmitter will automatically...

Страница 4: ...Keyer 8 Press and hold the F key for one second to exit the CW SETTING list screen and resume normal operation 9 When the keyer paddle is pressed the transmitter will automatically be engaged 10 When...

Страница 5: ...function assigned to the A B C keys in the FT 891 Operating Manual Full Break in QSK Operation As shipped from the factory the FT 891 TX RX system for CW is configured for Semi break in operation How...

Страница 6: ...4 5 Default 3 0 4 When the adjustment is satisfactory press the MULTI function knob 5 Press the F key to save the new setting and exit the Menu mode to normal operation Reversing the Keyer Polarity Fo...

Страница 7: ...r but dashes must be sent manually ELEKEY A A code elements Dot or Dash are automatically transmitted upon pressing ei ther side of the paddle Morse E T Morse E T ACS OFF ACS ON Inter character Spacin...

Страница 8: ...quency of the receiver passband may be adjusted to the preferred CW tone The pitch of the CW carrier offset may be varied between 300 Hz and 1050 Hz in 10 Hz steps 1 Press the F key repeatedly to find...

Страница 9: ...ormal operation r Auto Zeroing function may be assigned to the A B or C key Refer to Changing the function assigned to the A B C keys in the FT 891 Operating Manual Using the SPOT System 1 Press the F...

Страница 10: ...g Audio Peak Filter 1 Press the F key repeatedly to find the CW SETTING list screen 2 Rotate the MULTI function knob to select APF 3 Press the MULTI function knob then rotate it to set the APF action...

Страница 11: ...knob to select the CW Memory Register into which you wish to store the message for now we are just setting the message entry technique to Keyer entry 04 07 CW MEMORY 1 04 08 CW MEMORY 2 04 09 CW MEMOR...

Страница 12: ...he memory storage process and the REC icon will glow steadily 9 Send the desired message using the keyer paddle NOTE If you do not start keying within ten seconds the memory storage process will be ca...

Страница 13: ...the desired message using the keyer paddle NOTE If you do not start keying within ten seconds the memory storage pro cess will be canceled 7 Press the MEM key on the FH 2 once more at the end of your...

Страница 14: ...te the MULTI function knob to set the Monitor volume level 0 100 7 Press the MULTI function knob or the F key 8 Press the F key to find the REC SET TING list screen NOTE This screen may be enabled dis...

Страница 15: ...ON 5 Press the MULTI function knob the Monitor level pop up screen will appear 6 Rotate the MULTI function knob to set the Monitor volume level 0 100 7 Press the MULTI function knob or the F key 8 Pre...

Страница 16: ...lect a previously recorded CW memory CH1 CH5 5 Press the MULTI function knob the CW message programmed in the selected Mem ory Register will be transmitted on the air 6 Press and hold the F key for on...

Страница 17: ...s Text Memory Storage 1 Press and hold in the F key for one second to activate the Menu mode 2 First set the message entry method to Text Entry Rotate the MULTI function knob to select the CW Memory R...

Страница 18: ...will appear 7 Press the B EDT key The text input screen will appear 8 Rotate the MULTI function knob to select the letters numbers or symbols of the de sired label then press the MULTI function knob...

Страница 19: ...rs numbers or symbols of the de sired label then press the MULTI function knob 6 Press the MULTI function knob 7 Repeat step 5 and 6 to program the remaining letters numbers or symbols of the desired...

Страница 20: ...ate the MULTI function knob to set the Monitor volume level 0 100 7 Press the MULTI function knob or the F key 8 Press the F key repeatedly to find the REC SETTING list screen NOTE This screen may be...

Страница 21: ...lect MON 5 Press the MULTI function knob the Monitor level pop up screen will appear 6 Rotate the MULTI function knob to set the Monitor volume level 0 100 7 Press the MULTI function knob or the F key...

Страница 22: ...to select a previously recorded CW memory CH1 CH5 5 Press the MULTI function knob the CW message programmed in the selected Mem ory Register will be transmitted on the air 6 Press and hold the F key f...

Страница 23: ...enu mode and resume normal operation Decrementing the Contest Number Use this process if the current contest number gets slightly ahead of the actual contact number in case of a duplicate QSO for exam...

Страница 24: ...erval time to the de sired value 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operation To transmit the message using the FT 891 Di...

Страница 25: ...teps in the following order 5 kHz 6 25 kHz 10 kHz 12 5 kHz 15 kHz 20 kHz 25 kHz 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operat...

Страница 26: ...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 9 183 5 186 2 189 9 192 8 196 6 199 5 203 5 206 5 210 7 218 1 225 7 229 1 233 6 241 8 250 3 25...

Страница 27: ...e the new setting 7 Rotate the MULTI function knob to select TONE and then press the MULTI function knob 8 Rotate the MULTI function knob to select the desired CTCSS Tone to be used A total of 50 stan...

Страница 28: ...nd then press the MULTI function knob 8 Rotate the MULTI function knob to select the desired DCS Code to be used A total of 104 DCS codes are provided see the DCS Code Chart DCS Code 023 025 026 031 0...

Страница 29: ...or one second to exit the FUNCTION 2 list screen and resume normal operation r CONTOUR function may be assigned to the A B or C key Refer to Changing the function assigned to the A B C keys in the FT...

Страница 30: ...F WIDTH Operation to OFF 1 Press the F key repeatedly to find the FUNCTION 1 list screen 2 Rotate the MULTI function knob to select WDH and then press the MULTI function knob 3 Press and hold the F ke...

Страница 31: ...tivated to provide additional signal enhancement benefits on the net residual bandwidth Even more the IF NOTCH Filter described later may also be used in conjunction with these filter systems to signi...

Страница 32: ...repeatedly to find the FUNCTION 1 list screen 2 Rotate the MULTI function knob to select NCH then press the MULTI function knob 3 Press and hold the F key for one second to exit the FUNCTION 1 list s...

Страница 33: ...ress the F key repeatedly to find the FUNCTION 2 list screen 2 Rotate the MULTI function knob to select DNR 3 Press the MULTI function knob and then rotate it to choose one of 15 algorithms that best...

Страница 34: ...ress the F key repeatedly to find the FUNCTION 2 list screen 2 Rotate the MULTI function knob to select DNF 3 Press the MULTI function knob The Digital Notch Filter will turn on 4 Press and hold the F...

Страница 35: ...l of improved signal to noise ratio r The RF Gain control along with the IPO and the Attenuator features all affect the system receiver gain in different ways The IPO generally should be the first fea...

Страница 36: ...s in the FT 891 Operating Manual AGC Automatic Gain Control The AGC system is designed to help compensate for fading and other propagation effects The AGC characteristics can be individually set for e...

Страница 37: ...nt of the RX audio filter in the SSB mode 3 Press the MULTI function knob then rotate it to adjust the receiver audio response as desired 4 Press the MULTI function knob to save the new setting 5 Pres...

Страница 38: ...the audio quality using the menu settings 15 10 P EQ1 FREQ 15 13 P EQ2 FREQ 15 16 P EQ3 FREQ The result is improved intelligibility when conditions are difficult 1 Press the F key repeatedly to find...

Страница 39: ...t power to minimum value r We recommend that you connect a dummy load to one of the Antenna jacks and monitor your signal on a separate receiver to prevent interference to other users r You will have...

Страница 40: ...et the Parametric Microphone Equalizer to OFF 1 Press the F key repeatedly to find the FUNCTION 2 list screen 2 Rotate the MULTI function knob to select MEQ then press the MULTI function knob 3 Press...

Страница 41: ...to activate the Menu mode 2 Rotate the MULTI function knob to select Menu Mode 11 09 SSB TX BPF 3 Press the MULTI function knob and then rotate it to select the desired bandwidth The available selecti...

Страница 42: ...peatedly to find the REC SETTING list screen NOTE This screen may be enabled disabled via Menu Mode 05 11 REC SETTING 4 Rotate the MULTI function knob to select MEM 5 Press the MULTI function knob A b...

Страница 43: ...n the display 4 Press any of the FH 2 keys numbered 1 through 5 5 Press the microphone PTT switch momen tarily The REC icon will glow steadily and recording will begin 6 Speak into the microphone in a...

Страница 44: ...pear in the display and you will hear the contents of the Voice Memory you just recorded 4 Press and hold the F key for one second to exit the REC SETTING list screen and resume normal operation r The...

Страница 45: ...to exit the REC SETTING list screen and resume normal operation r The transmit audio level of the recording may be adjusted via Menu Mode 03 02 DVS TX OUT LVL Transmitting the Recorded Message with t...

Страница 46: ...second to exit the FUNCTION 1 list screen and resume normal operation r The VOX function may be assigned to the A B or C key Refer to Changing the function assigned to the A B C keys in the FT 891 Ope...

Страница 47: ...be engaged on either Voice modes SSB AM FM or on AFSK based Data modes Use Menu item 16 16 VOX SELECT the selections are MIC and DATA MONITOR SSB CW AM modes You may listen to the quality of your tra...

Страница 48: ...to set this Menu item to TX the default setting is RX 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operation 6 Press the CLAR key...

Страница 49: ...lit operation the VFO A register will be used for reception while the VFO B register will be used for transmission r During Split operation pressing the A B key will reverse the contents of VFO A and...

Страница 50: ...I function knob for one second to increment the Sub VFO B offset frequency another 5 kHz r SPL function may be assigned to the A B or C key Refer to Changing the function assigned to the A B C keys in...

Страница 51: ...he current VFO frequency into the selected memory by press the VuM key Memory Tune MT operation The frequency may be freely tuned off from any memory channel in Memory Tune mode this is similar to VFO...

Страница 52: ...gram the re maining letters numbers or symbols of the desired label 12 characters may be used in the creation of a label 8 When the label is completed press the C ENT key to exit the MEMORY CHANNEL ED...

Страница 53: ...to activate the Menu mode 2 Rotate the MULTI function knob to select Menu Mode 05 09 MEM GROUP 3 Press the MULTI function knob and then rotate it to set this Menu item to ENABLE the default setting i...

Страница 54: ...ORY CHANNEL list screen 2 Press the A GRP key then rotate it to se lect the desired memory group 3 Press the MULTI function knob to exit the MEMORY CHANNEL list screen and re turn to the Memory mode 4...

Страница 55: ...ress the MULTI function knob and then rotate it to set this Menu item to ENABLE the default setting is DISABLE 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Men...

Страница 56: ...hold in the F key for one second to activate the Menu mode 2 Rotate the MULTI function knob to select Menu Mode 05 16 MIC SCAN RESUME 3 Press the MULTI function knob and then rotate it to select the d...

Страница 57: ...rt scanning in the specified direction 6 To cancel scanning press the V M key 7 One more press of the V M key momentarily to display the MEMORY CHANNEL list screen r If the scanner halts on an incomin...

Страница 58: ...new setting 5 Press the F key to exit the Menu mode and resume normal operation TOT Time Out Timer The Time Out Timer TOT shuts off the transmitter after continuously transmitting for the programmed t...

Страница 59: ...Default OFF 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operation FAN Control The cooling fan can be set to operate for two differ...

Страница 60: ...lt OFF 4 Press the MULTI function knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operation POP UP Menu Set the position Lower or Upper of the pop up window on t...

Страница 61: ...ion knob to save the new setting 5 Press the F key to exit the Menu mode and resume normal operation TX BUSY Indicator Dimmer The TX BUSY indicator illumination level may also be adjusted using the Me...

Страница 62: ...erminal Unit to the rear panel RTTY DATA terminal Be sure to read the instruction manual of the TU device before connecting it r Adjust the RTTY data output level using Menu Mode 10 08 RTTY OUT LEVEL...

Страница 63: ...screen will appear in the display 3 Rotate the DIAL knob to select the RTTY mode 4 Press and hold in the F key for one second to activate the Menu mode 5 Rotate the MULTI function knob to select Menu...

Страница 64: ...A IN GND DAKY SHIFT RTYO BUSY DATA OUT GND PACKET PTT N C DATA IN N C Interface device commercially available DAKY RTYO DATA IN GND To LINE IN MIC IN LINE OUT MIC OUT COM port etc Commercially availab...

Страница 65: ...9 Rotate the MULTI function knob to select Menu Mode 11 08 SSB PTT SELECT 10 Press the MULTI function knob and then rotate it to set this Menu item to RTS 11 Press the MULTI function knob to save the...

Страница 66: ...llowing general information is common to most software application setup COM PORT Settings To start set the Com Port setting to the Enhanced Driver If there is a problem switch to the Standard Driver...

Страница 67: ...find Menu Mode 08 01 08 02 08 09 or 08 10 8 Press the MULTI function knob and then rotate it to set these Menu item as shown below Menu Function Setting 08 01 DATA MODE PSK 08 02 PSK TONE Adjust for d...

Страница 68: ...available on the in ternet Each of these programs will have their own Setup instructions The following general information is common to most software application setup COM PORT Settings To start set...

Страница 69: ...e Values Default AGC 01 01 AGC FAST DELAY 20 4000 msec 300msec 01 02 AGC MID DELAY 20 4000 msec 700msec 01 03 AGC SLOW DELAY 20 4000 msec 3000msec DISPLAY 02 01 LCD CONTRAST 1 15 8 02 02 DIMMER BACKLI...

Страница 70: ...10 12 h OFF 05 20 FAN CONTROL NORMAL CONTEST NORMAL MODE AM 06 01 AM LCUT FREQ OFF 100 1000 Hz OFF 06 02 AM LCUT SLOPE 6 18 dB oct 6dB oct 06 03 AM HCUT FREQ 700 4000 Hz OFF OFF 06 04 AM HCUT SLOPE 6...

Страница 71: ...Y HCUT FREQ 700 4000 Hz OFF 3000Hz 10 04 RTTY HCUT SLOPE 6 18 dB oct 18dB oct 10 05 RTTY SHIFT PORT SHIFT DTR RTS SHIFT 10 06 RTTY POLARITY R NOR REV NOR 10 07 RTTY POLARITY T NOR REV NOR 10 08 RTTY O...

Страница 72: ...100 700 200 15 11 P EQ1 LEVEL 20 0 10 0 15 12 P EQ1 BWTH 1 10 2 15 13 P EQ2 FREQ OFF 700 1500 800 15 14 P EQ2 LEVEL 20 0 10 0 15 15 P EQ2 BWTH 1 10 1 15 16 P EQ3 FREQ OFF 1500 3200 2100 15 17 P EQ3 LE...

Страница 73: ...0msec 20msec step Default 700msec Description Sets the AGC voltage decay characteristics in 20 msec steps after the input signal level becomes lower than the AGC detection level and the HOLD time is o...

Страница 74: ...e brighter the illumination becomes 02 05 PEAK HOLD Function Sets the meter peak hold Available Values OFF 0 5 1 0 2 0 sec Default OFF Description Sets the time length the maximum value reading is sho...

Страница 75: ...ng both sides of the paddle transmits the currently generated Dash followed by the Dot or reverse order ELEKEY Y Pressing both sides of the paddle transmits the currently generated Dash followed by th...

Страница 76: ...One U for Two N for Nine and O for Zero AUNT Abbreviates to A for One U for Two N for Nine and T for Zero A2NO Abbreviates to A for One N for Nine and O for Zero Does not abbreviate number Two A2NT A...

Страница 77: ...unction knob to enter text see page 17 MESSAGE Use the keyer to register text to the contest memory keyer see page 11 04 10 CW MEMORY 4 Function Selects the registration method for the contest memory...

Страница 78: ...noise caused by automotive ignition systems The higher the setting the higher the noise blanker level becomes 05 04 BEEP LEVEL Function Sets the beep level Available Values 0 100 Default 30 Descripti...

Страница 79: ...ble Values ENABLE DISABLE Default DISABLE 05 11 REC SETTING Function Sets the REC SETTING screen Available Values ENABLE DISABLE Default DISABLE 05 12 ATAS SETTING Function Sets the ATAS SETTING scree...

Страница 80: ...ld until the signal disappears TIME If the signal does not disappear within five seconds the scanner will resume scanning for the next active channel frequency If there is no signal the scanner contin...

Страница 81: ...ption Selects the slope of the low frequency cut off audio filter in AM mode 06 03 AM HCUT FREQ Function Sets the high frequency cutoff audio filter in AM mode Available Values 700 4000 Hz OFF Default...

Страница 82: ...Default 250Hz Description This is the low frequency cutoff audio filter in CW mode The cutoff frequen cy can be set at 50 Hz increments between 100 Hz and 1000 Hz 07 02 CW LCUT SLOPE Function Sets the...

Страница 83: ...B side AUTO Injects the CW carrier oscillator on the LSB side while operating on the 7 MHz band and below and the USB side while operating on the 10 MHz band and up 07 08 CW BK IN TYPE Function Sets t...

Страница 84: ...d when CW BFO is set to LSB the displayed frequency will be decreased with pitch offset added 07 12 PC KEYING Function Sets the RTTY DATA jack for keying Available Values OFF DAKY RTS DTR Default OFF...

Страница 85: ...TA LCUT FREQ Function Sets the low frequency cutoff audio filter in DATA mode Available Values OFF 100 1000 Hz Default 300Hz Description This is the low frequency cutoff audio filter in DATA mode The...

Страница 86: ...ilable Values DAKY RTS DTR Default DAKY Description Selects the PTT control method during the sending receiving of data DAKY Controls the transmit from the RTTY DATA jack pin 3 on the rear panel DTR C...

Страница 87: ...Function Sets the PTT control for the FM signal Available Values DAKY RTS DTR Default DAKY Description Selects the PTT control method for the FM signal DAKY Controls the transmit from the RTTY DATA j...

Страница 88: ...TY mode The cutoff frequency can be set at 50 Hz increments between 100 Hz and 1000 Hz 10 02 RTTY LCUT SLOPE Function Sets the slope of the low frequency cutoff audio filter in RTTY mode Available Val...

Страница 89: ...RITY T Function Sets the shift direction for transmitting in RTTY mode Available Values NOR REV Default NOR Description Sets the shift direction for transmitting in RTTY mode NOR The space frequency w...

Страница 90: ...he slope setting of the low frequency cutoff audio filter in SSB mode 11 03 SSB HCUT FREQ Function Sets the high frequency cutoff audio filter in SSB mode Available Values 700 4000 Hz OFF Default 3000...

Страница 91: ...ransmit control method for the SSB signal DAKY Controls the transmit signal from the RTTY DATA jack pin 3 on the rear panel DTR Controls the transmit signal from the USB virtual COM DTR ports RTS Cont...

Страница 92: ...tenuation bandwidth characteristic setting of the DSP IF notch filter to NARROW or WIDE 13 01 SCP START CYCLE Function Selects the sweep interval of the Spectrum Scope feature Available Values OFF 3 5...

Страница 93: ...Default 2 5kHz 14 07 FM CH STEP Function Selects the tuning steps for the MULTI function knob and the microphone s UP DWN keys in the FM mode Available Values 5 6 25 10 12 5 15 20 25 kHz Default 5kHz...

Страница 94: ...VEL Function Sets the gain for the middle range of the 3 band parametric microphone equalizer Available Values 20 0 10 Default 5 Description Selects the gain setting for the middle range of the 3 band...

Страница 95: ...is activated Available Values OFF 100 700 Default 200 Description Activates when the speech processor is ON Adjusts the center frequency for the low range of the 3 band parametric microphone equalizer...

Страница 96: ...f the 3 band parametric microphone equalizer when the speech processor is activated Available Values 1 10 Default 1 Description Activates when the speech processor is ON and selects the width Q settin...

Страница 97: ...AM on HF band Available Values 5 40 Default 25 16 03 HF PWR Function Sets the transmit RF power output of the HF band Available Values 5 100 Default 100 Description Adjusts the setting of the HF bands...

Страница 98: ...t 50 16 11 SSB DATA GAIN Function Sets the level of the AM signal input when 11 05 SSB MIC SELECT is set to REAR Available Values 0 100 Default 50 16 12 AM DATA GAIN Function Sets the level of the AM...

Страница 99: ...elects the function of the VOX operation Available Values MIC DATA Default MIC Description Selects the function of the VOX operation MIC Operates via input from the MIC jack microphone DATA Operates v...

Страница 100: ...he sending receiving of data PSK31 RTTY etc Available Values 30 3000 msec Default 100msec 16 22 ANTI DVOX GAIN Function Sets the data VOX ant trip Available Values 0 100 Default 0 Description The sens...

Страница 101: ...ocedure to reset clear the previously stored Memory channels without affecting any configuration changes you may have made to the Menu settings FUNC Use this procedure to restore Menu and Programmable...

Страница 102: ...oved in 2 different directions right left Usually these buttons are used for tuning the VFO frequency Press the p q buttons to change the frequency in the same increments as the microphone UP DWN swit...

Страница 103: ...he microphone 5 cm away from your mouth PTT Switch Switches transmit receive Press to transmit and release to re ceive DTMF keypad Press a key button while holding the PTT switch to transmit a DTMF to...

Страница 104: ...91 Transceiver CONTROL ANT ANT TUN LIN TRX Control Cable FT 891 FC 50 To HF 50 MHz Antenna Coaxial Cable Setup the FT 891 Before operation can begin the FT 891 microprocessor must be setup to accommod...

Страница 105: ...press the MULTI func tion knob 3 Press and hold the F key for one second to exit the FUNCTION 1 list screen and resume normal operation r Antenna Tuner function may be assigned to the A B or C key Re...

Страница 106: ...tch a wide variety of antennas to within a 2 1 SWR on any amateur band frequency 160 through 6 meters typically in less than eight seconds Transmitter power required for matching may be as little as 4...

Страница 107: ...eved You may Press the MULTI function knob while tuning is in prog ress to cancel the automatic tuning r To set the Antenna Tuner Function to OFF 1 Press the F key repeatedly to find the FUNCTION 1 li...

Страница 108: ...tions to FT 891 Connect ATAS 120A to the ANT terminal of FT 891 with a coaxial cable as shown in the diagram below r Turn off the external power supply switch and the FT 891 power supply switch first...

Страница 109: ...display Tuning Operation 1 Press the F key repeatedly to find the FUNCTION 1 list screen 2 Rotate the MULTI function knob to select TNR 3 Press the MULTI function knob to begin au tomatic tuning The t...

Страница 110: ...ophone to adjust the anten na until the meter indicates the minimum SWR Manual tuning from the FT 891 Control Panel 1 Press the F key repeatedly to find the ATAS SETTING list screen NOTE This screen m...

Страница 111: ...when your hands are wet r Set the Menu item 16 15 TUNER SELECT to LAMP r Since the ALC cable is connected to the REM ALC jack the optional FH 2 cannot be connected CT 58 ALC Cable Option CT 58 Band Da...

Страница 112: ...D DATA Operation 64 DATA PSK Operation 64 DCS Operation 28 Digital Noise Reduction 33 Digital NOTCH Filter 34 DNF 34 DNR 33 E Enhancing Transmit Signal Quality 38 F FAN Control 59 FC 40 106 FC 50 104...

Страница 113: ...tion 56 Scan Resume Options 56 Speech Processor 38 Split Frequency Operation 49 Quick Split Operation 50 Split Operation 48 SSB Transmitted Bandwidth 41 T Time Out Timer 58 Tone Squelch Operation 27 T...

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Yaesu FT-891, Руководство для продвинутых пользователей

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