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Icom IC-756PRO III, Инструкция по эксплуатации, Страница: 6 / 84

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4

2

PANEL DESCRIPTION

NB

NR

BAL

NR

COMP

KEY SPEED BK-IN DELAY

LOCK

TX

RX

TWIN PBT

CW PITCH

F-1

F-2

F-3

F-4

F-5

SPEECH

LOCK

RIT/

TX

TX

RIT

CLEAR

SPLIT

MP-W

MP-R

DUAL

WATCH

VFO/

MEMO

MAIN/

SUB

CHANGE

1.8

1

3.5

2

7

3

10

4

14

5

18

6

21

7

24

8

28

9

GENE

•

50

0

F-INP

ENT

Y

Z

MW

M-CL

TS

XFC

EIVER

i756PRO

PBT CLR

NOTCH

NOTCH

SSB

CW/RTTY

AM/FM

FILTER

EXIT

@6

@7

@0

!9

!8

!7

@1

@4

@3

@2

@5

@8

@9

■

Front panel 

(continued)

!7

COMPRESSION LEVEL CONTROL [COMP]
(p. 37)
Adjusts the speech compression level in SSB.

!8

ELECTRONIC CW KEYER SPEED CONTROL
[KEY SPEED] (p. 42)
Adjusts the internal electronic CW keyer’s speed.

• 6 wpm (min.) to 60 wpm (max.) can be set.

!9

SEMI BREAK-IN DELAY CONTROL 
[BK-IN DELAY]
Adjusts the transmit-to-receive switching delay time
for CW semi break-in operation.

@0

MODE SWITCHES
Selects the desired mode. (p. 26)

• Announces the selected mode when an optional UT-102

is installed. (pgs. 71, 73)

➥

Selects USB and LSB mode alternately.

➥

Toggles SSB and SSB data mode (USB-
D, LSB-D) when pushed for 2 sec.

➥

Selects CW and RTTY mode alternately.

➥

Toggles CW and CW-R (CW reverse)
mode when pushed for 2 sec. in CW
mode.

➥

Toggles RTTY and RTTY-R (RTTY re-
verse) mode when pushed for 2 sec. in
RTTY mode.

➥

Selects AM and FM mode alternately.

➥

Toggles AM/FM and AM/FM data mode
(AM-D, FM-D) when pushed for 2 sec.

@1

LCD FUNCTION SWITCHES [F-1]–[F-5]
Push to select the function indicated in the LCD dis-
play above these switches.

• Functions vary depending on the operating condition.

@2

FILTER SWITCH [FILTER]

➥

Selects one of 3 IF filter settings.

➥

Enters the filter set mode when pushed for 2 sec.

@3

EXIT SWITCH [EXIT]
Exits from a set mode, etc. when pushed.

@4

SPEECH SWITCH [SPEECH] (pgs. 71, 73)
Announces the selected readout frequency when
an optional UT-102 is installed.

@5

TUNING DIAL (p. 24)
Changes the displayed frequency, selects set mode
items, etc.

@6

MAIN/SUB SWITCH [MAIN/SUB]
Selects the main or sub readout for access.

• The sub readout frequency is displayed in outline or

mesh font. The sub readout functions only during split
operation or dualwatch.

@7

VFO/MEMORY SWITCH [VFO/MEMO]

➥

Toggles the selected readout operating mode be-
tween the VFO mode and memory mode when
pushed. (pgs. 23, 50)

➥

Transfers the memory contents to VFO when
pushed for 2 sec. (p. 53)

AM/FM

CW/RTTY

CW/RTTY

SSB

BK-IN DELAY

Short delay for 
high speed keying
(2 dot)

Long delay for 
slow speed keying
(13 dot)

Slow

Fast

KEY SPEED

COMP

Compression 
level decreases

Compression 
level increases

Содержание IC-756PRO III

Страница 1: ...INSTRUCTION MANUAL HF 50 MHz ALL MODE TRANSCEIVER i756PRO ...

Страница 2: ...ion DO NOT operate the trans ceiver without running the vehicle s engine When transceiver power is ON and your vehicle s engine is OFF the vehicle s battery will soon become exhausted Make sure the transceiver power is OFF before start ing the vehicle This will avoid possible damage to the transceiver by ignition voltage spikes During maritime mobile operation keep the transceiver and microphone a...

Страница 3: ...ick split function 33 RIT and TX 34 Monitor function 35 VOX function 35 Meter function 36 SWR reading 36 Speech compressor 37 Digital voice recorder 38 RTTY decoder 41 RTTY tuning meter 41 Electronic CW keyer 42 Memory keyer 43 Spectrum scope screen 44 Automatic antenna selection 45 Dial lock function 45 Repeater operation 46 Tone squelch operation 47 Antenna tuner operation 48 Optional external t...

Страница 4: ...ode p 42 A straight key jack is separately available on the rear panel See KEY on p 12 Keyer polarity dot and dash can be reversed in keyer set mode p 42 4 channel memory keyer is available for your conve nience p 43 t MICROPHONE CONNECTOR MIC Accepts the supplied or optional microphone See p 81 for appropriate microphones See p 9 for microphone connector information y AF CONTROL AF inner control ...

Страница 5: ... OFF The noise blanker reduces pulse type noise such as that gen erated by automobile ignition systems This function cannot be used for FM or non pulse type noise 4 S RF METER p 36 Shows the signal strength while receiving Shows the relative output power SWR ALC or compres sion levels while transmitting 5 MONITOR SWITCH MONITOR p 35 Monitors your transmitted IF signal The CW sidetone functions whe...

Страница 6: ...and RTTY R RTTY re verse mode when pushed for 2 sec in RTTY mode Selects AM and FM mode alternately Toggles AM FM and AM FM data mode AM D FM D when pushed for 2 sec 1 LCD FUNCTION SWITCHES F 1 F 5 Push to select the function indicated in the LCD dis play above these switches Functions vary depending on the operating condition 2 FILTER SWITCH FILTER Selects one of 3 IF filter settings Enters the f...

Страница 7: ...tion and no tone operation when pushed in FM mode pgs 46 47 Enters the tone set mode when pushed for 2 sec in FM mode pgs 46 47 TONE TONE 1 4 1 4 OFF OFF COMP COMP OFF OFF WIDE WIDE RTTY RTTY FIL FIL OFF OFF BK IN BK IN OFF OFF VOX VOX OFF OFF 8 MAIN SUB CHANGE SWITCH CHANGE Toggles the frequency and selected memory channel between main and sub readouts when pushed Toggles between transmit frequen...

Страница 8: ... operating fre quency when pushed for 2 sec What is the TX function The TX shifts the transmit frequency without shifting the re ceive frequency This is useful for simple split frequency op eration in CW etc 2 CLEAR SWITCH CLEAR p 34 Clears the RIT TX shift frequency when pushed for 2 sec 3 CW PITCH CONTROL CW PITCH outer control p 29 Shifts the received CW audio pitch and monitored CW audio pitch...

Страница 9: ... expanded from 5 to 10 in set mode for your convenience p 71 0 KEYPAD Pushing a key selects the operating band GENE selects the general coverage band Pushing the same key 2 or 3 times calls up other stacked frequencies in the band p 24 Icom s triple band stacking register memorizes 3 fre quencies in each band After pushing F INP enters a keyed frequency or memory channel Pushing F INP ENT or Y Z i...

Страница 10: ...ed kHz steps 0 1 1 5 9 10 12 5 20 and 25 kHz quick tuning steps are available While the quick tuning step is OFF turns the 1 Hz step ON and OFF when pushed for 2 sec 1 Hz indications appear in both readouts and the fre quency can be changed in 1 Hz steps While the quick tuning step is ON enters the quick tuning step set mode when pushed for 2 sec 1 TRANSMIT FREQUENCY CHECK SWITCH XFC Monitors the ...

Страница 11: ...receive q w MICROPHONE CONNECTOR Front panel view HM 36 SCHEMATIC DIAGRAM CAUTION DO NOT short pin 2 to ground as this can damage the internal 8 V regulator q w e r t y u i 4700p 4700p 10µ 0 33µ MICROPHONE MIC ELEMENT 2k 470 DOWN UP PTT RECEIVE TRANSMIT MICROPHONE CABLE MICROPHONE PLUG y GND PTT ground t PTT r Main readout squelch switch q Microphone input w 8 V DC output e Frequency up down u GND...

Страница 12: ...K READOUT p 62 Shows the current time 0 RTTY TUNING INDICATOR p 41 Shows the tuning level in RTTY mode 1 QUICK TUNING INDICATOR p 25 Appears when the quick tuning step function is in use 2 PASSBAND WIDTH INDICATOR p 26 Graphically displays the passband width for twin PBT operation and center frequency for IF shift op eration 3 IF FILTER INDICATOR p 29 Shows the selected IF filter number 4 SHIFT FR...

Страница 13: ... S C A N E D G E P 2 P 2 2 9 9 9 9 9 9 2 9 9 9 9 9 9 U S B U S B F L 2 S C A N E D G E F L 2 S C A N E D G E 1 2 3 4 SET SET MODE MODE MENU MENU LEVEL LEVEL TX TX Tone Monitor Side Tone Monitor Side Tone Tone etc etc DISP DISP Bright Contrast Style Font Bright Contrast Style Font etc etc TIME TIME Clock Timer Clock Timer OTHERS OTHERS Other Other Set Set Mode Mode MEMORY KEYER MENU MEMORY KEYER ME...

Страница 14: ...t panel can be used for a straight key or external electronic keyer Deactivate the internal electronic keyer in keyer set mode p 42 If you use an external electronic keyer make sure the voltage retained by the keyer is less than 0 4 V when the key is ON u CI V REMOTE CONTROL JACK REMOTE p 16 Designed for use with a personal computer for re mote control of transceiver functions Used for transceive ...

Страница 15: ...level Approx 100 mV rms 5 AF AF detector output Fixed regardless of AF position in default settings see notes below Output impedance 4 7 kΩ Output level 100 to 300 mV rms 6 SQLS Squelch output Goes to ground when squelch opens Squelch open Less than 0 3 V 5 mA Squelch closed More than 6 0 V 100 µA 7 13 8 V 13 8 V output when power is ON Output current Max 1 A Connected in parallel with ACC 2 pin 7...

Страница 16: ...osion or electric shock Antenna connection For radio communications the antenna is of critical im portance along with output power and sensitivity Se lect antenna s such as a well matched 50 Ω antenna and feedline 1 5 1 or better of Voltage Standing Wave Ratio VSWR is recommended for your desired band Of course the transmission line should be a coaxial cable When using 1 antenna use the ANT1 conne...

Страница 17: ...Z MW M CL TS XFC HF 50MHz TRANSCEIVER i756PRO PBT CLR NOTCH NOTCH SSB CW RTTY AM FM FILTER EXIT CW KEY A straight key can be used when the internal electronic keyer is turned OFF in keyer set mode p 42 MICROPHONES p 81 SM 20 HM 36 GROUND p 14 Use the heaviest gauge wire or strap available and make the connection as short as possible Grounding prevents electrical shocks TVI and other problems ANTEN...

Страница 18: ...NSCEIVER i756PRO PBT CLR NOTCH NOTCH SSB CW RTTY AM FM FILTER EXIT HEADPHONES MIC The AFSK modulation signal can be input from MIC p 21 ANTENNA 1 2 pgs 18 20 Connects a linear amplifier antenna selector etc EXTERNAL SPEAKER p 81 ACC SOCKETS p 13 RX ANTENNA TRANSVERTER p 19 Connects a transverter for V UHF band use SP 20 AH 4 AH 3 p 20 AH 2b REMOTE pgs 12 72 Used for computer control and transceive...

Страница 19: ...is OFF Output voltage of the power source is 12 15 V when you use a non Icom power supply DC power cable polarity is correct Red positive terminal Black negative _ terminal CONNECTING A DC POWER SUPPLY to DC power socket A DC power supply AC outlet AC cable 30 A fuses Supplied DC power cable 13 8 V 25 A Black _ Red Transceiver CONNECTING A VEHICLE BATTERY 12 V battery Supplied DC power cable red _...

Страница 20: ...220 240 V European version 230 V Coaxial cable supplied with the IC PW1 Coaxial cable optional ACC cable supplied with the IC PW1 Be sure to connect the cable to the 7 pin ACC 2 jack Remote control cable supplied with the IC PW1 To an antenna EXCITER 1 1 2 CONNECTING THE IC 4KL Turn OFF the transceiver s antenna tuner while tuning the IC 4KL s tuner Transceiver Ground IC 4KL Remote controller Coax...

Страница 21: ...ng to the linear amplifier instruction manual The ALC input level must be in the range 0 V to 4 V and the trans ceiver does not accept positive voltage Non matched ALC and RF power settings could cause a fire or ruin the linear amplifier The specifications for the SEND relay are 16 V DC 2 A If this level is exceeded a large external relay must be used When 2 to 13 8 V is applied to pin 6 of ACC 2 ...

Страница 22: ...e CONNECTING THE IC AT500 THROUGH THE IC 2KL Transceiver Ground Coaxial cable supplied with the IC 2KL ACC cable supplied with the IC 2KL ACC cable supplied with the IC AT500 IC 2KL To the IC 2KLPS IC AT500 OPC 118 sold separately To an antenna ANT GND Coaxial cable supplied with the IC AT500 ACC 1 ACC 2 ANT1 The AH 4 and AH 3 must be connected to ANT1 The AH 3 can be used for the HF bands only al...

Страница 23: ...erminal Node Controller TNC or Scan converter MIC connector Front panel view 1 2 3 4 5 6 7 8 21 3 INSTALLATION AND CONNECTIONS FSK and AFSK SSTV connections To connect a terminal unit TNC or scan converter refer to the diagram below For RTTY operation Narrow filter settings may not pass RTTY signals Be sure to select the appropriate IF filter settings corresponding to the signal width p 29 FSK RTT...

Страница 24: ...gure below POWER M CL F INP METER Po ANT 1 ATT OFF P AMP 1 PBT CLR OFF NOTCH OFF LOCK OFF AGC MID 1 POWER OFF TUNER MONITOR NB NR OFF COMP 2 OFF WIDE 1 4 2 TONE 2 OFF VOX 2 BK IN 2 RTTY FIL 2 OFF AF Max CCW RF SQL 12 o clock RF POWER Max CW MIC GAIN 10 12 o clock BAL Center 1 FAST in FM mode 2 Appears in some modes Turn power ON then check the display If any of the following indicators appear turn...

Страница 25: ...uency and oper ating mode like a VFO Even if the frequency or mode is changed the memory channel does not memorize the new frequency or operating mode When the memory channel is selected from another memory channel or VFO mode the memorized fre quency and operating mode appear EXAMPLE ANT ANT 1 METER METER Po Po BW BW 2 4k 2 4k SFT SFT 0 VFO VFO FIL2 FIL2 USB USB qw pp TX TX 1 CW CW qr qwe pp 21 0...

Страница 26: ...pp pp 21 076 50 21 076 50 24 4 FREQUENCY SETTING The transceiver has a keypad for direct frequency entry as described below q Push F INP appears w Input the desired frequency Input decimal point between the MHz units and kHz units e Push F INP ENT to enter the input frequency To cancel the input push MAIN SUB instead of F INP ENT EXAMPLE F inp If the dial lock function is activated the lock indica...

Страница 27: ... FUNCTION AM FM only When selecting AM or FM the quick tuning step is automatically selected by the auto tuning step func tion QUICK TUNING STEP The operating frequency can be changed in kHz steps 0 1 1 5 9 10 12 5 20 or 25 kHz selectable for quick tuning q Push TS momentarily to display the quick tuning indicator w Rotate the tuning dial to change the frequency in programmed kHz steps e Push TS a...

Страница 28: ...BT should normally be set to the center posi tions PBT setting is cleared when there is no interfer ence When PBT is used the audio tone may be changed Not available for FM mode While rotating TWIN PBT noise may occur This comes from the DSP unit and does not indicate an equipment malfunction 5 26 RECEIVE AND TRANSMIT The following modes are available in the IC 756PRO SSB LSB USB CW CW R CW revers...

Страница 29: ...equency is attenuated Auto notch OFF Auto notch ON Noise blanker The noise blanker eliminates pulse type noise such as from car ignitions The noise blanker is not avail able for FM mode Push the NB switch to turn the noise blanker ON or OFF When using the noise blanker received signals may be distorted if they are excessively strong Noise blanker OFF Noise blanker ON NB NB NB switch Noise reductio...

Страница 30: ... the twin peak filter function ON or OFF i Push EXIT to exit the RTTY filter set mode ANT 1 METER Po BW BW 350 350 SFT SFT 0 VFO VFO FIL2 FIL2 RTTY RTTY qw pp TX TX 1 CW CW qr qpp pp 21 076 50 21 076 50 TPF TPF RTTY FIL CW RTTY TPF indicator 28 5 RECEIVE AND TRANSMIT RTTY reverse mode Received characters are occasionally garbled when the receive signal is reversed between MARK and SPACE This rever...

Страница 31: ... RTTY filter by push ing RTTY FIL e Push FILTER for 2 sec to enter filter set mode r Push FILTER one or more times to select the de sired IF filter t While pushing F 1 BW rotate the tuning dial to set the desired passband width In SSB and CW modes the passband width can be set within the following range 50 to 500 Hz 50 Hz steps 600 to 2700 Hz 100 Hz steps In RTTY mode the passband width can be set...

Страница 32: ...ush AGC to select slow time constant i Rotate the tuning dial to set the desired time con stant for AGC SLOW AGC time constant can be set between 0 1 to 8 0 sec depends on mode or turned OFF Push F 3 DEF to select a default value o Select another mode except FM Repeat steps e to o if desired 0 Push EXIT to exit the AGC set mode screen ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF VOX V...

Страница 33: ... scan edges may not be necessary w Push SPLIT to turn the split frequency function ON appears e Select VFO mode for the main readout r Set the desired operating frequency for the main readout t Push DUALWATCH for 2 sec The main and sub readout frequencies are equalized and the dualwatch function is turned ON y Push F 4 SCAN to select the scan screen Push EXIT one or more times to close a multi fun...

Страница 34: ...MPLE DUALWATCH FUNCTION The dualwatch function is convenient for tuning the transmit frequency while monitoring both frequencies used for transmitting and receiving SPLIT LOCK FUNCTION Accidentally releasing the XFC switch while rotating the tuning dial changes the receive frequency To pre vent this use both the split lock and dial lock functions to change the transmit frequency only The split loc...

Страница 35: ...qw pp ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF BW BW 2 4k 2 4k SFT SFT 0 FIL2 FIL2 USB USB VFO VFO USB USB USB USB USB USB FIL2 FIL2 wq wop pp 14 100 00 14 100 00 14 100 00 14 100 00 VFO VFO wq wop pp 1 1 SPLIT SPLIT TX TX F inP ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF BW BW 2 4k 2 4k SFT SFT 0 FIL2 FIL2 USB USB qw pp TX TX VFO VFO USB USB USB USB USB USB FIL2 FIL...

Страница 36: ... 00 14 100 00 p pp RIT RIT P AMP P AMP 1 1 VFO VFO Reset to 0 00 RIT TX Low shift High shift ANT ANT 1 METER METER Po Po BW BW 2 4k 2 4k SFT SFT 0 FIL2 FIL2 USB USB qw pp TX TX USB USB qr qot pp 14 100 00 14 100 00 q wt RIT RIT P AMP P AMP 1 1 VFO VFO RIT appears When RIT and TX are ON at the same time the RIT TX control shifts both the transmit and receive frequencies from the displayed frequency...

Страница 37: ...B SSB TX Tone Treble 0dB Monitor Level 50 Side Tone Level 50 Side Tone Level Limit ON Beep Level 50 Beep Level Limit ON MONITOR switch PHONES jack VOX function The VOX Voice Operated Transmission function tog gles between transmit and receive with your voice This function provides an opportunity to input log en tries into your computer etc while operating Using the VOX function q Select a phone mo...

Страница 38: ... 5 7 9 20 20 40 40 60dB 60dB 0 25 25 50 100 100 1 1 5 1 5 2 2 5 2 5 3 S Po Po ALC ALC COMP COMP SWR SWR P HOLD P HOLD MULTI FUNCTION METER MULTI FUNCTION METER DISPLAY INDICATION MEASUREMENT SWR Indicates the SWR over the transmission line Po Indicates the relative RF output power in ALC Indicates the ALC level When the meter movement shows the input signal level exceeds the allowable level the AL...

Страница 39: ...n OFF METER function ALC MIC GAIN control Center position COMP control Center position RF POWER control Max counterclockwise e Transmit at your normal voice level r Adjust the MIC GAIN control so that the ALC meter reads within the ALC zone whether or not you speak softly or loudly t Push COMP momentarily to turn the speech compressor ON y Push METER once to select the COMP meter u Adjust the COMP...

Страница 40: ...memory channel T1 T4 appears push F 5 T R to select receive voice memory chan nel t Push the desired memory channel F 1 R1 F 4 R4 momentarily to playback y Push the selected memory channel F 1 R1 F 4 R4 again to stop playback if desired u Push EXIT twice to exit voice memory screen R1 R1 R2 R2 R3 R3 R4 R4 T R T R VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID VOICE RECORDER VOICE RECO...

Страница 41: ...o enter memory name edit condition A cursor appears and blinks r Push F 5 T1 T4 one or more times to select the desired voice memory t Input the desired character by rotating the tuning dial or by pushing the band key for number input Push ABC or abc to toggle capital and small letters Push 123 or etc to toggle numerals and symbols Push F 1 Ω or F 2 for cursor movement Push F 3 DEL to delete the s...

Страница 42: ...creen as described at left w Push F 3 TX LEV to select the voice memory transmit level set mode screen e Push the desired memory channel F 1 T1 F 4 T4 momentarily to transmit the contents r Rotate the tuning dial to adjust the transmit voice level Push F 5 DEF to select the default condition t Push EXIT to return to the voice recorder screen T1 T1 T2 T2 T3 T3 T4 T4 DEF DEF VOX VOX OFF OFF COMP COM...

Страница 43: ...FF OFF Please Please turn turn ON ON RTTY DECODE RTTY DECODE ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE HOLD HOLD CLR CLR ADJ ADJ WIDE WIDE AGC AGC MID MID SFT SFT 0 qw pp BW BW 350 350 RTTY DECODE RTTY DECODE V F O V F O V F O V F O qr qot pp 14 100 00 RTTY RTTY FIL FIL2 RTTY RTTY FIL FIL2 T X T X RTTY RTTY Decode Decode Monitor Monitor 4...

Страница 44: ...r Repeat Repeat Time Time 2s 2s Dot Dash Dot Dash Ratio Ratio 1 1 3 0 1 1 3 0 Rise Rise Time Time 4ms 4ms Paddle Paddle Polarity Polarity Normal Normal Keyer Keyer Type Type ELEC KEY ELEC KEY MIC MIC Up Down Up Down Keyer Keyer OFF OFF DEF DEF BK IN BK IN OFF OFF 1 4 1 4 OFF OFF AGC AGC MID MID KEYER CW KEY KEYER CW KEY é è Keyer Keyer Repeat Repeat Time Time 2s 2s Dot Dash Dot Dash Ratio Ratio 1 ...

Страница 45: ... to select CW mode w Push KEYER to select keyer set mode e Push F 3 001 to enter contact number screen r Rotate the tuning dial to select the cut number type if desired Normal does not use Morse cut numbers 190 ANO sets 1 as A 9 as N and Ø as O 190 ANT sets 1 as A 9 as N and Ø as T 90 NO sets 9 as N and Ø as O 90 NT sets 9 as N and Ø as T t Push F 2 to select the Count Up Trigger item y Rotate the...

Страница 46: ...the current spectrum in a different color until the re ceive frequency changes This can be deactivated if desired q Call up the scope screen as described at left w Push F 5 SET to select the spectrum scope set mode e Push F 2 to select the Max Hold item r Rotate the tuning dial to turn the peak level holding function ON or OFF t Push EXIT to exit keyer set mode If a strong signal is received ghost...

Страница 47: ...ith the ANT switch Antenna switch selection example Under the following condition Auto should be se lected as the ANT switch set mode item When you use 2 antennas Under the following conditions Manual should be selected as the ANT switch set mode item When using 1 antenna When using the EX 627 HF AUTOMATIC ANTENNA SELECTOR for more than 3 antennas except for re ceive antenna When using an external...

Страница 48: ...ing q Select FM mode w Push TONE for 2 sec to enter tone set mode e Push F 1 to select the repeater tone item r Rotate the tuning dial to select the desired re peater tone frequency t Push EXIT to exit tone set mode Available repeater tones Unit Hz Store repeater tone frequencies and ON OFF settings in memory channels for easy recall CONVENIENT VOX VOX OFF OFF TONE TONE T SCAN T SCAN AGC AGC FAST ...

Страница 49: ... dial to select the desired tone squelch frequency t Push EXIT to exit tone set mode Available tone squelch tones Unit Hz Store tone squelch frequencies and ON OFF settings in memory channels for easy recall CONVENIENT VOX VOX OFF OFF TONE TONE T SCAN T SCAN AGC AGC FAST FAST é è DEF DEF TONE FREQUENCY TONE FREQUENCY 88 5Hz 88 5Hz 88 5Hz 88 5Hz T SQL TONE T SQL TONE REPEATER TONE REPEATER TONE ANT...

Страница 50: ...atically when the SWR exceeds 1 5 1 This function is turned ON in set mode p 69 PTT TUNER START The tuner is always tuned when the PTT is pushed after the frequency is changed more than 1 from last tuned frequency This function removes the push and hold TUNER operation and activates for the first transmission on a new frequency This function is turned ON in set mode p 69 NOTES If the tuner cannot ...

Страница 51: ...r the 50 MHz band AH 4 AH 3 operation Tuning is required for each frequency Be sure to re tune the antenna before transmitting when you change the frequency even slightly q Set the desired frequency in an HF or 50 MHz band for using with the AH 4 Set the desired fre quency in an HF band for using with the AH 3 The AH 4 AH 3 will not operate on frequencies outside of ham bands w Push TUNER for 2 se...

Страница 52: ... again Using the keypad q Push VFO MEMO to select memory mode w Push F INP e Push the desired memory channel number using the keypad Enter 100 or 101 to select scan edge channel P1 or P2 respectively r Push Y or Z to select the desired memory channel ANT ANT 1 METER METER Po Po SFT SFT 0 FIL2 FIL2 CW CW qw pp TX TX USB USB qr qot pp 14 100 00 14 100 00 BPF BPF 1 VFO VFO BW BW 500 500 ANT ANT 1 MET...

Страница 53: ...xit the memory channel screen Setting select memory channels is also possible in the scan screen ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE ROLL ROLL SET SET SELECT SELECT NAME NAME WIDE WIDE SFT SFT 0 FIL2 FIL2 USB USB qw pp AGC AGC MID MID TX TX VFO VFO USB USB USB USB USB USB FIL2 FIL2 qr qot pp qr wpt pp 14 100 00 14 100 00 14 100 00 1...

Страница 54: ...2 4k ANT ANT 1 METER METER Po Po SFT SFT 0 FIL2 FIL2 LSB LSB qw pp TX TX LSB LSB u pii pp 7 088 00 7 088 00 12 12 VFO VFO BW BW 2 4k 2 4k Programming in memory mode q Select the desired memory channel with Y Z in memory mode Memory channel contents appear in the memory chan nel readout below the frequency readout appears if the selected memory channel is a blank channel and does not have contents ...

Страница 55: ...R Po Po SFT SFT 0 FIL2 FIL2 CW CW qw pp TX TX CW CW qr pqi pp 14 018 00 14 018 00 16 16 VFO VFO BW BW 500 500 BPF BPF VFO MEMO Transferring in memory mode This is useful for transferring frequency and operating mode while operating in memory mode When you have changed the frequency or operat ing mode in the selected memory channel Displayed frequency and mode are transferred Programmed frequency a...

Страница 56: ... C A N E D G E P 2 P 2 2 9 9 9 9 9 9 2 9 9 9 9 9 9 U S B U S B F L 2 F L 2 S C A N E D G E S C A N E D G E 1 1 4 1 0 0 0 0 1 4 1 0 0 0 0 U S B U S B F L 2 F L 2 _ 2 3 4 M E M O R Y M E M O R Y ç å DEL DEL SPACE SPACE WIDE WIDE ABC ABC Character group keys Selected character ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE ROLL ROLL SET SET SELEC...

Страница 57: ... The oldest written frequency and mode are erased Oldest MP W wq wii ww USB wq wuy pp USB wq pwr tw USB wq pqi py USB qr qiw rp USB qr qot pp USB MEMO PADS Calling up a frequency from a memo pad You can simply call up the desired frequency and op erating mode of a memo pad by pushing MP R one or more times Both VFO and memory modes can be used The frequency and operating mode are called up startin...

Страница 58: ... p 31 for details SCAN STARTS WITH PROGRAMMED SCAN MEMORY SCAN SQUELCH OPEN The scan continues until it is stopped manually and does not pause even if it detects signals Scan pauses on each channel when the scan resume is ON not applicable when OFF SQUELCH CLOSED Scan stops when detecting a signal If you set scan resume ON in set mode the scan pauses for 10 sec when detecting a signal then resumes...

Страница 59: ... a n e d g e s e d g e s P 2 P 2 2 9 9 9 9 9 9 M H z 2 9 9 9 9 9 9 M H z F scan operation q Push EXIT one or more times to close a multi function screen if necessary w Select VFO mode or a memory channel e Select the desired operating mode The operating mode can also be changed while scan ning r Push F 4 SCAN to select the scan screen t Set RF SQL open or closed See previous page for scan conditio...

Страница 60: ... 0 0 0 0 M H z 0 5 0 0 0 0 M H z s c a n s c a n e d g e s e d g e s P 2 P 2 2 9 9 9 9 9 9 M H z 2 9 9 9 9 9 9 M H z Memory scan operation q Push EXIT one or more times to close a multi function screen if necessary w Select memory mode e Select the desired operating mode The operating mode can also be changed while scan ning r Push F 4 SCAN to select the scan screen t Set RF SQL open or closed See...

Страница 61: ... 14 100 00 1 VFO VFO 12 12 BW BW 2 4k 2 4k MEMO MEMO F SELECT SELECT F SPAN F SPAN SET SET SCAN SCAN F S p a n S p a n 1 0 k H z 1 0 k H z P r o g r a m m e d P r o g r a m m e d P 1 P 1 0 5 0 0 0 0 M H z 0 5 0 0 0 0 M H z s c a n s c a n e d g e s e d g e s P 2 P 2 2 9 9 9 9 9 9 M H z 2 9 9 9 9 9 9 M H z Setting select memory channels q Push EXIT one or more times to close a multi function screen...

Страница 62: ...elect the scan set mode screen r Push F 2 Z to select the scan resume condition item t Rotate the tuning dial to turn the scan resume function ON or OFF Push F 3 DEF to select the default condition y Push EXIT twice to exit the set mode VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID é è DEF SCAN SET SCAN Speed SCAN Speed HIGH HIGH SCAN Resume SCAN Resume ON ON VOX VOX OFF OFF COMP COM...

Страница 63: ...CAN to start the tone scan SCAN flashes while scanning y When the tone frequency is detected the tone scan pauses The tone frequency is set temporarily on a memory channel Program into the memory channel to store the tone frequency permanently The decoded tone frequency is used for the repeater tone frequency or tone squelch frequency u To stop the scan push EXIT i Push EXIT to exit the tone frequ...

Страница 64: ...4k TIME SET TIME SET é è Time Time Now Now 15 24 15 24 Power ON Power ON Timer Timer Set Set 0 00 0 00 Power OFF Power OFF Period Period 60min 60min TIME set TIME set Push Push SET SET SET SET ANT ANT 1 METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE SFT SFT 0 FIL2 FIL2 USB USB qw pp AGC AGC MID MID TX TX VFO VFO USB USB USB USB USB USB FIL2 FIL2 qr qot ...

Страница 65: ...w 15 24 15 24 Power ON Power ON Timer Set Timer Set 19 30 19 30 Power OFF Power OFF Period Period 45min 45min TIMER set TIMER set Push Push SET SET VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID TIME SET TIME SET é è Time Time Now Now 15 24 15 24 Power ON Power ON Timer Set Timer Set 19 30 19 30 Power OFF Power OFF Period Period 60min 60min Timer operation q Preset the power on time a...

Страница 66: ...OX OFF OFF COMP COMP OFF OFF WIDE WIDE SFT SFT 0 FIL2 FIL2 USB USB qw pp AGC AGC MID MID TX TX VFO VFO USB USB USB USB USB USB FIL2 FIL2 qr qot pp qr wpt pp 14 100 00 14 100 00 14 100 00 14 100 00 1 1 VFO VFO BW BW 2 4k 2 4k LEVEL LEVEL DISP DISP TIME TIME OTHERS OTHERS SET MODE SET MODE VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC...

Страница 67: ...eep tones from 0 to 100 in 1 steps When beep tones are turned OFF this setting has no effect 50 50 default Beep Level Limit This item allows you to set a maximum volume level for confirmation beep tones Confirmation beep tones are linked to the AF control until a specified volume level is reached further rotation of the AF control will not increase the volume of the beep tones O ON N Beep level is...

Страница 68: ...ntal position of the LCD from 1 to 8 4 Horizontal position is 4 default Backlight switches This item adjusts the brightness of the switches from 1 to 8 8 Backlight level is 8 Maximum default Display Type This item sets the LCD screen type There are 4 se lectable types A B C and D A A A type LCD screen default Display Font This item sets the font of the frequency readouts There are 7 selectable fon...

Страница 69: ...ode screen Opening screen example iC 756pro iC 756pro NOW CALIBRATING DIGITAL SIGNAL PROCESSOR PLEASE WAIT FOR 10sec JA3YUA iC 756pro 123 123 ABC ABC ç å DEL DEL SPACE SPACE WIDE WIDE DISPLAY SET Character group keys Selected character Bright LCD 50 Horizon 4 Backlight Switches 8 Display Type A Display Font Basic1 Memory Name ON My Call _A3YUA ABC ABC VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AG...

Страница 70: ...O ON N Band edge beep ON default O OF FF F Band edge beep OFF Quick Dualwatch When this item is set to ON pushing DUALWATCH for 2 sec sets the sub readout frequency to the main readout frequency and activates dualwatch operation See p 31 for details O ON N Quick dualwatch ON default O OF FF F Quick dualwatch OFF Quick SPLIT When this item is set to ON pushing SPLIT for 2 sec sets the sub readout f...

Страница 71: ...00 0M MH Hz z Minus 1 0 MHz offset default 4 4 0 00 00 0M MH Hz z Plus 4 0 MHz offset SPLIT Lock When this item is ON the tuning dial can be used to adjust the transmit frequency while pushing XFC even while the lock function is activated See p 32 for split frequency operation details O ON N Split lock function ON O OF FF F Split lock function OFF default Tuner Auto Start The internal antenna tune...

Страница 72: ... polarity default R RE EV VE ER RS SE E Reverse polarity RTTY Decode USOS This item selects the USOS UnShift On Space func tion of the internal RTTY decoder See p 41 for details O ON N Decode as letter code default O OF FF F Decode as character code ANT Switch You can set the antenna connector selection to auto matic manual or non selection when using 1 an tenna only When Auto is selected the ante...

Страница 73: ... announcement Speech S Level When the optional UT 102 VOICE SYNTHESIZER UNIT is installed you can have frequency mode and signal level announcement Signal level announcement can be deactivated if desired When OFF is selected the signal level is not an nounced See p 73 for unit installation O ON N Signal level announcement default O OF FF F No signal level announcement Memo Pad Numbers This item se...

Страница 74: ...h Address of 7Fh CI V transceive Transceive operation is possible with the IC 756PRO connected to other Icom HF transceivers or receivers When ON is selected changing the frequency op erating mode etc on the IC 756PRO automatically changes those of connected transceivers or re ceivers and vice versa O ON N Transceive ON default O OF FF F Transceive OFF CI V with IC 731 When connecting the IC 756PR...

Страница 75: ...h or Japanese Push SPEECH to announce the frequency etc q Remove the top and bottom covers as shown above w Remove the protective paper attached to the bot tom of the UT 102 to expose the adhesive strip e Plug UT 102 into J3502 on the MAIN unit as shown in the diagram at right r Return the top and bottom covers to their original positions U T 1 0 2 UT 102 J3502 UT 102 VOICE SYNTHESIZER UNIT q Remo...

Страница 76: ...to reset the function Push NB to turn the function OFF Push P AMP once or twice to turn the function OFF Set the NR control for maximum readability p 26 p 26 p 27 p 5 p 27 The ANT switch does not function The antenna switch has not been activated Set the antenna switch in set mode to Auto or Manual p 45 SCAN Programmed scan does not stop Squelch is open RF SQL is assigned to RF gain control and sq...

Страница 77: ...transmits and receives normally but cannot re tain the current time See p 77 for battery location CR2032 CIRCUITRY FUSE REPLACEMENT The 13 8 V DC from the DC power cable is applied to all units in the IC 756PRO except for the power am plifier through the circuitry fuse This fuse is installed in the PA unit q Remove the top cover as shown on p 73 w Remove 11 screws from the PA shielding plate then ...

Страница 78: ...requency for 9 999 00 MHz Other standard frequencies can also be used r Push EXIT one or more times to close a multi function screen if necessary t Push F 5 SET to select the set mode screen y Push F 4 OTHERS to enter miscellaneous oth ers set mode u Push F 1 Y several times to select the Calibra tion marker item i Rotate the tuning dial clockwise to turn the calibra tion marker ON Side tone may b...

Страница 79: ...12 77 INTERNAL VIEWS PA fuse FGB 5 A PA unit FILTER unit Internal antenna tuner Top view RF unit PLL unit Space for optional voice synthesizer UT 102 MAIN unit Clock backup battery Bottom view ...

Страница 80: ...ult address Controller s default address Command number see table at right Sub command number see table at right BCD code data for frequency or memory number entry End of message code fixed OK MESSAGE TO CONTROLLER FE FE E0 5C FB FD Preamble code fixed Controller s default address Transceiver s default address OK code fixed End of message code fixed NG MESSAGE TO CONTROLLER FE FE E0 5C FA FD Pream...

Страница 81: ... OFF 1 ON Set noise reduction 0 OFF 1 ON Set auto notch 0 OFF 1 ON Send read memory contents Send read band stacking register contents Send read CW keyer contents 00 01 02 AF level setting 0 max CCW to 255 max CW RF level setting 0 max CCW to 255 11 o clock SQL level setting 0 11 o clock to 255 max CW NR level setting 0 min to 255 max Inside TWIN PBT setting or IF shift setting 0 max CCW 128 cente...

Страница 82: ... connector 3 conductor 6 35 d mm 1 4 KEY connector 3 conductor 6 35 d mm 1 4 SEND connector Phono RCA ALC connector Phono RCA Receiver Receive system Triple conversion superheterodyne system Intermediate frequencies 1st 64 455 MHz 2nd 455 kHz 3rd 36 kHz Sensitivity typical SSB CW RTTY 0 16 µV 1 80 29 99 MHz 1 10 dB S N 0 13 µV 50 0 54 0 MHz 2 AM 10 dB S N 13 µV 0 5 1 799 MHz 2 µV 1 80 29 99 MHz 1 ...

Страница 83: ...e station operation Includes UP DOWN switches and a low cut function SP 20 EXTERNAL SPEAKER 4 audio filters headphone jack can connect to 2 transceivers Input impedance 8 Ω Max input power 5 W CT 17 CI V LEVEL CONVERTER For remote transceiver control using a personal computer You can change frequencies operating mode memory channels etc IC AT500 HF AUTOMATIC ANTENNA TUNER 500 W automatic antenna t...

Страница 84: ...Count on us 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5627H 1EX q Printed in Japan 1999 Icom Inc ...

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