Page 2 - WORD
i IMPORTANT READ THIS INSTRUCTION MANUALCAREFULLY before attempting to operate the transceiver. SAVE THIS INSTRUCTION MANUAL. This manual contains important safety and operating in-structions for the IC-756PROII. EXPLICIT DEFINITIONS R WARNING HIGH VOLTAGE! NEVER at- tach an antenna or internal ante...
Page 3 - SUPPLIED ACCESSORIES; The transceiver comes with the following accessories.; TABLE OF CONTENTS; INSTALLATION AND
SUPPLIED ACCESSORIES The transceiver comes with the following accessories. Qty. q DC power cable (OPC-025D) ............................ 1 w Hand microphone (HM-36) ................................ 1 e Spare fuses (FGB 30 A) .................................... 2 r Spare fuse (FGB 5 A) ................
Page 4 - Front panel; Push momentarily to turn power ON.; PANEL DESCRIPTION
■ Front panel q POWER SWITCH [POWER/TIMER] ➥ Push momentarily to turn power ON. • Turn the optional DC power supply ON in advance.• A/D converter calibration of the DSP unit starts and it takes approx. 10 sec. ➥ Push momentarily to toggle the timer function ONand OFF. (p. 63) • The power switch ligh...
Page 5 - • When setting as RF gain/squelch control; to maximum; • When functioning as RF gain control
2 3 PANEL DESCRIPTION i RF GAIN CONTROL/SQUELCH CONTROL[RF/SQL] (outer control)Adjusts the RF gain and squelch threshold level.The squelch removes noise output from thespeaker (closed condition) when no signal is re-ceived. • The squelch is particularly effective for FM. It is also available for oth...
Page 8 - What is the RIT function?
■ Front panel (continued) #0 LOCK/SPEECH SWITCH [LOCK/SPEECH] ➥ Push momentarily to toggle the dial lock functionON and OFF. (p. 46) ➥ Pushing for 1 sec. announces the S-meter indi-cation and the selected readout frequency whenan optional UT-102 is installed. (p. 74) #1 RIT/ ∂ ∂ TX CONTROL [RIT/ ∂ ∂...
Page 9 - KEYPAD; Pushing a key selects the operating band.
7 2 PANEL DESCRIPTION #7 PBT CLEAR SWITCH [PBT CLR] (p. 25)Clears the PBT settings when pushed for 1 sec. • The [PBT CLR] indicator lights when PBT is in use. #8 NOTCH SWITCH [NOTCH] (p. 26) ➥ Switches the notch function between auto, man-ual and OFF in SSB and AM modes. ➥ Turns the manual notch fun...
Page 10 - Turns the quick tuning step ON and OFF.
8 2 PANEL DESCRIPTION ■ Front panel (continued) $8 LCD FUNCTION DISPLAY (See p. 10 for details.)Shows the operating frequency, function switchmenus, spectrum screen, memory channel screen,set mode settings, etc. $9 MEMORY UP/DOWN SWITCHES [ Y Y ]/[ Z Z ] (p. 51) ➥ Select the memory channel number fo...
Page 11 - • MICROPHONE CONNECTOR; DO NOT short pin 2 to ground as this; Microphone; FUNCTION
9 2 PANEL DESCRIPTION • 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.NOTE: DC voltage is applied to pin 1 for micro-phone operation. Take care when using a non-Icommicrophone. y GND (PTT ground) ...
Page 12 - LCD display; Show the VFO contents in memory mode.
10 2 PANEL DESCRIPTION ■ LCD display q TX INDICATORIndicates the frequency readout for transmit. w VFO/MEMORY CHANNEL INDICATOR (pgs. 22, 51)Indicates the VFO mode or selected memory chan-nel number. e SELECT MEMORY CHANNEL INDICATOR (p. 60)Indicates the displayed memory channel is set as aselect me...
Page 13 - • Start up screen; Screen menu arrangement
11 2 PANEL DESCRIPTION ATT0FF METER Po P.AMP 1 BK-IN OFF 1/4OFF BW 2.4k SFT 0 VFO FIL2 C W qw : pp AGCMID 1 T X VFO 1 USB CW CW FIL2 qr.qpp.pp qr.qpp.pp --. ---. -- --. ---. -- SCOPE VOICE KEYER MEMORY SCAN ANT 1 BK-IN BK-IN OFF OFF 1/4 1/4OFF OFF AGC AGCMID MID C Q T E S T C Q T E S T D E I C O M I...
Page 14 - Rear panel; general coverage antenna with an; q w
12 2 PANEL DESCRIPTION ■ Rear panel q TRANSVERTER JACK [XVERT] (p. 19)External transverter input/output jack. Activated byvoltage applied to [ACC(2)] pin 6. w RECEIVE ANTENNA CONNECTOR [RX ANT] (p. 16)Connects a 50 Ω general coverage antenna with an RCA connector. e TUNER CONTROL SOCKET [TUNER] (p. ...
Page 15 - ACC SOCKETS; DESCRIPTION
13 2 PANEL DESCRIPTION !2 ANTENNA CONNECTOR 1 [ANT1] !3 ANTENNA CONNECTOR 2 [ANT2] (pgs. 14, 15)Accept a 50 Ω antenna with a PL-259 connector. When using an optional AH-4 HF/50 MHz AUTO- MATIC ANTENNA TUNER or AH-3 HF AUTOMATIC AN- TENNA TUNER , connect it to the [ANT1] connector. The internal anten...
Page 16 - INSTALLATION AND CONNECTIONS; Unpacking; Protect your transceiver from lightning; Antenna SWR; PL-259 CONNECTOR INSTALLATION EXAMPLE
3 14 INSTALLATION AND CONNECTIONS ■ Unpacking After unpacking, immediately report any damage to thedelivering carrier or dealer. Keep the shipping cartons. For a description and a diagram of accessory equip-ment included with the IC-756PROII, see ‘Supplied ac-cessories’ on p. 1 of this manual. ■ Sel...
Page 17 - INSTALLATION AND CONNECTIONS; Required connections; • Front panel; CW KEY
3 15 INSTALLATION AND CONNECTIONS ■ Required connections • Front panel • Rear panel SWR S COMP ALC Po 0 10 10 2 5 5 0 10 0 2 0 1 0 1.5 2 3 1 5 9 + 2 0 + 4 0 + 6 0dB dB RIT/ TX TX F-1 SSB F-2 F-3 F-4 F-5 CW/RTTY AM/FM FILTER EXIT/SET 1 2 3 4 5 6 7 8 9 0 ENT NOTCH PBT CLR LOCK TX RX NOTCH TWIN PBT CW ...
Page 18 - Advanced connections; HEADPHONES
■ Advanced connections • Front panel • Rear panel 16 3 INSTALLATION AND CONNECTIONS SWR S COMP ALC Po 0 10 10 2 5 5 0 10 0 2 0 1 0 1.5 2 3 1 5 9 + 2 0 + 4 0 + 6 0dB dB RIT/ TX TX F-1 SSB F-2 F-3 F-4 F-5 CW/RTTY AM/FM FILTER EXIT/SET 1 2 3 4 5 6 7 8 9 0 ENT NOTCH PBT CLR LOCK TX RX NOTCH TWIN PBT CW ...
Page 19 - Power supply connections; CONNECTING A DC POWER SUPPLY; CONNECTING A VEHICLE BATTERY; NEVER connect; CONNECTING PS-125 DC POWER SUPPLY
17 3 INSTALLATION AND CONNECTIONS ■ Power supply connections Use the optional PS-125 DC power supply with a 25 Acapacity when operating the transceiver with ACpower. Refer to the diagrams below. CAUTION: Before connecting the DC power cable, check the following important items. Makesure:• The [POWER...
Page 20 - Linear amplifier connections; CONNECTING THE IC-PW1; Transceiver; CONNECTING A NON-ICOM LINEAR AMPLIFIER
18 3 INSTALLATION AND CONNECTIONS ■ Linear amplifier connections Use the [ANT1] connector when connecting a linearamplifier. CONNECTING THE IC-PW1 Turn OFF the transceiver’s antenna tuner while tuning the IC-PW1’s tuner. To anantenna ACC-1 ANT ANT2 ANT1 ACC(2) INPUT1 INPUT2 REMOTE EXCITER1 1&2 G...
Page 21 - External antenna tuner connection; Transverter jack information
■ External antenna tuner connection CONNECTING THE AH-4/AH-3 The AH-4 or AH-3 must be connected to [ANT1]. 19 3 INSTALLATION AND CONNECTIONS When 2 to 13.8 V is applied to pin 6 of [ACC(2)], the[XVERT] jack is activated for transverter operationand the antenna connectors do not receive or trans-mit ...
Page 22 - AFSK and SSTV connections
20 3 INSTALLATION AND CONNECTIONS AF input Ground (GND) PTT SQUELCH input* RTTY keying * Connect the SQUELCH line when required. Terminal unit (TU) orTerminal Node Controller (TNC) [ACC(1)] socket (Rear panel view) 1 2 3 4 5 6 7 8 AFSK output AF input Ground (GND) Ground (GND) PTT SQUELCH input* * C...
Page 23 - FREQUENCY SETTING; Initial settings
4 21 FREQUENCY SETTING Before first applying power, make sure all connectionsrequired for your system are complete by referring toChapter 3. Then, reset the transceiver using the fol-lowing procedure. Resetting CLEARS all programmed contents inmemory channels and returns programmed valuesin set mode...
Page 24 - VFO description; • Differences between VFO mode and memory mode
22 4 FREQUENCY SETTING ■ VFO description VFO is an abbreviation of Variable Frequency Oscilla-tor, and traditionally refers to an oscillator. The transceiver’s VFO is somewhat different. The VFOof the IC-756PROII acts like a computer’s window andcan show one frequency and one operating mode. You can...
Page 25 - Direct frequency entry with the keypad; • For ham band use; • For general coverage receiver use; Rotate the tuning dial to set the desired frequency.; Input the desired frequency.
23 4 FREQUENCY SETTING ■ Direct frequency entry with the keypad ■ Frequency setting with the tuning dial • For ham band use q Push the desired band key on the keypad 1–3times. • 3 different frequencies can be selected on each band with the band key. (See “Triple band stacking register”below.) w Rota...
Page 26 - Advanced tuning functions; TUNING STEP FUNCTION; SELECTING THE kHz STEP
24 4 FREQUENCY SETTING ■ Advanced tuning functions SELECTING THE 1 Hz STEPThe minimum tuning step of 1 Hz can be used for finetuning. q Turn OFF the quick tuning step. • “ ▼ ” does not appear. w Push [TS] for 1 sec. to toggle the 1 Hz tuning stepON and OFF. • RIT and/or ∂ TX also functions in 1 Hz t...
Page 27 - RECEIVE AND TRANSMIT; Mode selection; See the diagram below for the order of selection.; PBT OPERATION EXAMPLE
5 25 RECEIVE AND TRANSMIT ■ Mode selection ■ Twin PBT operation General PBT (Passband Tuning) function electronicallynarrows the IF passband width by shifting the IF fre-quency to slightly outside of the IF filter passband toreject interference. This transceiver uses the DSP cir-cuit for the PBT fun...
Page 28 - Notch function; Noise reduction
26 5 RECEIVE AND TRANSMIT ■ Notch function This transceiver has auto and manual notch func-tions. The auto notch function automatically attenu-ates more than 3 beat tones, tuning signals, etc.,even if they are moving. The manual notch can be setto attenuate a frequency via the [NOTCH] control. ➥ Pus...
Page 29 - Noise blanker; DSP filter shape
27 5 RECEIVE AND TRANSMIT ■ Noise blanker The noise blanker eliminates pulse-type noise suchas from car ignitions. The noise blanker is not avail-able for FM mode. q Push the [NB] switch to turn the noise blanker ON. • [NB] indicator lights. w Push the [NB] switch for 1 sec. to enter the noiseblanke...
Page 30 - • RTTY filter selection; RTTY reverse mode
28 5 RECEIVE AND TRANSMIT The transceiver has 5 RTTY filters in addition to nor-mal IF filters. The passband width can be selectedfrom 1 kHz, 500 Hz, 350 Hz, 300 Hz and 250 Hz.When the RTTY filter is turned ON, the RTTY tuningmeter can be used. (p. 42) Moreover, the twin peak filter changes the rece...
Page 31 - CW pitch control; • IF filter selection; Select the desired mode.; • Filter passband width setting; Repeat steps
29 5 RECEIVE AND TRANSMIT ■ CW pitch control The received CW audio pitch and monitored CWaudio can be adjusted to suit your preferences (300 to900 Hz) without changing the operating frequency. The received CW audio pitch can be adjusted in25 Hz steps. The filter set mode screen graphically displays ...
Page 32 - AGC function; • AGC time constant selection; Select the desired mode except FM mode.; Mode
30 5 RECEIVE AND TRANSMIT ■ AGC function The AGC (auto gain control) controls receiver gain toproduce a constant audio output level even when thereceived signal strength is varied by fading, etc. The transceiver has 3 AGC characteristics (time con-stant; fast, mid, slow) for non-FM mode. The FM mode...
Page 33 - Dualwatch operation; • Scanning during dualwatch
31 5 RECEIVE AND TRANSMIT ■ Dualwatch operation Dualwatch monitors 2 frequencies with the samemode simultaneously. During dualwatch, both frequencies should be on thesame band, because the bandpass filter in the RF cir-cuit is selected for the main readout frequency. q Set a desired frequency. w Pus...
Page 34 - Split frequency operation; CONVENIENT
32 5 RECEIVE AND TRANSMIT ■ Split frequency operation Split frequency operation allows you to transmit andreceive in the same mode on two different frequen-cies. The split frequency operation is basically per-formed using 2 frequencies on the main and subreadouts. The following is an example of sett...
Page 35 - Quick split function; OPERATION 1; If the DX station’s operator says “up 10 kHz”:; PRACTICAL EXAMPLE
33 5 RECEIVE AND TRANSMIT ■ Quick split function When you find a DX station, an important considera-tion is how to set the split frequency. When you push the [SPLIT] switch for 1 sec., split fre-quency operation is turned ON, the sub readout isequalized to the main readout frequency and entersstandb...
Page 36 - • RIT function; TX function
34 5 RECEIVE AND TRANSMIT ■ RIT and ∂ ∂ TX • RIT function The RIT function shifts the receive frequency up to±9.999 kHz in 1 Hz steps (10 Hz steps when can-celling the 1 Hz step readout) without moving thetransmit frequency. • See #2 on p. 6 for function description. q Push the [RIT] switch. w Rotat...
Page 37 - Monitor function; ] to select the monitor; VOX function; • Using the VOX function
35 5 RECEIVE AND TRANSMIT ■ Monitor function The monitor function allows you to monitor your trans-mit IF signals in any mode through the speaker. Usethis to check voice characteristics while adjustingSSB transmit tones. (p. 65) The CW sidetone func-tions regardless of the [MONITOR] switch setting. ...
Page 38 - Meter function; • Analog transmit meter; or compression level; • Multi-function digital meter; SWR reading; Read the SWR on the SWR meter.
36 5 RECEIVE AND TRANSMIT ■ Meter function The transceiver has 4 transmit meter functions foryour convenience. Select the desired meter with the[METER] switch. • Analog transmit meter ➥ Push [METER] to select RF power (Po) , SWR, ALC or compression level (COMP) . In addition, the transceiver can dis...
Page 39 - Speech compressor; • Speech compressor; • Compression level setting; Preamp
37 5 RECEIVE AND TRANSMIT ■ Speech compressor The RF speech compressor increases average RFoutput power, improving signal strength and readabil-ity in SSB. • Speech compressor q Select USB or LSB mode. w Push [COMP] momentarily to turn the speechcompressor ON and OFF. e Push [COMP] for 1 sec. to tog...
Page 40 - Digital voice recorder; • Recording a received audio; • Playing the recorded audio
38 5 RECEIVE AND TRANSMIT ■ Digital voice recorder The transceiver has a total of 8 memory channels, 4each for transmit and receive, of digital voice memo-ries. A maximum message length of 15 sec. can berecorded in each receive channel, and a total messagelength of 90 sec. can be recorded in transmi...
Page 41 - • One-touch voice recording
39 5 RECEIVE AND TRANSMIT • One-touch voice recording To record the receiving signal contents immediately,one-touch voice recording is available. q Push [REC/PLAY] for 1 sec. while receiving a sig-nal to start recording. • “REC” flashes.• Records audio into the channel R4. w Push [REC/PLAY] momentar...
Page 42 - • Recording a message for transmit; • Confirming a message for transmit
RECEIVE AND TRANSMIT 5 40 ■ Digital voice recorder (continued) • Recording a message for transmit To transmit a message using a voice recorder, recordthe desired message in advance as described below. q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Push [(F-2)VOICE]...
Page 43 - • Sending a message for transmit; For your information; • Transmit monitor function
41 5 RECEIVE AND TRANSMIT ■ Digital voice recorder (continued) • Sending a message for transmit q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Select a phone mode by pushing [SSB] or[AM/FM]. e Push [(F-2)VOICE] to call up the voice recorderscreen. • If the receive ...
Page 44 - RTTY decoder; • Setting the decoder threshold level
42 5 RECEIVE AND TRANSMIT ■ RTTY decoder The transceiver has an RTTY decoder for Baudot(mark freq.: 2125 Hz, shift freq.: 170 Hz, 45 bps). An external terminal unit (TU) or terminal node con-troller (TNC) is not necessary for receiving a Baudotsignal. q Push [EXIT/SET] several times to close a multi...
Page 45 - Electronic CW keyer; • Setting the electronic keyer; Rotate the tuning dial to select the keying weight.; KEYING WEIGHT EXAMPLE: Morse code “K”
43 5 RECEIVE AND TRANSMIT ■ Electronic CW keyer The transceiver has an electronic keyer. Keyingspeed can be adjusted with [KEY SPEED]. Keyingweight, the ratio of dot : space : dash, can be set from1 : 1 : 2.8 to 1 : 1 : 4.5 in keyer set mode. • Setting the electronic keyer q Push [EXIT/SET] several ...
Page 46 - Memory keyer; • Programming the memory keyer; Repeat step; • Transmitting memory keyer contents
44 5 RECEIVE AND TRANSMIT ■ Memory keyer The memory keyer memorizes and can re-transmit 4CW key codes for often-used CW sentences, antennatypes, etc. Total capacity of the memory keyer is 55characters in each memory channel. • Programming the memory keyer q Push [EXIT/SET] several times, if necessar...
Page 47 - Spectrum scope screen; • Spectrum scope during transmitting; • Maximum level hold function; Call up the scope screen as described at left.
45 5 RECEIVE AND TRANSMIT ■ Spectrum scope screen This function allows you to display the relativestrengths of signals around the center frequency. Thespan can be set to ±12.5 kHz, ±25 kHz, ±50 kHz and±100 kHz. Ideal for monitoring band conditions in aninstant. q Push [EXIT/SET] several times to clo...
Page 48 - Automatic antenna selection; • Antenna switch selection example; Dial lock function
46 5 RECEIVE AND TRANSMIT ■ Automatic antenna selection The transceiver covers 0.1–60 MHz over 10 bands.Each band key has a band memory which can mem-orize a selected antenna (ANT1, ANT2, ANT1/RX an-tenna and ANT2/RX antenna). When you change theoperating frequency beyond a band, the previouslyused ...
Page 49 - Repeater operation; Push the desired band key.; • Setting the repeater tone; Available repeater tones
47 5 RECEIVE AND TRANSMIT ■ Repeater operation A repeater amplifies received signals and retransmitsthem at a different frequency. When using a repeater,the transmit frequency is shifted from the receive fre-quency by an offset frequency. A repeater can be ac-cessed using split frequency operation w...
Page 50 - Tone squelch operation; Operate the transceiver in the normal way.; • Setting the tone squelch tone; The transceiver has 50 tones from 67.0 Hz to; Available tone squelch tones
48 5 RECEIVE AND TRANSMIT ■ Tone squelch operation The tone squelch opens only when receiving a signalcontaining a matching subaudible tone. You cansilently wait for calls from group members using thesame tone. q Push [VFO/MEMO] to select VFO mode. w Push the desired band key. e Push [AM/FM] several...
Page 51 - Antenna tuner operation; NEVER transmit with the tuner ON
49 5 RECEIVE AND TRANSMIT ■ Antenna tuner operation The internal automatic antenna tuner matches thetransceiver to the connected antenna automatically.Once the tuner matches an antenna, the variable ca-pacitor angles are memorized as a preset point foreach frequency range (100 kHz steps). Therefore,...
Page 52 - Optional external tuner operation; TUNER; NEVER; touch the antenna element while tuning; • ANTENNA TUNER OF THE IC-PW1
50 5 RECEIVE AND TRANSMIT ■ Optional external tuner operation • AH-4/AH-3 HF AUTOMATIC ANTENNA TUNER The AH-4/AH-3 matches the IC-756PROII to a longwire antenna more than 3 m/10 ft long (3.5 MHz andabove) or more than 12 m/40 ft long (1.8 MHz andabove). • See p. 19 for the transceiver and AH-4/AH-3 ...
Page 53 - MEMORY OPERATION; Memory channels; • Using the keypad; qpp
6 51 MEMORY OPERATION ■ Memory channels The transceiver has 101 memory channels. The mem-ory mode is very useful for quickly changing to often-used frequencies. All 101 memory channels are tuneable which meansthe programmed frequency can be tuned temporarilywith the tuning dial, etc. in memory mode....
Page 54 - Memory channel screen
52 6 MEMORY OPERATION ■ Memory channel screen The memory channel screen simultaneously shows 7memory channels and their programmed contents. 13memory channels can be displayed in the wide mem-ory channel screen. You can select a desired memory channel from thememory channel screen. • Selecting a mem...
Page 55 - Memory channel programming; • Programming in VFO mode; ] several times to select the desired; • Programming in memory mode; Select the desired memory channel with [
53 6 MEMORY OPERATION ■ Memory channel programming Memory channel programming can be preformed ei-ther in VFO mode or in memory mode. • Programming in VFO mode q Set the desired frequency and operating mode inVFO mode. w Push [ Y ]/[ Z ] several times to select the desired memory channel. • Memory c...
Page 56 - Frequency transferring; • Transferring in VFO mode; • Transferring in memory mode
54 6 MEMORY OPERATION ■ Frequency transferring The frequency and operating mode in a memory chan-nel can be transferred to the VFO. Frequency transferring can be performed in either VFOmode or memory mode. • Transferring in VFO mode This is useful for transferring programmed contents toVFO. q Select...
Page 57 - Memory names; Memory clearing; qot
55 6 MEMORY OPERATION ■ Memory names All memory channels (including scan edges) can betagged with alphanumeric names of up to 10 charac-ters each. Capital letters, small letters, numerals, some symbols(! # $ % & ¥ ? " ’ ` ^ + – ✱ / . , : ; = < > ( ) [ ] { } | _ _ ) and spaces can be us...
Page 58 - Memo pads; • Writing frequencies and operating; MEMO PADS
56 6 MEMORY OPERATION ■ Memo pads The transceiver has a memo pad function to store fre-quency and operating mode for easy write and recall.The memo pads are separate from memory channels. The default number of memo pads is 5, however, thiscan be increased to 10 in set mode if desired. (p. 71) Memo p...
Page 59 - SCANS; Scan types; • Channels; For; • Scan speed; • The scan function can be used on the main readout only.
7 57 SCANS ■ Scan types ■ Preparation • Channels For programmed scan: Program scan edge frequencies into scan edge mem-ory channels P1 and P2. For ∂ F scan: Set the ∂ F span ( ∂ F scan range) in the scan screen. For memory scan: Program 2 or more memory channels except scanedge memory channels. For ...
Page 60 - Programmed scan operation; F scan operation
58 7 SCANS ■ Programmed scan operation q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Select VFO mode. e Select the desired operating mode. • The operating mode can also be changed while scan- ning. r Push [(F-5)SCAN] to select the scan screen. t Set [RF/SQL] open ...
Page 61 - Fine programmed scan/fine; Fine scan functions as programmed or; Memory scan operation
59 7 SCANS ■ Fine programmed scan/fine ∂ F scan Fine scan functions as programmed or ∂ F scan, but scan speed decreases when the squelch opens butdoes not stop. The scanning tuning step shifts from50 Hz to 10 Hz while the squelch opens. q Push [EXIT/SET] several times to close a multi-function scree...
Page 62 - Select memory scan operation; Setting select memory channels
60 7 SCANS ■ Select memory scan operation q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Select memory mode. e Push [(F-5)SCAN] to select the scan screen. r Set [RF/SQL] open or closed. • See p. 57 for scan condition.• If the [RF/SQL] control function is set as “AU...
Page 63 - Scan set mode; Rotate the tuning dial to select the scan speed.; • Scan resume condition; ] to select the scan resume condition; Tone scan; ] to check the repeater
61 7 SCANS ■ Scan set mode Scan set mode is used for programming scanningspeed and scan resume condition. • Scan speed The transceiver has 2 speeds for scanning, high andlow. q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Push [(F-5)SCAN] to select the scan screen....
Page 64 - CLOCK AND TIMERS; Setting the current time; Set the current time using the tuning dial.; Timer function activity; The timer functions can be switched ON and OFF
8 62 CLOCK AND TIMERS ■ Setting the current time The transceiver has a built-in 24-hour clock withpower-off and power-on timer functions. This is usefulwhen logging QSO’s and so on. The clock indicationis always displayed except after pushing [F-INP]. q Push [EXIT/SET] several times to close a multi...
Page 65 - Setting power-off period; Setting power-on time
63 8 CLOCK AND TIMERS ■ Setting power-off period The transceiver can be set to turn OFF automaticallyafter being activated via the power-on timer. Thepower-off period can be set to 5–120 min. in 5 min.steps. q Push [EXIT/SET] several times to close a multi-function screen, if necessary. w Push [EXIT...
Page 66 - SET MODE; Set mode description; • Set mode operation; Set the desired condition using the tuning dial.
9 64 SET MODE ■ Set mode description Set mode is used for programming infrequentlychanged values or conditions of functions. This trans-ceiver has a level set mode, display set mode, timerset mode and miscellaneous (others) set mode. • Set mode operation q Push [EXIT/SET] several times to close a mu...
Page 67 - Level set mode; linked
65 9 SET MODE ■ Level set mode S SS SB B T Tx x T To on ne e ( (B Ba as ss s) ) This item adjusts the bass level of the transmit audiotone in SSB mode from –5 dB to +5 dB in 1 dB steps. 0 d B 0 dB (default) S SS SB B T Tx x T To on ne e ( (T Tr re eb bl le e) ) This item adjusts the treble level...
Page 68 - Display set mode
66 9 SET MODE ■ Display set mode To adjust the LCD contrast or backlight, wait untilthe LCD becomes stable (10 min. or more after turn-ing power ON). This is an inherent characteristic ofLCDs and LCD backlights and does not indicate atransceiver malfunction. C Co on nt tr ra as st t ( (L LC CD D) ) ...
Page 69 - My; ] several times to select the ‘My Call’; • Opening screen example
67 9 SET MODE M My y C Ca al ll l Your call sign, etc. can be displayed in the openingscreen when turning power ON. Up to 10 characterscan be programmed. Capital letters, numerals, some symbols (– / . ) andspaces can be used. q Push [EXIT/SET] several times to close a multi-function screen, if neces...
Page 70 - Timer set mode
68 9 SET MODE ■ Timer set mode T Ti im me e ( (N No ow w) ) This item sets the current time for the built-in 24-hourclock. See p. 62 for details. 1 15 5: :0 00 0 Push [(F-4)SET] to enter the time. T Ti im me er r F Fu un nc ct ti io on n This item sets the timer functions ON and OFF.When the power-O...
Page 71 - See p. 32 for split frequency operation details.
69 9 SET MODE ■ Miscellaneous (others) set mode (continued) Q Qu ui ic ck k D Du ua al lw wa at tc ch h When this item is set to ON, pushing [DUALWATCH]for 1 sec. sets the sub readout frequency to the mainreadout frequency and activates dualwatch operation. See p. 31 for details. O ON N Quick dualwa...
Page 74 - This item selects the RIT/
72 9 SET MODE ■ Miscellaneous (others) set mode (continued) M MA AI IN N D DI IA AL L A Au ut to o T TS S This item sets the auto tuning step function. When ro-tating the tuning dial rapidly, the tuning step automat-ically changes several times as selected. There are 2 type of auto tuning steps: HIG...
Page 76 - OPTION INSTALLATION; DISCONNECT the DC power cable; Opening the transceiver’s case; Turn the transceiver upside down.
10 74 OPTION INSTALLATION Follow the case and cover opening procedures shownhere when you want to install an optional unit or adjustthe internal units, etc. CAUTION: DISCONNECT the DC power cable from the transceiver before performing any work onthe transceiver. Otherwise, there is danger of elec-tr...
Page 77 - MAINTENANCE; SCAN; Troubleshooting; PROBLEM
11 75 MAINTENANCE SCAN ■ Troubleshooting The following chart is designed to help you correctproblems which are not equipment malfunctions. If you are unable to locate the cause of a problem orsolve it through the use of this chart, contact your near-est Icom Dealer or Service Center. PROBLEM POSSIBL...
Page 78 - Fuse replacement; from the transceiver when changing a fuse.; DC POWER CABLE FUSE REPLACEMENT; Clock backup battery replacement; Replace the PA shielding plate and top cover.
76 11 MAINTENANCE ■ Fuse replacement If a fuse blows or the transceiver stops functioning, tryto find the source of the problem, and replace the dam-aged fuse with a new, rated fuse. CAUTION: DISCONNECT the DC power cable from the transceiver when changing a fuse. The IC-756PROII has 2 types of fuse...
Page 79 - Tuning dial brake adjustment; Frequency calibration; Your transceiver has been thor-
77 11 MAINTENANCE ■ Tuning dial brake adjustment The tension of the tuning dial may be adjusted to suityour preference. The brake adjustment screw is located on the rightside of the tuning dial. See the figure at right. Turn the brake adjustment screw clockwise or coun-terclockwise to obtain a comfo...
Page 80 - INTERNAL VIEWS; • Top view
12 78 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 SPCH Optional voicesynthesizer level adj. • Bottom view
Page 81 - CONTROL COMMAND; • CI-V connection example; to a personal computer; • Data format; Controller to IC-756PROII; • Command table
13 79 CONTROL COMMAND • CI-V connection example The transceiver can be connected through an optionalCT-17 CI-V LEVEL CONVERTER to a personal computer equipped with an RS-232C port. The Icom Communi-cations Interface-V (CI-V) controls the following func-tions of the transceiver. Up to 4 Icom CI-V tra...
Page 85 - SPECIFICATIONS; • General; • Transmitter
14 83 SPECIFICATIONS • General • Frequency coverage : (Unit: MHz) USA and Rx 0.030–60.000* 1 * 2 others Tx 1.800– 1.999* 2 3.500– 3.999* 2 7.000– 7.300* 2 10.100–10.150* 2 14.000–14.350* 2 18.068–18.168* 2 21.000–21.450* 2 24.890–24.990* 2 28.000–29.700* 2 50.000–54.000* 2 Europe (#23) Rx 0.030–29.9...
Page 86 - OPTIONS; IC-PW1 HF/50 MHz ALL BAND 1 kW LINEAR AMPLIFIER; ANTENNA TUNER; AH-2b ANTENNA ELEMENT; SM-20 DESKTOP MICROPHONE; PS-125 DC POWER SUPPLY
15 84 OPTIONS IC-PW1 HF/50 MHz ALL BAND 1 kW LINEAR AMPLIFIER Full-duty 1 kW linear amplifier including an automatic antenna tuner. Hasautomatic tuning and band selection capability. Full break-in (QSK) oper-ation is possible. The amplifier/power supply unit and the remote controlunit are separated....