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46

5

RECEIVE AND TRANSMIT

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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 the
operating frequency beyond a band, the previously
used antenna is automatically selected for the new
band. This function is convenient when you use 2 or 3
antennas.

To use the band memory, enter set mode and confirm
that “Auto” is selected as the [ANT] switch item.
(p. 70)

• When OFF is selected, the [ANT] switch does not function

and [ANT1] is always selected.

• When “Manual” is selected, the [ANT] switch functions,

however, band memory does not function. In this case,
you must select an antenna manually.

• When “Auto” is selected (default setting), the antenna

tuner ON/OFF condition is also memorized in the band
memory.

• When “Auto” or “Manual” is selected, the antenna tuner

ON/OFF condition is consistent with 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 an external antenna selector for more

than 3 antennas (except for receive antenna).

- When using an external antenna tuner.

DEF

DEF

WIDE

WIDE

é

è

VOX

VOX
OFF

OFF

COMP

COMP

OFF

OFF

WIDE

WIDE

AGC

AGC
MID

MID

F M

F M S P L I T

S P L I T O f f s e t ( H F )

O f f s e t ( H F )

- 0 . 1 0 0 M H z

- 0 . 1 0 0 M H z

F M

F M S P L I T

S P L I T O f f s e t ( 5 0 M )

O f f s e t ( 5 0 M )

- 0 . 5 0 0 M H z

- 0 . 5 0 0 M H z

S P L I T

S P L I T L O C K

L O C K

O F F

O F F

T u n e r

T u n e r ( A u t o

( A u t o S t a r t )

S t a r t )

O F F

O F F

T u n e r

T u n e r ( P T T

( P T T S t a r t )

S t a r t )

O F F

O F F

[ A N T ]

[ A N T ] S w i t c h

S w i t c h

A u t o

A u t o

R T T Y

R T T Y M a r k F r e q u e n c y

M a r k F r e q u e n c y

2 1 2 5

2 1 2 5

O T H E R S

O T H E R S S E T

S E T

■

Dial lock function

The dial lock function prevents changes by accidental
movement of the tuning dial. The lock function elec-
tronically locks the dial.

➥

Push [LOCK/SPEECH] to toggle the dial lock func-
tion ON and OFF.

• The [LOCK] indicator lights when the dial lock function

is in use.

[LOCK/SPEECH] switch

[LOCK] indicator

IC-756PROII.qxd 02.1.8 15:51 Page 46

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Содержание IC-756PROII

Страница 1: ... device complies with Part 15 of the FCC rules Operation is sub ject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation ...

Страница 2: ...uring mobile operation 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 ex hausted 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 transcei...

Страница 3: ...nitor function 35 VOX function 35 Meter function 36 SWR reading 36 Speech compressor 37 Preamp 37 Digital voice recorder 38 RTTY decoder 42 RTTY tuning meter 42 Electronic CW keyer 43 Memory keyer 44 Spectrum scope screen 45 Automatic antenna selection 46 Dial lock function 46 Repeater operation 47 Tone squelch operation 48 Antenna tuner operation 49 Optional external tuner operation 50 6 MEMORY O...

Страница 4: ...mode p 43 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 43 4 channel memory keyer is available for your conve nience p 44 t MICROPHONE CONNECTOR MIC Accepts the supplied or optional microphone See p 84 for appropriate microphones See p 9 for microphone connector information y AF CONTROL AF inner control...

Страница 5: ...ed The noise blanker reduces pulse type noise such as that generated by automobile igni tion systems This function cannot be used for FM or non pulse type noise Enters the noise blanker level set mode when pushed for 1 sec 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 Monit...

Страница 6: ... filter set mode when pushed for 1 sec 3 EXIT SET SWITCH EXIT SET Exits from a set mode etc when pushed Selects the set mode screen when pushed for 1 sec p 64 4 REC PLAY SWITCH REC PLAY p 38 Play back the recorded audio in the channel R4 of the voice memory when pushed Records the receiving signal contents into the channel R4 max 15 sec of the voice memory when pushed for 1 sec 5 TUNING DIAL p 23 ...

Страница 7: ...trols receiver gain to produce a constant audio output level even when the received signal strength is varied by fading etc Select FAST for tuning and select MID or SLOW depending on the receiving condition Turns the VOX function ON and OFF when pushed in non CW modes p 35 Enters the VOX set mode when pushed for 1 sec in non CW modes p 35 What is the VOX function The VOX function voice operated tr...

Страница 8: ... Adds the TX shift frequency to the operating frequency when pushed for 1 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 4 CLEAR SWITCH CLEAR p 34 Clears the RIT TX shift frequency when pushed for 1 sec or when pushed momentarily depending on the quick RIT TX clear function sett...

Страница 9: ...expanded from 5 to 10 in set mode for your convenience p 71 2 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 23 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 is...

Страница 10: ...nged in programmed 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 1 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 1 sec 3 TRANSMIT FREQUENCY CHECK SWITCH X...

Страница 11: ...HES UP DN Change the selected readout frequency or memory channel Continuous pushing changes the frequency or memory channel number continuously While pushing XFC the transmit readout frequency can be controlled while in spilt frequency operation The UP DN switch can simulate a key paddle Preset in the keyer set mode p 43 w PTT SWITCH Push and hold to transmit release to receive q w q w e r t y u ...

Страница 12: ...NCY READOUTS p 23 Show the operating frequency Outline characters are used for non accessing readout o CLOCK READOUT p 62 Shows the current time 0 RTTY TUNING INDICATOR p 42 Shows the tuning level in RTTY mode 1 QUICK TUNING INDICATOR p 24 Appears when the quick tuning step function is in use 2 PASSBAND WIDTH INDICATOR p 25 Graphically displays the passband width for twin PBT operation and center ...

Страница 13: ...9 9 9 9 9 M H z 2 9 9 9 9 9 9 M H z MEMO MEMO F SELECT SELECT F SPAN F SPAN SET SET THRESHOLD 9 RTTY RTTY FIL FIL ON ON AGC AGC MID MID RTTY DECODE RTTY DECODE MEMORY KEYER MEMORY KEYER RTTY Decode Monitor RTTY Decode Monitor 45bps BAUDOT Mark 2125 Shift 170 45bps BAUDOT Mark 2125 Shift 170 UnShift On Space support SET OTHERS UnShift On Space support SET OTHERS New Line Code selectable SET OTHERS ...

Страница 14: ...ug ELEC KEY on the front panel can be used for a straight key or external electronic keyer Deactivate the internal electronic keyer in keyer set mode p 43 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 functio...

Страница 15: ...n transmitting Output current Less than 20 mA When grounded transmits Input current Tx Less than 200 mA Connected in parallel with ACC 2 pin 3 4 MOD Modulator input Input impedance 10 kΩ Connects to a modulator Input level Approx 100 mV rms AF detector output Output impedance 4 7 kΩ 5 AF Fixed regardless of AF position Output level 100 300 mV rms in default settings see notes below 6 SQLS Squelch ...

Страница 16: ...sion 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 connec...

Страница 17: ... GENE 50 F INP MW M CL TS XFC i756PRO TIMER POWER TRANSMIT PHONES ELEC KEY MIC TUNER MONITOR NB NR AF BAL NR RF SQL MIC GAIN RF POWER COMP KEY SPEED BK IN DELAY HF 50MHz TRANSCEIVER CW KEY A straight key can be used when the internal electronic keyer is turned OFF in keyer set mode p 43 MICROPHONES p 84 SM 20 HM 36 GROUND p 14 Use the heaviest gauge wire or strap available and make the connection ...

Страница 18: ... i756PRO TIMER POWER TRANSMIT PHONES ELEC KEY MIC TUNER MONITOR NB NR AF BAL NR RF SQL MIC GAIN RF POWER COMP KEY SPEED BK IN DELAY HF 50MHz TRANSCEIVER HEADPHONES MIC The AFSK modulation signal can be input from MIC p 20 ANTENNA 1 2 pgs 18 19 Connects a linear amplifier antenna selector etc EXTERNAL SPEAKER p 84 ACC SOCKETS pgs 13 20 RX ANTENNA TRANSVERTER p 19 Connects a transverter for V UHF ba...

Страница 19: ...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 at least 23 A Black _ Red Transceiver CONNECTING A VEHICLE BATTERY 12 V battery Supplied DC power cable red _ black Crimp Solder Grommet NEVER connect to a 24 V battery NOTE Use terminals for the cable connections NEV...

Страница 20: ...le to the 7 pin ACC 2 jack Coaxial cable supplied with the IC PW1 Coaxial cable optional Connect INPUT2 if necessary CONNECTING A NON ICOM LINEAR AMPLIFIER R WARNING Set the transceiver output power and linear amplifier ALC output level referring 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 volt age Non...

Страница 21: ...nna connectors do not receive or trans mit any signals p 13 While receiving the XVERT jack can be activated as an input terminal from an external transverter While transmitting the XVERT jack outputs signals of the displayed frequency at 20 dBm 22 mV as signals for the external transverter Transverter jack Transverter jack information Coaxial cable from the AH 4 or AH 3 ANT1 Control cable Transcei...

Страница 22: ...t the SQUELCH line when required Terminal Node Controller TNC or Scan converter MIC connector Front panel view 1 2 3 4 5 6 7 8 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 23: ...LCD may appear dark and unstable after turning power ON This is normal and does not indicate any equipment mal function CW Max clockwise CCW Max counterclockwise When first applying power CPU resetting POWER M CL F INP 1 FAST in FM mode 2 Appears in some modes POWER OFF TUNER MONITOR NB NR OFF AF Max CCW RF SQL 12 o clock MIC GAIN 10 12 o clock RF POWER Max CW ANT 1 METER Po P AMP 1 ATT OFF PBT CL...

Страница 24: ...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 METER METER Po Po ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po ANT ANT 1 BW BW 2 ...

Страница 25: ... pp TX TX 1 CW CW wq wpp pp 21 076 50 21 076 50 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 If the dial lock function is activated the lock indicator lig...

Страница 26: ...l rapidly the quick tuning step is automatically selected by the auto tuning step function The auto tuning step function can be turned OFF in set mode p 72 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 pro...

Страница 27: ...0 Hz steps in AM TWIN PBT 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 The following modes are available in the IC 756PROII SSB LSB USB CW CW R CW reverse...

Страница 28: ... noise may be heard This comes from the DSP unit and does not indicate an equipment malfunction Unwanted tone frequency Desired signal AF Desired signal AF Particular frequency is attenuated Auto notch OFF Auto notch ON Noise reduction The noise reduction function reduces noise compo nents and picks out desired signals which are buried in noise The received signals are converted to digital signals...

Страница 29: ...OX VOX ON ON COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID NB NB NB Level NB Level 50 50 DEF DEF DSP filter shape The type of DSP filter shape for each SSB and CW can be selected independently from soft and sharp q Push the EXIT SET several times to close a multi function screen if necessary w Push the EXIT SET switch for 1 sec to enter set mode e Push the F 3 DSP switch to enter the DSP filter set ...

Страница 30: ...peak filter is turned ON u Rotate the tuning dial to turn the twin peak filter function ON or OFF i Push EXIT SET to exit the RTTY filter set mode 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 METER METER Po Po ANT ANT 1 RTTY FIL CW RTTY TPF indicator RTTY reverse mode Received characters are occasionally garbled when the receive sign...

Страница 31: ...TTY filter by push ing RTTY FIL e Push FILTER for 1 sec to enter filter set mode r Push FILTER several times to select the desired 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 3600 Hz 100 Hz steps In RTTY mode the passband width can be set within...

Страница 32: ...ue u Push 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 i if desired 0 Push EXIT SET to exit the AGC set mode screen DEF DEF SFT SFT 0 FIL2 FIL2 USB USB qw pp TX TX VFO V...

Страница 33: ...an 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 1 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 SET several times to close a multi func t...

Страница 34: ...PLE 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 func tions to change the transmit frequency only The split loc...

Страница 35: ...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 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 FIL2 wq wop pp 14 100 00 14 100 00 14 100 00 14 100 00 VFO VFO qr wpt pp 1 1...

Страница 36: ... 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 p pp RIT 1 VFO VFO ANT ANT 1 METER METER Po Po P AMP P AMP 1 Reset to 0 00 RIT TX Low shift High shift 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 1 VFO VFO ANT ANT 1 METER METER Po Po P AMP P AMP 1 RIT appears When RIT and TX are ON at the same time the...

Страница 37: ...0dB 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 switches between transmit and receive with your voice This function provides an opportunity to input log entries into your computer etc while operating Using the VOX function q Select a phone m...

Страница 38: ...ER MULTI FUNCTION METER ANT ANT 1 COMP COMP OFF OFF WIDE WIDE METER METER Po Po P AMP P AMP 1 AGC AGC MID MID ATT ATT OFF OFF VOX VOX OFF OFF 0 5 10 15 20 dB METER switch SWR reading The SWR meter indicates the SWR over the trans mission line in all modes q Push TUNER to turn the antenna tuner OFF w Push METER several times to select the Po meter e Push CW RTTY once or twice to select RTTY mode r ...

Страница 39: ...er reads within 10 dB and 20 dB When the ALC meter peaks above the ALC zone your transmitted voice may be distorted METER switch COMP switch MIC GAIN control COMP control RF POWER control SWR S COMP ALC Po 0 10 10 25 50 100 20 1 0 1 5 2 3 1 5 9 20 40 60dB dB COMP meter Preamp The preamp amplifies received signals in the front end circuit to improve the S N ratio and sensitivity The transceiver has...

Страница 40: ...io will be over recorded with the last 5 sec so that the total of audio recorded is 15 sec only y Push EXIT SET twice to exit the voice memory screen Playing the recorded audio q Push EXIT SET several times to close a multi function screen if necessary w Push F 2 VOICE to call up the voice recorder screen If the transmit voice memory channel T1 T4 appears push F 5 T R to select receive voice memor...

Страница 41: ... R4 can be play back without selecting the voice memory screen q Push REC PLAY to playback PLAY appears Playback the recorded audio in the channel R4 w Push REC PLAY again to stop playback if de sired Playback is terminated automatically when all of the recorded contents in the channel R4 are played or after 15 sec BW BW 2 4k 2 4k SFT SFT 0 FIL2 FIL2 USB USB R E C R E C qw pp TX TX VFO VFO USB USB...

Страница 42: ... blinks r Push F 5 T1 T4 several times to select the de sired 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 selected character Push F 4 SPACE to input a space Pushing ...

Страница 43: ...Push EXIT SET to return to the voice recorder screen Transmit level setting q Call up the voice recorder screen 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 switch 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 cond...

Страница 44: ...OFF OFF Please Please turn turn ON ON RTTY DECODE RTTY DECODE 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 AGC AGC MID MID 1 4 1 4 OFF OFF RTTY RTTY FIL FIL ON ON METER METER Po Po P AMP P AMP 1 ATT ATT OFF OFF ANT ANT 1 HOLD HOLD CLR CLR ADJ ADJ WIDE WIDE RTTY RTTY Decode Decode Monitor Monitor 45bp...

Страница 45: ... OFF DEF DEF Keyer Keyer 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 KEYER CW KEY KEYER CW KEY é è AGC AGC MID MID 1 4 1 4 OFF OFF BK IN BK IN OFF OFF DEF DEF Keyer Keyer Repeat Repeat Time Time 2s 2s Dot Dash ...

Страница 46: ... number can be automatically transmitted from one of the memory keyer channels The Morse cut numbers can be used as the contact numbers The maximum number for contact numbers is 9999 q Push EXIT SET several times if necessary w Push CW RTTY to select CW mode e Push F 3 KEYER then EXIT SET to select keyer set mode r Push F 3 001 to enter contact number screen t Rotate the tuning dial to select the ...

Страница 47: ... 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 SET to exit spectrum scope set mode If a strong signal is received a g...

Страница 48: ...he 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 an external antenna selector for more than 3 antennas except for receive antenna When using an external antenna tuner DEF...

Страница 49: ...elect FM mode w Push TONE for 1 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 SET 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 T SCAN T SCAN é è DEF DEF TONE FREQUENCY TONE FREQUENCY ...

Страница 50: ...to select the desired tone squelch frequency t Push EXIT SET 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 T SCAN T SCAN 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 TONE TONE AGC AGC FAST FAST VOX VOX OFF OFF BW BW...

Страница 51: ...atically when the SWR exceeds 1 5 1 This function is turned ON in set mode p 70 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 70 NOTES If the tuner cannot ...

Страница 52: ...d selected The AH 3 can be used for HF bands only It can not be used for 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 use with the AH 4 Set the desired fre quency in an HF band for use with the AH 3 The AH 4 AH 3 will no...

Страница 53: ...r qot pp 14 100 00 14 100 00 BPF BPF 1 VFO VFO BW BW 500 500 SFT SFT 0 FIL2 FIL2 USB USB qw pp TX TX CW CW qr qpp pp 14 195 00 14 195 00 VFO VFO 1 BW BW 2 4k 2 4k SFT SFT 0 FIL2 FIL2 USB USB qw pp TX TX wr oyp pp 12 12 BW BW 2 4k 2 4k CW CW 14 195 00 14 195 00 VFO VFO ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po VFO MEMO or F INP ENT SFT SFT 0 FIL2 FIL2 USB U...

Страница 54: ...XIT SET to exit the memory channel screen Setting select memory channels is also possible in the scan screen ROLL ROLL SET SET SELECT SELECT NAME NAME WIDE WIDE SFT SFT 0 FIL2 FIL2 USB USB qw pp 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 1ß ß VFO VFO BW BW 2 4k 2 4k 9 9 9 9 P 1 P 1 0 5 0 0 0 0 0 5 0 0 0 0 L S B L S B F L 2 F L 2 S ...

Страница 55: ...0 12 12 VFO VFO BW BW 2 4k 2 4k ANT ANT 1 METER METER Po ANT ANT 1 METER METER Po ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po 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 56: ...6 16 VFO VFO BW BW 500 500 BPF BPF ANT ANT 1 METER METER Po ANT ANT 1 METER METER Po Po ANT ANT 1 METER METER Po Po VFO MEMO Transferring in memory mode This is useful for transferring frequency and operat ing 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 an...

Страница 57: ... B L S B F L 2 F L 2 S C A N E D G E 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 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 ROLL ROLL SET SET SELECT SELECT NAME NAME WIDE WIDE SFT SFT 0 FIL2 FIL2 USB USB qw pp T...

Страница 58: ...est 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 sev eral times Both VFO and memory modes can be used The frequency and operating mode are called up startin...

Страница 59: ... p 31 for details PROGRAMMED SCAN Repeatedly scans between two scan edge frequencies scan edge memory channels P1 and P2 This scan operates in VFO mode SELECT MEMORY SCAN Repeatedly scans all select memory channels F SCAN Repeatedly scans within F span area This scan operates in memory mode This scan operates in memory mode This scan operates in both VFO and memory modes Scan Scan edge P1 or P2 Sc...

Страница 60: ... 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 SET several 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 5 SCAN to select the scan screen t Set RF SQL open or closed See previous page for scan conditio...

Страница 61: ... 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 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 contro...

Страница 62: ...OFF MEMO MEMO F SELECT SELECT F SPAN F SPAN SET SET 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 SET several times to close a multi function screen if necessary w Select memory mode e Push F 5 SCA...

Страница 63: ...F SPAN SET SET SCAN SCAN COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID VOX VOX OFF OFF 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 Tone scan The transceiver can detect the subaudible tone fre quency in a received signal By monitoring a sign...

Страница 64: ... 100 00 14 100 00 1 1 VFO VFO BW BW 2 4k 2 4k TIME SET TIME SET é è Time Time Now Now 12 00 12 00 Timer Timer Function Function ON ON Power ON Power ON Timer Timer Set Set 0 00 0 00 Power OFF Power OFF Period Period 60min 60min ANT ANT 1 COMP COMP OFF OFF WIDE WIDE METER METER Po Po P AMP P AMP 1 AGC AGC MID MID ATT ATT OFF OFF VOX VOX OFF OFF Timer function activity The timer functions can be swi...

Страница 65: ...en the timer function is ON e Push POWER for 1 sec to turn the power OFF The POWER light lights continuously r When the set time arrives the power is automati cally turned ON t The transceiver emits 10 beeps and turns OFF after the power off period elapses The POWER light blinks while beeping Push POWER momentarily to cancel the power off timer if desired The timer function in timer set mode must ...

Страница 66: ...OICE VOICE KEYER KEYER MEMORY MEMORY SCAN SCAN LEVEL LEVEL DISP DISP DSP DSP TIME TIME OTHERS OTHERS é è DEF DEF é è DEF DEF WIDE WIDE é è DEF DEF WIDE WIDE SSB FIL SSB FIL CW FIL CW FIL é è DSP FILTER SET DSP FILTER SET SHARP SHARP SSB SSB SHARP CW METER METER Po Po P AMP P AMP 1 ATT ATT 0FF 0FF BK IN BK IN OFF OFF 1 4 1 4 OFF OFF AGC AGC MID MID ANT ANT 1 EXIT SET Push for 1 sec SFT SFT 0 FIL2 F...

Страница 67: ...olume level for confirmation beep tones from 0 to 100 in 1 steps When beep tones are turned OFF this setting has no effect 50 50 default B Be ee ep p L Le ev ve el l L Li im mi it t 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 ...

Страница 68: ... from 1 to 8 4 Horizontal position is 4 default B Ba ac ck kl li ig gh ht t S Sw wi it tc ch he es s This item adjusts the brightness of the switches from 1 to 8 8 Backlight level is 8 Maximum default D Di is sp pl la ay y T Ty yp pe e This item sets the LCD screen type There are 8 se lectable types A B C D E F G and H A A A type LCD screen default D Di is sp pl la ay y F Fo on nt t This item sets...

Страница 69: ...T FOR 10sec i756PRO i756PRO i756PRO JA3YUA ç å DEL DEL SPACE SPACE WIDE WIDE DISPLAY SET 123 123 ABC ABC 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 é è EDIT WIDE WIDE DISPLAY SET VOX VOX OFF OFF COMP COMP OFF OFF WIDE WIDE AGC AGC MID MID Bright LCD 50 Horizon 4 Backlight Switches 8 D...

Страница 70: ...me See p 63 for details 1 15 5 0 00 0 Push F 4 SET to enter the time Miscellaneous others set mode C Ca al li ib br ra at ti io on n M Ma ar rk ke er r This item is used for a simple frequency check of the transceiver See p 77 for calibration procedure Turn the calibration marker OFF after checking the frequency of the transceiver O ON N Calibration marker ON O OF FF F Calibration marker OFF defau...

Страница 71: ...and RTTY squelch control in AM and FM F FM M S SP PL LI IT T O Of ff fs se et t H HF F This item sets the offset difference between transmit and receive frequencies for the quick split function However this setting is used for HF bands in FM mode only and is used to input the repeater offset for an HF band The offset frequency can be set from 4 MHz to 4 MHz in 1 kHz steps 0 0 1 10 00 0M MH Hz z Mi...

Страница 72: ...h This item adjusts the RTTY shift width There are 3 selectable values 170 200 and 425 Hz 1 17 70 0 170 Hz RTTY shift frequency default 4 42 25 5 425 Hz RTTY shift frequency R RT TT TY Y K Ke ey yi in ng g P Po ol la ar ri it ty y This item selects the RTTY keying polarity Normal or reverse keying polarity can be selected When reverse polarity is selected Mark and Space are reversed Normal Key ope...

Страница 73: ...gl li is sh h English announcement default J Ja ap pa an ne es se e Japanese announcement S SP PE EE EC CH H S Sp pe ee ed d When the optional UT 102 VOICE SYNTHESIZER UNIT is installed you can select between faster or slower synthesizer output See p 74 for unit installation H HI IG GH H Faster announcement default L LO OW W Slower announcement S SP PE EE EC CH H S S L Le ev ve el l When the optio...

Страница 74: ...etween SSB and CW The frequency shifting value may differ according to the CW pitch setting O ON N The displayed frequency shifts when the operating mode is changed between SSB and CW O OF FF F The displayed frequency does not shift default C CW W N No or rm ma al l S Si id de e Selects the carrier point of CW mode from LSB and USB L LS SB B The carrier point is set to LSB side default U US SB B T...

Страница 75: ...hen Auto is selected the baud rate is automati cally set according to the connected controller or re mote controller A Au ut to o Auto baud rate default 1 19 92 20 00 0 19200 bps C CI I V V A Ad dd dr re es ss s To distinguish equipment each CI V transceiver has its own Icom standard address in hexadecimal code The IC 756PROII s address is 64h When 2 or more IC 756PROII s are connected to an optio...

Страница 76: ... 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 Adjust the trimmer SPCH to set the speech level if desired Refer to inside views on p 78 t Return the top and bottom covers to their original positions U T 1...

Страница 77: ...ogrammed subaudible tone frequency is wrong Squelch is open RF SQL is assigned to RF gain control and squelch is open The same frequencies have been programmed in scan edge memory channels P1 and P2 2 or more memory channels have not been programmed 2 or more memory channels have not been designated as select channels Re connect the DC power cable correctly Check for the cause then replace the fus...

Страница 78: ...nsmits and receives normally but cannot re tain the current time See p 78 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 756PROII 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 74 w Remove 11 screws from the PA shielding plate then r...

Страница 79: ... for 9 999 00 MHz Other standard frequencies can also be used r Push EXIT SET several times to close a multi function screen if necessary t Push EXIT SET for 1 sec to select the set mode screen y Push F 5 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 ma...

Страница 80: ...IEWS 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 voice synthesizer level adj Bottom view ...

Страница 81: ...fixed Controller s default address Transceiver s default address OK code fixed End of message code fixed NG message to controller NG code fixed IC 756PROII to controller q w e r t y u FE FE E0 64 Cn Sc Data area FD q w e r t y u Remote jack CI V information 9 15 V DC personal computer ct 17 BC 25 optional IC 756PROII mini plug cable Command table Command Sub command Description 00 Send frequency d...

Страница 82: ...ata BK IN DELAY setting 0 short delay to 255 long delay 10 Level data BAL level setting 0 max CCW 128 center 255 max CW 15 01 Read squelch condition 02 Read S meter level Command Sub command Description 16 02 Preamp 0 OFF 1 preamp 1 2 preamp 2 12 AGC selection 1 Fast 2 Mid 3 Slow 22 Noise blanker 0 OFF 1 ON 40 Noise reduction 0 OFF 1 ON 41 Auto notch 0 OFF 1 ON 42 Repeater tone 0 OFF 1 ON 43 Tone ...

Страница 83: ... 1B 00 Set repeater tone frequency 01 Set tone squelch tone frequency 1C 00 Set the transceiver to receive or transmit condition 0 Rx 1 Tx Command Sub command Description 1A 0518 Send read power OFF period 5 5 min to 120 120 min in 5 min step 0519 Send read calibration marker 0 OFF 1 ON 0520 Send read confirmation beep 0 OFF 1 ON 0521 Send read band edge beep 0 OFF 1 ON 0522 Send read RF SQL contr...

Страница 84: ... 0 fixed 100 kHz digit 0 9 10 kHz digit 0 9 10 MHz digit 0 fixed 1 MHz digit 0 4 Direction 00 direction 01 direction q 0 X X X X XX w e 0 r 82 13 CONTROL COMMAND Code Frequency band Frequency range unit MHz 01 1 8 1 800000 1 999999 02 3 5 3 400000 4 099999 03 7 6 900000 7 499999 04 10 9 900000 10 499999 05 14 13 900000 14 499999 06 18 17 900000 18 499999 07 21 20 900000 21 499999 08 24 24 400000 2...

Страница 85: ...rophone connector 8 pin connector 600 Ω ELEC KEY 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 d...

Страница 86: ... 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 HM 36 HAND MICROPHONE Hand microphone equipped with UP DOWN switches UT 102 VOICE SYNTHESIZER UNIT Announces the receive frequency mode and S meter level in a clear electroni cally generated voice in English or Japanese SP 20 EXT...

Страница 87: ...that radiation vertically downwards is at unity gain sidelobe suppression is equal to main lobe gain This is true of almost every gain antenna today Exposed persons are assumed to be beneath the antenna array and have a typical height to 1 8 m The figures assume the worst case emission of con stant carrier For the bands 10 MHz and higher the following power density limits have been recommended 10 ...

Страница 88: ...Intended Country of Use GER NED ITA AUT BEL GRE GBR LUX SWE IRL ESP DEN FRA POR FIN SUI IC 756PROII 25 Denmark Intended Country of Use GER NED ITA AUT BEL GRE GBR LUX SWE IRL ESP DEN FRA POR FIN SUI IC 756PROII 28 Italy Intended Country of Use GER NED ITA AUT BEL GRE GBR LUX SWE IRL ESP DEN FRA POR FIN SUI IC 756PROII 30 Spain 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6072H 1EX w Printed ...

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