Icom i746PRO Скачать руководство пользователя | Manualshive

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IX

QUICK REFERENCE GUIDE

2001 NEW

2001 NEW

Once you have mastered your filter settings, one last
feature to enable the most intelligible audio is the ac-
tual audio tone you hear. You can adjust the equal-
ization of your received audio ±5dB.

q

Push [MENU] several times, or until

M2

is shown

on the display.

w

Push [F4

TCN

] for the Tone Control set mode.

e

Push the appropriate mode switch to adjust SSB,
AM or FM.

r

Push [F1

≤

] or [F2

≥

] to change to the desired

component.

[F1

≤

]

Tuning dial

[MENU]

[F2

≥

] [F4

TCN

]

3. RX Tone Control:

1.

RX Bass

This item adjusts the bass level of the receive audio
tone from –5 dB to +5 dB in 1 dB steps.

R X B a s s S S B

O

3

2.

RX Treble

This item adjusts the treble level of the receive audio
tone from –5 dB to +5 dB in 1 dB steps.

R X T r e b l e S S B

O

4

We hope these pointers have been helpful. Now you
are ready for the “Ready to call CQ?”.

■

Ready to call CQ?

The 32-bit DSP in your IC-746PRO is capable of al-
lowing you to selects transmit audio for phone modes.

POWER

TRANSMIT

PHONES

ELEC-KEY

MIC

NR

A

/NOTCH

TUNER

ANT

HF/VHF TRANSCEIVER

NR

NOTCH

AF

MIC GAIN

RF PWR

CW PITCH

F 1

F 2

F 3

F 4

F 5

XFC

MP-W

GENE

50

0

21

7

24

8

28

9

14

5

10

4

18

6

3.5

2

1.8

1

7

3

144

ENT

MP-R

TX

RX

LOCK

TWIN PBT

M-CH

RIT

CLEAR

∂

TX

RIT/

∂

TX

TS

SPLIT

PBTC

F-INP

A /B

V / M

MW

M-CL

KEY SPEED

P.AMP/ATT

NB

VOX/BK-IN

MONITOR

CALL

LOCK/

SPCH

RF/SQL

i746PRO

MENU

SSB

CW/RTTY

AM/FM

FILTER

[NR]: Max. CCW

[NOTCH]: Max. CCW

[AF]: Max. CCW

[TRANSMIT]: OFF

[MIC GAIN]: Max. CCW

[RF PWR]: Max. CCW

[CW PITCH]: 12 o’clock

[RF/SQL]: 12 o’clock

[KEY SPEED]: Max. CCW

1. Setting up your transmit audio

2. Mic Gain

The microphone gain is used for proper transmit
audio level for full output power.

IC-746PRO.qxd 02.4.2 11:31 Page IX

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Содержание i746PRO

Страница 1: ...evice 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 recei...

Страница 2: ...y AC to the DC13 8V jack on the trans ceiver rear panel This could cause a fire or ruin the trans ceiver RNEVER apply more than 16 V DC such as a 24 V battery to the DC13 8V jack on the transceiver re...

Страница 3: ...Notch function 53 Dial lock function 53 Voice squelch control function 54 6 FUNCTIONS FOR TRANSMIT 55 61 VOX function 55 Break in function 56 TX function 57 Monitor function 57 Speech compressor 58 Tr...

Страница 4: ...l dealer for more information and recommendations RWARNING NEVER ground station equip ment or antennas to house gas lines NEVER at tach ground lines to plastic pvc pipe D D Some Symptoms if inadequate...

Страница 5: ...mm 9 8 in 10 mm 3 8 in 1 2 mm 1 16 in R WARNING Although a mag mount antenna works great on a vehicle DO NOT use the IC 746PRO with this type of antenna CAUTION Although your IC 746PRO has protec tion...

Страница 6: ...IC 746PRO a Iambic Key paddle Use a 6 35 d mm 1 4 stereo plug and connect to the ELEC KEY jack located on the front of the radio b Straight Key Use a 6 35 d mm 1 4 mono plug and connect key to the ba...

Страница 7: ...ockwise MIC GAIN The mic gain fully counter clock wise RF SQL The control for the RF Gain and Squelch circuits 12 o clock CW PITCH The control for the CW pitch 12 o clock KEY SPEED Internal CW Keyer S...

Страница 8: ...you want to oper ate You will notice the tuning speed TS is 10 Hz res olution Page 22 will instruct you on how to set the tuning speed TS for 1 Hz resolution NOTE Although you can directly enter the...

Страница 9: ...nce the NR control will determine how much the noise can be effectively reduced Turning the control too far clockwise may cause some distortion to occur on the received signal The NR control should on...

Страница 10: ...le also taking this in terference out of the AGC Bottom line this will ei ther eliminate or greatly reduce the pumping of the AGC from the interfering signal AGC DUP CMP TBW SCP A NOTCH NOTCH Notch fu...

Страница 11: ...row both filters thus the filter shape is not nar rowed You may hear some signal artifacts pass through this filter adjustment PBT operation example BW Filter set mode indication Shows the selected fi...

Страница 12: ...in 1 dB steps RX Treble SSB O 4 We hope these pointers have been helpful Now you are ready for the Ready to call CQ Ready to call CQ The 32 bit DSP in your IC 746PRO is capable of al lowing you to sel...

Страница 13: ...s equipped with a very powerful equalizer system with 121 possible combinations This is achieved by using the separate bass and treble ad justments The default for both the Base and Treble is at 0 dB...

Страница 14: ...propriate microphones See p 12 for microphone connector information y RF GAIN CONTROL SQUELCH CONTROL RF SQL outer control Adjusts the RF gain and squelch threshold level The squelch removes noise out...

Страница 15: ...can be set 2 AUTO NOTCH MANUAL NOTCH SWITCH A NOTCH p 53 Toggles the notch function between manual and au tomatic when pushed NOTCH appears when manual A NOTCH appears when automatic notch is selected...

Страница 16: ...es high gain preamp for 24 MHz band and above Push for 1 sec to toggle the attenuator function ON and OFF What is the preamp The preamp amplifies received signals in the front end cir cuit to improve...

Страница 17: ...Hz in 10 Hz steps 0 RIT SWITCH RIT p 48 Turns the RIT function ON and OFF when pushed Use the RIT TX control to vary the RIT frequency Adds the RIT shift frequency to the operating fre quency when pus...

Страница 18: ...X Lights green while receiving a signal and when the squelch is open 3 LOCK INDICATOR LOCK p 53 Lights when the dial lock function is activated 4 QUICK TUNING SWITCH TS p 21 Turns the quick tuning ste...

Страница 19: ...BT control General PBT function electronically narrows the IF passband width to reject interference This transceiver uses the DSP circuit for the PBT function 8 SPLIT INDICATOR p 59 Lights during spli...

Страница 20: ...ntrol level 16 V DC 0 5 A CAUTION Be sure the linear amplifiers keying cir cuit control voltage is compatible to the IC 746PRO before connecting to SEND o ALC INPUT JACK ALC p 17 Connects to the ALC o...

Страница 21: ...nected in parallel with ACC 2 pin 5 ACC 2 PIN No NAME DESCRIPTION SPECIFICATIONS 1 2 3 4 5 6 7 1 8 V Regulated 8 V output Output voltage 8 V 0 3 V Output current Less than 10 mA 2 GND Same as ACC 1 pi...

Страница 22: ...L INDICATOR p 72 Appears when the selected memory channel is set as a select memory channel o BLANK MEMORY INDICATOR p 62 Appears when the selected memory channel is blank 0 1 4 TUNING DIAL SPEED INDI...

Страница 23: ...ivated 1 DTCS INDICATOR p 43 Appears during DTCS operation 2 TONE SQUELCH INDICATORS T appears when the repeater tone is activated p 44 TSQL appears during tone squelch operation p 42 3 DUPLEX INDICAT...

Страница 24: ...TH p 58 Push to select the transmission bandwidth Bandwidth is selectable from narrow middle and wide MEMORY KEYER MENU p 29 Push to select the memory keyer or keyer send menu depending on the KEYER 1...

Страница 25: ...TION 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 Icom microphone y GND PTT groun...

Страница 26: ...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 antenna an...

Страница 27: ...TRANSMIT PHONES ELEC KEY MIC TUNER ANT NR NOTCH AF RF SQL NR A NOTCH CW KEY MICROPHONES p 101 A straight key can be used when the internal electronic keyer is turned OFF in keyer set mode p 34 HM 36 S...

Страница 28: ...IT PBTC F INP A B V M MW M CL KEY SPEED P AMP ATT NB VOX BK IN MONITOR CALL LOCK SPCH RF SQL i746PRO MENU SSB CW RTTY AM FM FILTER HEADPHONES MIC The AFSK modulation signal can be input from MIC p 78...

Страница 29: ...le 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 NEVER connect to a battery without supplied DC fus...

Страница 30: ...ear amplifier The specifications for the SEND relay are 16 V DC 0 5 A If this level is exceeded a large external relay must be used External antenna tuner connections CONNECTING THE AH 4 The AH 4 must...

Страница 31: ...all programmed contents in memory channels and returns programmed values in set mode to default values 3 18 BASIC OPERATION When first applying power CPU resetting Initial settings After resetting the...

Страница 32: ...g register When a fourth frequency and operating mode are se lected on a band the first register set in step q is over written Band keys BAND REGISTER 1 REGISTER 2 REGISTER 3 1 8 MHz 1 900000 MHz CW 1...

Страница 33: ...de for your operation D DSelecting the VFO A B Push A B to switch between the VFO A and VFO B VFO A or VFO B appears D DVFO equalization Push A B for 1 sec to equalize the undisplayed VFO condition to...

Страница 34: ...unction appears e Push TS for 1 sec to enter the tuning step set mode r Rotate the tuning dial to select the desired tuning step t Push TS to exit the tuning step set mode D D1 4 Tuning step function...

Страница 35: ...et mode if de sired p 82 D DFrequency setting with the keypad The transceiver has a keypad for direct frequency entry as described below q Push F INP F INP indicator lights w Input the desired frequen...

Страница 36: ...Hz operation After USB or LSB is selected push SSB to toggle be tween USB and LSB After USB or LSB is selected push SSB for 1 sec to select USB data or LSB data mode respectively Selecting CW RTTY mod...

Страница 37: ...pears RX indicator light goes out Rotating RF SQL past the threshold point invokes the S meter squelch this allows you to set a minimum signal level needed to open the squelch When setting as RF gain...

Страница 38: ...t cause inter ference to other stations on the same frequency q Push PTT microphone to transmit Talk into the microphone at your normal voice level w While talking into the microphone rotate MIC GAIN...

Страница 39: ...NB for 1 sec to enter noise blanker set mode Noise reduction p 53 Push NR to turn the noise reduction ON and OFF Rotate NR control to adjust the noise reduction level NR appears when the noise reduct...

Страница 40: ...ATT for 1 sec to set the attenuator ON Push P AMP ATT momentarily to turn the attenuator OFF ATT appears when the attenuator is set to ON Noise blanker p 51 Push NB to turn the noise blanker ON and O...

Страница 41: ...changing the operating fre quency D DAbout keying speed The transceiver s internal electronic keyer speed can be adjusted from 6 to 60 wpm Rotate KEY SPEED clockwise to increase keying speed countercl...

Страница 42: ...one of the multi function keys F1 to F5 to select an item in the memory keyer menu See the diagram below Push MENU to return to the previous indication D DIN CW MODE F 1 F 2 F 3 F 4 F 5 F 1 F 2 F 3 F...

Страница 43: ...de push F4 KEY to select the memory keyer menu w Push F2 SND to select the keyer send menu e Push TRANSMIT to set the transceiver to trans mit or set the break in function ON p 56 r Push one of the fu...

Страница 44: ...such as AR Put before a text string such as AR and the string AR is sent with no space is used to insert the CW contact number The contact number automatically increments by 1 This function is only av...

Страница 45: ...slots will have the contest serial number exchange The count up trigger allows the serial number to e automatically in cremented after each complete serial number ex change is sent M1 M2 M3 and M4 can...

Страница 46: ...tput level 0 to 100 in 1 steps can be selected 5O 1 Side Tone Level 2 Side Tone L lmt This item sets the CW side tone level limit When the AF control is rotated above a specified level the CW side ton...

Страница 47: ...nd reverse polarity can be selected NORMAL 6 Paddle Polarity 7 Keyer Type This item selects the keyer type for ELEC KEY con nector on the front panel ELEC KEY BUG KEY and Straight key can be selected...

Страница 48: ...8 Push P AMP ATT several times to set the pre amp OFF preamp 1 ON or preamp 2 ON P AMP1 P AMP2 or P AMP appears when the preamp 1 preamp 2 or preamp is set to ON respec tively depending on operating f...

Страница 49: ...25 1 RTTY Mark 35O 1 Band Width ADJ RTTY FIL ON DEC FIL SET RTTY menu RTTY decoder screen p 38 RTTY filter set mode p 37 RTTY set mode p 39 Push F4 Push F4 for 1 sec Switches RTTY filter ON and OFF Pu...

Страница 50: ...3 disappears t Push F4 FIL for 1 sec to enter RTTY filter set mode see below y Push F1 to select bandwidth item u Rotate the tuning dial to select the RTTY filter width from 1 kHz 500 Hz 350 Hz 300 Hz...

Страница 51: ...the RTTY fil ter is turned OFF t Push F2 DEC to turn the RTTY decoder ON RTTY decoder screen appears y Push F2 to freeze the current screen H appears while the function is in use u Push F3 for 1 sec...

Страница 52: ...RTTY operation 1275 1615 and 2125 Hz are selectable 2125 1 RTTY Mark 2 RTTY Shift Sets the shift frequency for RTTY operation 170 200 and 425 Hz are selectable 17O 2 RTTY Shift 3 RTTY Keying Selects...

Страница 53: ...to ON Push NB for 1 sec to enter noise blanker set mode Noise reduction p 53 Push NR to turn the noise reduction ON and OFF Rotate NR control to adjust the noise reduction level NR appears when the n...

Страница 54: ...N and OFF NB appears when the noise blanker is set to ON Push NB for 1 sec to enter noise blanker set mode Noise reduction p 53 Push NR to turn the noise reduction ON and OFF Rotate NR control to adju...

Страница 55: ...quency set mode t Push F1 TON several times until TSQL Tone appears if necessary y Rotate the tuning dial to select the desired tone squelch frequency Push F3 for 1 sec to select the default frequency...

Страница 56: ...y is used for receive RN Reversed polarity is used for transmit normal polarity is used for receive RR Reversed polarity is used for both transmit and receive Push F3 for 1 sec to select the default c...

Страница 57: ...600 MHz for 144 MHz band is set by default in set mode p 83 y Push F4 TON to turn the repeater tone ON T appears Set the tone frequency in tone frequency set mode in advance if desired p 45 88 5 Hz i...

Страница 58: ...D DStoring a non standard repeater q Turn the auto repeater function OFF in the set mode p 84 w Push AM FM to select FM mode e Push V M then A B to select VFO A r Rotate the tuning dial to set the rep...

Страница 59: ...r function ON 1 or ON 2 in set mode in advance p 84 When set ON 1 or ON 2 re peater settings are automatically activated according to the table below ON 1 automatically sets the duplex setting and ON...

Страница 60: ...frequency before rotating the tuning dial push F3 for 1 sec If the selected frequency is set outside of the sweeped range flashes y While receiving if you want to update the band con ditions repeat st...

Страница 61: ...RIT to turn the RIT function ON and OFF RIT and the shifting frequency appear when the func tion is ON w Rotate the RIT TX control Push CLEAR for 1 sec to reset the RIT frequency Push CLEAR momentari...

Страница 62: ...l to set the desired time con stant AGC time constant can be set between 0 1 to 8 0 sec depends on mode or turned OFF Push F2 FAST F3 MID or F4 SLOW for 1 sec to se lect a default value each for fast...

Страница 63: ...ect SSB CW or RTTY mode Passband widths for AM and FM modes are fixed and cannot be set w For RTTY mode turn OFF the RTTY filter e Push FILTER for 1 sec to enter filter set mode r Push FILTER several...

Страница 64: ...m car ignitions The noise blanker is not available for FM mode q Push NB to turn the noise blanker ON NB indicator appears w Push NB for 1 sec to enter the NB level set mode e Rotate the tuning dial t...

Страница 65: ...ould normally be set to the center positions PBT setting is cleared when there is no interference NOTE In the center PBT position on CW it it normal for the graphic display s center line to be slightl...

Страница 66: ...ving The manual notch can be set to attenuate a frequency via the NOTCH control Push A NOTCH to toggle the notch function be tween auto manual and OFF in SSB and AM modes Push A NOTCH to turn the manu...

Страница 67: ...1 sec squelch opens If the received signal includes no voice components or the tone of the voice components does not change within 1 sec squelch closes While M2 is selected with MENU push F5 VSC to s...

Страница 68: ...e tun ing dial to the point where the transceiver is contin uously transmitting Push F3 for 1 sec to select the default value y Push F2 to select Anti VOX item u While receiving rotate the tuning dial...

Страница 69: ...from transmit to receive Push VOX BK IN for 1 sec to select break in delay program mode Rotate the tuning dial to select the desired delay Push F3 for 1 sec to select to the default value r Push MENU...

Страница 70: ...time D D TX monitor function When the TX function is ON pushing and holding XFC allows you to monitor the operating frequency di rectly TX is temporarily cancelled Monitor function The monitor functio...

Страница 71: ...ftly or loudly r While speaking into the microphone rotate the tun ing dial so that the COMP meter reads within the COMP zone with your normal voice level Push F3 for 1 sec to select the default value...

Страница 72: ...SCP 21 29OOO Shows transmit VFO B frequency Shows shift frequency and direction AGC DUP CMP TBW SCP 2O OOk While pushing XFC AGC DUP CMP TBW SCP 21 31OOO After setting up CONVENIENT Direct shift frequ...

Страница 73: ...t the split offset frequency in advance in set mode p 83 item 12 The example at right shows the split offset is set to 0 020 MHz Push SPLIT for 1 sec to activate the quick split function The transmit...

Страница 74: ...er 30 e Set the center frequency for the SWR to be mea sured r Push F5 for 1 sec several times to select the de sired measuring step from 10 50 100 and 500 kHz t Push F3 several times to select the de...

Страница 75: ...rammed into a memory channel w Push V M to select memory mode MEMO and contents of the memory channel appear D DIn memory mode q Push V M to select memory mode w Rotate M CH to select a memory channel...

Страница 76: ...a blank channel and does not have contents w Set the desired frequency and operating mode in memory mode To program a blank channel use direct frequency entry with the keypad or memo pads etc e Push...

Страница 77: ...call As with memory channels the call chan nel can also hold split frequencies q Rotate M CH to select the call channel C appears w Select the desired frequency and operating mode to program into the...

Страница 78: ...When you have changed the frequency or operat ing mode in the selected memory channel Displayed frequency and mode are transferred Programmed frequency and mode in the memory channel are not transfer...

Страница 79: ...to P2 q Push V M to select VFO mode if necessary w Rotate M CH to select scan edge P1 e Rotate the tuning dial to set 14 00000 MHz as the lower frequency r Push MW for 1 sec to program 14 00000 MHz in...

Страница 80: ...available Use the keypad to directly input numerals 0 to 9 in cluding a decimal point u Rotate the tuning dial to select the first character for input i Push F2 or F3 to move the cursor forwards or ba...

Страница 81: ...write a 6th or 11th frequency and operating mode the oldest written frequency and operating mode are automatically erased to make room for the new settings D DRecalling a memo pad Push MP R to recall...

Страница 82: ...tween two scan edge frequencies scan edge memory channels P1 and P2 This scan operates in VFO mode SELECT MEMORY SCAN Repeatedly scans all selected memory channels F SCAN Repeatedly scans within F spa...

Страница 83: ...is stopped manually it does not pause on detected sig nals When squelch is closed scan stops when de tecting a signal then resumes according to the scan resume condition Scan speed and the scan resum...

Страница 84: ...the resume VSC setting and the squelch condition i To cancel the scan push F1 PRO Rotating the tuning dial during scan also cancels scan operation If the same frequencies are programmed into the scan...

Страница 85: ...memory channels must be set as the select channel e Push F1 MEM to cancel the scan Rotating the tuning dial during scan also cancels scan operation D DSetting Cancelling select memory channels All mem...

Страница 86: ...or ignores it depending on the VSC resume setting and the squelch condition i Push F2 F to cancel the F scan Rotating the tuning dial during scan also cancels scan operation D DAbout the Fine F scan D...

Страница 87: ...SCAN blinks when repeater tone scan tone squelch scan or DTCS code scan is operated re spectively yWhen a matched tone or code is found the scan pauses and the tone frequency or code is set for the se...

Страница 88: ...the antenna is automatically selected whenever that band is accessed EXAMPLE a 3 5 7 MHz antenna is connected to ANT1 a 21 28 50 MHz antenna is connected to ANT2 When the antenna selector function is...

Страница 89: ...the IC PW1 s tuner tune with the external antenna tuner while the internal tuner is turned OFF After tuning is completed turn the internal tuner ON Otherwise both tuners tune simultaneously and correc...

Страница 90: ...D DAH 4 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 b...

Страница 91: ...k etc See the instruction manual of the application for details When connecting to ACC 1 When using a PC application When using a TNC 1 2 3 4 5 6 7 8 Rear panel view RTTY GND AF SEND RTTY GND AF SEND...

Страница 92: ...operating the TNC When operating in SSB data mode adjust output power so that the ALC reading in the ALC meter stays in the ALC zone NOTE When connecting a TNC to the ACC socket on the rear panel sele...

Страница 93: ...transceiver to a TNC p 78 w Enter a test mode CAL etc on the TNC then transmit some test data e When the transceiver fails to transmit the test data or transmits sporadically TX indicator doesn t ligh...

Страница 94: ...default 50 LCD Contrast 5O 1 3 Beep Level This item adjusts the volume level for confirmation beep tones from 0 to 100 in 1 steps When the beep tones item 6 Beep p 82 are turned OFF this setting has...

Страница 95: ...ontrol can be set as the RF squelch control default the squelch control only RF gain is fixed at maximum or Auto RF gain control in SSB CW and RTTY squelch control in AM and FM RF SQL RF SQL control a...

Страница 96: ...lt 13 OFF SPLIT LOCK 14 DUP Offset HF This item sets the offset difference between transmit and receive frequencies for duplex operation How ever this setting is used to input the repeater offset for...

Страница 97: ...Tune The internal antenna tuner has an automatic start ca pability which starts tuning if the SWR is higher than 1 5 3 1 in the HF bands When OFF is selected the tuner remains OFF even when the SWR is...

Страница 98: ...n Japanese See p 90 for unit installation 23 English SPEECH Language 24 SPEECH Speed When the optional UT 102 VOICE SYNTHESIZER UNIT is installed you can select between faster or slower synthesizer ou...

Страница 99: ...or low can be selected HIGH High speed default 50 tuning steps sec LOW Low speed 25 tuning steps sec 28 HIGH MIC U D Speed 29 Quick RIT Clear This item selects the RIT TX frequency clearing in structi...

Страница 100: ...USB side 33 LSB CW Normal Side 34 KEYER 1st Menu This item selects the appearing menu when F4 KEY is pushed in M1 at first from KEYER Root and KEYER SEND KEYER Root Selects memory keyer menu first de...

Страница 101: ...ytes of frequency data OFF 5 bytes of frequency data default 39 OFF CI V 731 Mode General set mode continued 37 CI V Address To distinguish equipment each CI V transceiver has its own Icom standard ad...

Страница 102: ...uning dial Push F3 for 1 sec to select a default value y Push MENU to exit the set mode D DTone control set mode items F1 Tuning dial MENU F2 F4 TCN 1 TX Bass This item adjusts the bass level of the t...

Страница 103: ...nsceiver upside down r Remove 6 screws from the bottom of the trans ceiver then lift up the bottom cover UT 102 VOICE SYNTHESIZER UNIT The UT 102 announces the accessed readout s fre quency mode etc S...

Страница 104: ...r Remove the supplied internal crystal and replace with the CR 338 t Return the RF unit J1 J121 and J151 to their orig inal positions y Connect a frequency counter to the J262 2LO IN then adjust the r...

Страница 105: ...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 cha...

Страница 106: ...ate then remove the plate e Replace the circuitry fuse as shown in the diagram at right r Replace the PA shielding plate and top cover Tuning dial brake adjustment The tension of the tuning dial may b...

Страница 107: ...e frequencies ex cept for special reasons q Push SSB to select USB mode w Push PBTC for 1 sec to clear the PBT settings and make sure that the RIT TX function is not ac tivated e Set the frequency to...

Страница 108: ...ixed Controller s default address Transceiver s default address OK code fixed End of message code fixed NG message to controller NG code fixed IC 746PRO to controller q w e r t y u FE FE E0 66 Cn Sc D...

Страница 109: ...0 2 0d to 130 13 0d 15 01 Read squelch condition 02 Read S meter level 11 Read RF power meter 12 Read SWR meter 13 Read ALC meter 16 02 Preamp 0 OFF 1 preamp 1 2 preamp 2 Command Sub command Descripti...

Страница 110: ...n 0 0 to 255 100 0575 Send read VOX delay 0 0 0 sec to 20 2 0 sec 0576 Send read Break IN delay set 20 2 0d to 130 13 0d Command Sub command Description 1A 0517 Send read one touch repeater set 0 DUP...

Страница 111: ...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 25 099999 09 28...

Страница 112: ...e DTCS code and polarity setting Fixed digit 0 1st digit 0 7 2nd digit 0 7 3rd digit 0 7 Transmit polarity 0 Normal 1 Reverse Receive polarity 0 Normal 1 Reverse q X X 0 X X w e X 100Hz digit 0 2 10 H...

Страница 113: ...Mic connector 8 pin connector 600 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...

Страница 114: ...Includes UP DOWN switches and a low cut function SP 21 EXTERNAL SPEAKER Designed for base station opera tion Input impedance 8 Max input power 5 W CT 17 CI V LEVEL CONVERTER For remote transceiver co...

Страница 115: ......

Страница 116: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan A 6085H 1US w Printed in Japan 2001 2002 Icom Inc...

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