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OPTIONAL INSTALLATIONS/SETTINGS

■

CR-282

HIGH

STABILITY CRYSTAL UNIT

By installing the CR-282, the total frequency stability
of the transceiver will be improved.

➀

Remove the bottom cover as shown on the oppo-
site page.

➁

Remove the 5 screws and 2 flat cables holding the
PLL unit in place.

➂

Remove the existing crystal unit.

➃

Put the CR-282 in the space available as shown in
the diagram.

➄

Adjust the reference frequency at L601 using a fre-
quency counter (60.00000 MHz).

➅

Return the shield case and bottom cover to their
original positions.

CR-282 frequency stability: ±0.5 ppm

(–30°C to +60°C;

–22°F to +140°F)

■

IF filters

Several IF filters are available for the IC-706MKIIG.
Choose a filter most appropriate to your operating
needs.

Note:

After filter installation, specify the installed filter

using initial set mode (items 9, 10). Otherwise, the
installed filter will not function properly.

FL-100

CW NARROW FILTER

500 Hz/–6 dB

FL-101

CW NARROW FILTER

250 Hz/–6 dB

FL-103

SSB WIDE FILTER

2.8 kHz/–6 dB

FL-223

SSB NARROW FILTER

1.9 kHz/–6 dB

FL-232

CW/RTTY NARROW FILTER

350 Hz/–6 dB

➀

Remove the top cover as shown on the previous
page.

➁

Install the desired filter as shown in the diagram
below.

• These filters can be installed in either direction.

➂

Replace the top cover.

Filter

PLL unit

CR-282

Reference freq. check point

(60.00000 MHz)

ribbon
cable

existing
crystal

L601

PLL unit (bottom)

Содержание I706MKTMG

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 rec...

Страница 2: ...s will obstruct heat dissipation During 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...

Страница 3: ...on 39 Memory clearing 39 Memory call programming 40 Frequency transferring 41 Memory names 41 Memo pads 42 Scan types 43 Preparation 43 Programmed scan operation 44 Memory scan operation 44 Select mem...

Страница 4: ...push for 2 sec to enter programmable tuning step mode yMODE SWITCH MODE p 19 Push momentarily to cycle through the operating modes USB LSB CW CW RTTY RTTY FM WFM AM Push and hold for 2 sec to toggle...

Страница 5: ...r dance with the SHIFT control see p 20 8M CH CONTROL M CH inner control When the RIT or SUBDIAL functions are OFF rotate to select a memory channel number p 35 Shifts the receive frequency while the...

Страница 6: ...es between VFO and memory modes MEMORY CLEAR p 39 Clears the selected memory channel s contents appears DM3 FUNCTIONS NARROW FILTER p 23 Toggles the narrow filter or wide filter push for 2 sec ON and...

Страница 7: ...FUNCTIONS MEMORY WRITE p 40 Stores the displayed frequency and oper ating mode into the displayed memory channel MEMO PAD WRITE p 42 Stores the displayed frequency and oper ating mode into a memo pad...

Страница 8: ...ter for remote operation of transceiver functions uMICROPHONE CONNECTOR MIC p 11 Accepts the supplied microphone connected in par allel with the front panel s MIC connector See pgs 1 and 2 for microph...

Страница 9: ...put pin 144 MHz Goes to ground when transmitting When grounded transmits connected to 8V line thru 2 2 k resistance HF 50 MHz operation Ground level 0 5 V to 0 8 V Input current Less than 20 mA 144 MH...

Страница 10: ...mory mode is selected oSELECT INDICATOR Shows that the displayed memory channel is desig nated as a select memory channel 0MEMORY CHANNEL NUMBER READOUT Shows the selected memory channel number 1DOT M...

Страница 11: ...ICAL INFORMATION PIN NO FUNCTION DESCRIPTION 1 8 V DC output Max 10 mA 2 Frequency up Ground Frequency down Ground through 470 8 Squelch open LOW level Squelch closed HIGH level PTT Microphone input F...

Страница 12: ...ransmission line should be a coaxial cable CAUTION Protect your transceiver from lightning using a lightning arrestor RWARNING NEVER connect the GND ter minal to a gas or electric pipe since the conne...

Страница 13: ...DFront panel mounting While pulling the panel release button towards you slide the front panel to the right fig 1 Attach the optional OPC 581 to the main body and tighten the supplied screw as in fig...

Страница 14: ...Y Z TS DISPLAY LOCK RX TX M CH PHONES TUNER CALL P AMP ATT POWER SHIFT RF SQL BAND BAND MICROPHONE p 8 HF 50 MHz ANTENNA RTTY TERMINAL UNIT p 35 2 m ANTENNA PS 85 GROUND p 9 HM 103 See p 13 for detail...

Страница 15: ...45 Used for computer control and transceive DATA JACK p 37 6 pin mini DIN jack to connect to a TNC etc for packet operation AH 3 p 14 AH 2b COAX ANTENNA SWITCH EXTERNAL SPEAKER p 65 HEADPHONES SP 21 W...

Страница 16: ...PS 85 DC POWER SUPPLY when operating the IC 706MKIIG with AC power Refer to the diagram below for connection CAUTION Before connecting the DC power cable check the following important items Make sure...

Страница 17: ...MOTE INPUT 1 ANT1 ANT Mini plug cable ACC cable 7 pin side AC outlet 220 240 V IC PW1 GND GND ACC REMOTE Transceiver Coaxial cable To an antenna OPC 599 conversion cable CONNECTING THE IC PW1 Note Tur...

Страница 18: ...Resetting clears all programmed contents in memory channels and returns all initial set mode and quick set mode contents to their default values BLANK CH VFO A S1 5 3 7 9 20 40 60dB USB M1 SPL A B A B...

Страница 19: ...and memory mode VFO MODE Each VFO shows a frequency and operating mode If the frequency or operating mode is changed the VFO automatically memorizes the new frequency or operating mode When the VFO is...

Страница 20: ...ceiver band are included in the IC 706MKIIG Push Y BAND Z BAND to select the desired band Pushing Y BAND Z BAND continuously scrolls through the available bands Note The band stacking register can als...

Страница 21: ...g momentarily momentarily momentarily 2 sec 2 sec 2 sec TS TS 1 MHz tuning USB Programmable step tuning 100 Hz 100 kHz Selectable for each mode USB Rotate DIAL FM Sub dial function The sub dial functi...

Страница 22: ...the IC 706MKIIG SSB LSB USB CW CW CW reverse FM WFM receive only AM RTTY and RTTY RTTY reverse To select the desired mode of operation push MODE one or more times then push MODE for 2 sec if necessar...

Страница 23: ...RIT function The RIT Receive Incremental Tuning function com pensates for off frequencies of communicating sta tions The function shifts the receive frequency up to 9 99 kHz in 10 Hz steps without mov...

Страница 24: ...and slow FAGC appears when the fast time constant is selected CH VFO A S1 5 3 7 9 20 40 60dB USB M4 VOX COM AGC Appears when AGC fast is selected FAGC PO 5 10 DPreamp and attenuator The preamp amplif...

Страница 25: ...surrounding the set frequency for other signals Detected signals are indicated graphically in the dot matrix section of the display Set a mode and frequency Select G1 Push DISPLAY 1 or 2 times if M or...

Страница 26: ...N W M FL 272 N W FL 103 M FL 272 N W M FL 272 N FL 223 W M FL 272 N FL 101 W M FL 272 N W M FL 272 N W M FL 272 N W FL 103 M FL 272 N W M FL 272 N FL 223 W M FL 272 N FL 103 W FL 103 M FL 272 N W FL...

Страница 27: ...or all operating modes Select S4 DSP menu Push DISPLAY 1 or 2 times when M or G is displayed Push MENU one or more times to select S4 Push F 2 NR to toggle the noise reduction func tion ON and OFF DSP...

Страница 28: ...0 10 60dB Microphone gain is set to 6 ALC S1 1 2 3 5 3 7 9 20 40 60dB USB Q2 MIC GAIN ALC ALC zone DMeter function The bar meter in the function display acts as an S meter for relative signal strength...

Страница 29: ...e ALC meter peaks above the ALC zone your transmitted voice may be distorted MENU F 2 COM COMP GAIN COMP GAIN SIDE T BEEP ALC Adjust COMP GAIN so that the ALC meter reads within the ALC zone ALC zone...

Страница 30: ...ted a side tone is emitted and the TUNER light flashes then the previous mode is select ed If the tuner cannot reduce the SWR to less than 1 5 1 after 20 sec of tuning the TUNER light goes out In this...

Страница 31: ...ile tun ing The TUNER light lights constantly when tuning is complete When the connected wire cannot be tuned the TUNER light goes out the AH 4 is bypassed and the antenna wire is connected to the ant...

Страница 32: ...in dial changes the receive frequency The split lock s effectiveness can be selected in initial set mode item 12 for both receive and transmit fre quencies or only the receive frequency p 52 DQuick sp...

Страница 33: ...the pre selected offset When a subaudible tone frequency excepting 1750 Hz is selected in FM T is selected simultaneously Push and hold PTT to transmit release PTT to receive When a 1750 Hz tone burs...

Страница 34: ...eing transmitted on a repeater input frequency you can determine the tone frequency necessary to open a repeater During tone squelch or repeater operation push and hold DISPLAY to enter Quick Set mode...

Страница 35: ...ushing PTT push F 3 TON in the M4 display during repeater operation One touch repeater function This function automatically activates the repeater set tings DUP or DUP and tone encoder ON OFF when the...

Страница 36: ...elect quick set mode push MENU one or more times to select Q3 BK IN DELAY then rotate the main dial to set the desired delay time see p 48 for details CW Q4 CW PADDLE CW CW CW CW Paddle ELEC KEY MICRO...

Страница 37: ...Both key ing speed and weight the ratio of dot space dash can be set in quick set mode Setting the electronic keyer Select CW mode with MODE Push DISPLAY for 2 sec to enter quick set mode Push MENU on...

Страница 38: ...D GND AF 3 conductor 1 8 plug supplied 2 conductor 1 8 plug FSKK SEND RTTY ACC EXT SP 1 2 3 3 4 5 6 7 7 8 9 10 11 12 13 HF 50 MHz orange 144 MHz purple 2 Functions for RTTY To a TU or TNC and personal...

Страница 39: ...s and FM is used for the VHF band Select the desired FSK tone shift frequencies and keying polarity as below Set the desired frequency with the main dial Use F 1 1 4 in the M4 display when critical se...

Страница 40: ...ing from the TNC is applied exclusively to the internal limiter cir cuitry to automatically maintain bandwidth NEVER apply data levels from the TNC of over 0 6 Vp p otherwise the transceiver will not...

Страница 41: ...graph readout oWhen PTT is released the frequency marker and frequency indication move to the next frequency to be measured 0Repeat steps i and o to measure SWR over the entire frequency range 1When t...

Страница 42: ...channel to be cleared Push MCL F 2 for 2 sec to clear the contents The programmed frequency and operating mode disap pear and appears To return to VFO mode push F 3 V M again Memory channel selection...

Страница 43: ...channel is a blank channel and does not have contents Push F 1 MW for 2 sec to program the displayed frequency and operating mode into the memory channel To check the programmed contents push F 3 V M...

Страница 44: ...scan edges and the call channel can be tagged with alphanumeric names of up to 9 characters each All common keyboard characters ASCII characters 33 to 126 can be used including numerals and punc tuati...

Страница 45: ...d recall The memo pads are separate from memory channels The default number of memo pads is 5 however this can be increased to 10 in initial set mode if desired p 53 Memo pads are convenient when you...

Страница 46: ...peatedly scans all selected memory channels PRIORITY WATCH Checks for signals on a memory or call channel while operating on a VFO frequency This scan operates in memory mode This scan operates in mem...

Страница 47: ...S1 5 5 3 7 9 20 40 10 60dB USB Select memory mode Close the squelch with SQL Select S2 then push F 1 SCN to start the scan Decimal point blinks while scanning When the scan detects a signal the scan s...

Страница 48: ...Data area FD Preamble code fixed Controller s default address Transceiver s default address Command number see table at right Sub command number see table at right BCD code data for frequency or memor...

Страница 49: ...y data 00 1 Set LSB 01 1 Set USB 02 1 Set AM 06 03 1 Set CW 04 1 Set RTTY 05 1 Set FM 06 1 Set WFM Set to VFO 00 Set to VFO A 07 01 Set to VFO B A0 VFO A B B0 Switch VFO A and B 08 Set to memory mode...

Страница 50: ...PLAY momentar ily DInitial set mode operation Push POWER for 2 sec to turn power OFF While pushing LOCK push POWER to turn power ON Initial set mode is selected and one of its items appears Push MENU...

Страница 51: ...ayed automatically Q2 CW PITCH CW only This item adjusts the CW pitch CW pitch is adjustable from 300 to 900 Hz in 10 Hz steps The default is 600 Hz CW Q2 RTTY TONE RTTY only This item selects the RTT...

Страница 52: ...key use ud For using the microphone s UP DN keys instead of the CW paddle The default is n normal CW Q5 KEY SPEED CW only This item adjusts the CW key speed The key speed can be selected from 6 to 60...

Страница 53: ...rmation beep OFF Band beep ON default Band beep OFF 1 MODE SELECT all modes This item is available in all modes and allows you to simplify operation by inhibiting the selection of unneeded operating m...

Страница 54: ...rotating M CH changes the RIT frequency when this item is set to Freq pushing RIT SUB turns the sub dial func tion ON lights green rotating M CH changes the operating frequency Note that in FM WFM and...

Страница 55: ...ter function duplex or duplex can be selected Duplex direction is set to duplex Duplex direction is set to duplex DUP DUP 14 SPL OFFSET split offset This item sets the offset difference between transm...

Страница 56: ...eater function OFF default Auto repeater function ON tone encoder OFF 22 SCAN SPEED scan speed This item sets the rate at which channels or frequen cies are scanned during scan operations High or low...

Страница 57: ...ice synthesizer functions in English default Voice synthesizer functions in Japanese Voice synthesizer output is faster default Voice synthesizer output is slower voice synthesizer language voice synt...

Страница 58: ...eive operation is possible with the IC 706MKIIG connected to other Icom HF transceivers or receivers When on is selected changing the frequency operating mode etc on the IC 706MKIIG automatically chan...

Страница 59: ...when changing a fuse The IC 706MKIIG has 2 types of fuses installed for transceiver protection DC power cable fuses 30 A Circuitry fuse F G M B 125 V 4 A DC POWER CABLE FUSE REPLACEMENT 30 A fuse CIRC...

Страница 60: ...in the transmitting condition An external speaker or headphones are connected The antenna is not connected properly The antenna feed line is cut or shorted The antenna for another band is selected Th...

Страница 61: ...elch is open The same frequencies have been programmed in scan edge memory channels 2 or more memory channels have not been programmed 2 or more memory channels have not been designated as select chan...

Страница 62: ...SIZER UNIT The UT 102 announces the accessed band s fre quency mode etc S meter level can also be announced p 55 in a clear electronically generat ed voice in English or Japanese Remove the top cover...

Страница 63: ...F to 140 F IF filters Several IF filters are available for the IC 706MKIIG Choose a filter most appropriate to your operating needs Note After filter installation specify the installed filter using i...

Страница 64: ...with the UT 106 for operating details MB 72 CARRYING HANDLE The optional MB 72 CARRYING HANDLE is convenient when carrying the transceiver for DX peditions field operation etc Remove the 2 screws from...

Страница 65: ...put 10 mA max GND Connects to ground SEND Input output pin Goes to ground when transmitting 20 mA max When grounded transmits BAND Band voltage output Varies with amateur band 0 to 8 0 V ALC ALC outpu...

Страница 66: ...LTER unit MAIN unit PLL unit HF Final amplifier SRFJ7044 x 2 PA unit Reference freq adj L601 when optional crystal is installed Optional crystal CR 282 Reference freq check point 60 000 MHz 144 430 MH...

Страница 67: ...ou to conveniently vehicle mount the front panel of the IC 706MKIIG An MB 63 must be used in combination with the MB 65 AH 2b ANTENNA ELEMENT A 2 5 m long antenna element for mobile operation with the...

Страница 68: ...tion for mobile installations or compact transceiver operation OPC 581 3 5 m 11 5 ft OPC 587 5 m 16 4 ft SP 10 EXTERNAL SPEAKER SP 12 EXTERNAL SPEAKER External speakers suitable for mobile oper ation...

Страница 69: ...tion Spurious emissions Less than 60 dB spurious freq below 30 MHz 50 dB typ above 50 MHz 60 dB typ Carrier suppression More than 40 dB Unwanted sideband More than 50 dB Microphone 8 pin modular jack...

Страница 70: ...17 DUP 144M 18 DUP 430M 19 1TOUCH RPTR No of memory pads 20 AUTO RPTR 21 SCAN RESUME 22 SCAN SPEED 23 U D SPEED 24 AM NB 25 PAD CH 26 PWR ON CHK 27 A TUNE STRT 28 VSEND SEL 29 SPEECH LANG 30 SPEECH S...

Страница 71: ...NR NRL G1 BAND scope G2 IF SHIFT G3 TX freq G4 Memory name DISPLAY DISPLAY DISPLAY DISPLAY MENU MENU Y Y M CH No Q1 RF POWER RF POWER RF POWER Q2 MIC GAIN CW PITCH RTTY TONE Q3 VOX DELAY VOX GAIN BK...

Страница 73: ...00 144 000000 146 000000 430 000000 434 000000 435 000000 438 000000 Rx 1 830000 1 850000 3 500000 3 800000 7 000000 7 100000 10 100000 10 150000 14 000000 14 350000 18 068000 18 168000 21 000000 21 4...

Страница 74: ...s have been recommended 10 400 MHz 2 W sq m 435 MHz 2 2 W sq m EIRP Clearance heights by frequency band Watts 10 2 m 70 cm 23 cm 13cm and above 1 2 1 m 2 m 2 m 2 m 10 2 8 m 2 7 m 2 5 m 2 3 m 25 3 4 m...

Страница 75: ...INSTALLATION NOTE Install the ferrite bead as near as possible the connecting plug Attach the ferrite bead making a loop with the cable as shown in the diagram at below left Fasten the ferrite bead a...

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