IC706mk2g manual.PDF

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INSTRUCTION MANUAL

HF/VHF/UHF ALL MODE TRANSCEIVER

i706MK™G

This 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.

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IMPORTANT

Read this instruction manual carefully

before attempting to operate the transceiver.

Save this instruction manual. This instruction

manual contains important safety and operating

instructions for the IC-706MKIIG.

PRECAUTIONS

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’s battery will soon become exhausted.

R WARNING HIGH VOLTAGE! NEVER

attach an antenna or internal antenna connector dur-

ing transmission. This may result in an electrical shock

or burn.

R NEVER apply AC to the [DC13.8V] socket on the

transceiver rear panel. This could cause a ﬁre or ruin

the transceiver.

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 transceiv-

er and microphone as far away as possible from the

magnetic navigation compass to prevent erroneous

indications.

R NEVER apply more than 16 V DC, such as a 24 V

battery, to the [DC13.8V] socket on the transceiver

rear panel. This could cause a ﬁre or ruin the trans-

ceiver.

R NEVER let metal, wire or other objects touch any

internal part or connectors on the rear panel of the

transceiver. This will cause electric shock.

BE CAREFUL! The heatsink will become hot when

operating the transceiver continuously for long periods.

BE CAREFUL! If a linear ampliﬁer is connected, set

the transceiver’s RF output power to less than the lin-

ear ampliﬁer’s maximum input level, otherwise, the lin-

ear ampliﬁer will be damaged.

R NEVER expose the transceiver to rain, snow or

any liquids.

NEVER allow children to play with the transceiver.

Use Icom microphones only (supplied or optional).

Other manufacturer’s microphones have different pin

assignments and connection to the IC-706MKIIG may

damage the transceiver.

AVOID using or placing the transceiver in areas with

temperatures below –10°C (+14°F) or above +60°C

(+140°F). Be aware that temperatures on a vehicle’s

dashboard can exceed 80°C, resulting in permanent

damage to the transceiver’s front panel if left there for

extended periods.

Beat signals may be heard on some frequencies.

These will occur as a result of circuit construction.

For U.S.A. only

Caution: Changes or modiﬁcations to this transceiver, not

expressly approved by Icom Inc., could void your author-

ity to operate this transceiver under FCC regulations.

AVOID placing the transceiver in excessively dusty

environments or in direct sunlight.

AVOID placing the transceiver against walls or putting

anything on top of the transceiver. This will obstruct

heat dissipation.

EXPLICIT DEFINITIONS

The explicit deﬁnitions described below apply to this

instruction manual.

WORD

DEFINITION

Personal injury, fire hazard or electric

shock may occur.

R WARNING

Equipment damage may occur.

CAUTION

If disregarded, inconvenience only. No risk

of personal injury, ﬁre or electric shock.

NOTE

i

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TABLE OF CONTENTS

IMPORTANT ............................................................. i

PRECAUTIONS ........................................................ i

EXPLICIT DEFINITIONS .......................................... i

TABLE OF CONTENTS ............................................ ii

UNPACKING ............................................................. ii

1 PANEL DESCRIPTION ..................................... 1– 8

5 MEMORY AND SCAN OPERATION ............ 39– 44

Memory channels ..................................................... 39

Memory channel selection ........................................ 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 memory scan operation ................................. 44

Priority watch ............................................................ 44

6 REMOTE JACK (CI-V) INFORMATION ........ 45–46

7 SET MODE .................................................... 47– 55

General ..................................................................... 47

Quick set mode items ............................................... 48

Initial set mode items ............................................... 50

8 MAINTENANCE ................................................... 56

Fuse replacement ..................................................... 56

Memory backup ........................................................ 56

Cleaning ................................................................... 56

9 TROUBLESHOOTING .................................. 57– 58

10 OPTIONAL INSTALLATIONS/SETTINGS .. 59– 62

Opening the transceiver case ................................... 59

UT-102 VOICE SYNTHESIZER UNIT ............................... 59

CR-282 HIGH - STABILITY CRYSTAL UNIT ........................ 60

IF ﬁlters ..................................................................... 60

UT-106 DSP RECEIVER UNIT ....................................... 61

MB-72 CARRYING HANDLE .......................................... 61

AT-180 internal switch description ............................ 62

11 INTERNAL VIEWS ............................................. 63

12 OPTIONS .................................................... 64– 65

13 SPECIFICATIONS ............................................. 66

14 MENU GUIDE .............................................. 67–68

Front panel ...............................................................

1

Function switches .....................................................

3

Rear and side panels ...............................................

5

Function display .......................................................

7

Microphone (HM-103) ............................................... 8

2 INSTALLATION AND CONNECTIONS .......... 9– 14

Unpacking ................................................................. 9

Grounding ................................................................. 9

Antenna .................................................................... 9

Installation ................................................................ 10

Required connections ............................................... 11

Advanced connections ............................................. 12

Power supply connections ........................................ 13

External antenna tuners and linear ampliﬁer ............ 14

3 FREQUENCY SETTING ................................ 15– 19

When ﬁrst applying power (CPU resetting) .............. 15

Initial settings ............................................................ 15

VFO description ........................................................ 16

Frequency setting ..................................................... 17

Mode selection ......................................................... 19

4 RECEIVE AND TRANSMIT .......................... 20– 38

Functions for receive ................................................ 20

Functions for transmit ............................................... 25

Split frequency operation .......................................... 29

Tone squelch operation ............................................ 31

Tone scan operation ................................................. 31

One-touch repeater .................................................. 32

Auto repeater function .............................................. 32

Functions for CW ...................................................... 33

Functions for RTTY .................................................. 35

Packet operation ...................................................... 37

SWR ......................................................................... 38

UNPACKING

Accessories included with the IC-706MKIIG:

Qty.

q DC power cable* ....................................................1

w Hand microphone (HM-103)...................................1

e Spare fuse (30 A) ...................................................2

r Spare fuse (4 A) .....................................................1

t RTTY key plug........................................................1

y Electronic keyer plug ..............................................1

u ACC cable ..............................................................1

i Ferrite bead** .........................................................1

*OPC-639 for Europe versions (differs from the diagram at

left), OPC-025D for other versions.

**Not supplied with some versions.

q

w

t

y

er

u

i

ii

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1

PANEL DESCRIPTION

Front panel

w e

r

t

y

u

i

o

MODE

AF

RF/SQL

HF/VHF/UHF TRANSCEIVER

i706MK™G

Y

BAND

USB

TS

q

POWER

P.AMP/ATT

RX

@2

VFO A

S1

3

5

7

9

20

40

60dB

TX

@1

TUNER/CALL

RIT/

SUB

!0

CH

P O

5

10

@0

DISPLAY

M1 SPL A/B A=B

M-CH

SHIFT

PHONES

LOCK

!9

BAND

MENU

F-1

F-2

F-3

o

Z

!8

!7

!6

!5

!4

!3

!2

!1

q

POWER SWITCH [POWER] (p. 15)

Turns power ON and OFF.

• Push momentarily to turn power ON.

• Push for 2 sec. to turn power OFF.

y

MODE SWITCH [MODE] (p. 19)

➥

Push momentarily to cycle through the operating

modes:

USB/LSB

➧

CW/CW å

➧

RTTY/ å RTTY

➧

➧

FM/WFM/AM

w

AF GAIN CONTROL [AF] (inner control; p. 15)

Rotate clockwise to increase the audio output from

the speaker; rotate counterclockwise to decrease

the audio output from the speaker.

➥

Push and hold for 2 sec. to toggle between the

following operating modes:

USB

↔

LSB

CW

↔

CW å

RTTY

↔

å RTTY

e

RF GAIN CONTROL/SQUELCH CONTROL

[RF/SQL] (outer control; p. 22)

➥

FM

WFM

AM

FM, etc.

Adjusts the squelch threshold level (to mute noise

when receiving no signal) in all modes.

u

RECEIVE/TRANSMIT INDICATORS [RX]/[TX]

[RX] lights green while receiving (and squelch

opens); [TX] lights red while transmitting.

➥

This control can be used for RF gain control to

adjust receiver gain manually.

• RF gain selection can be set in initial set mode (p. 50).

• RF gain is usable in SSB/CW/RTTY modes only.

i

MAIN DIAL

Changes the displayed frequency, selects initial set

mode items, etc.

r

FUNCTION DISPLAY

Shows the operating frequency, dot matrix indica-

tions, selected memory channel, etc. See p. 7 for

details.

o

UP/DOWN (BAND) SWITCHES [ Y / Z (BAND)]

➥

Push to select a band.

• Can also be used to advance quick set mode items,

initial set mode items, etc.

t

TUNING STEP SWITCH [TS] ( pgs. 17, 18)

➥

➥

Push and hold to scroll through the bands contin-

uously.

Push momentarily to cycle between 1 Hz/10 Hz,

programmable and 1 MHz tuning steps.

• 1 and 10 Hz steps are only available in SSB, CW and

RTTY modes; 1 MHz steps are only available in FM,

WFM and AM modes.

!0

MAIN DIAL TENSION LATCH

Selects the main dial tension.

• 2 positions are available.

➥

Push for 2 sec. to toggle between 1 and 10 Hz

steps, or; when the programmable tuning steps is

indicated, push for 2 sec. to enter programmable

tuning step mode.

!1

MICROPHONE CONNECTOR (p. 8)

Modular-type microphone connector—connects the

supplied microphone (HM-103).

• The optional OPC-589 can be used to connect an 8-pin

microphone such as the SM-8 or SM-20, if desired.

• A microphone connector is also available on the rear

1

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1

PANEL DESCRIPTION

panel. DO NOT connect 2 microphones simultaneously.

!8

M-CH CONTROL [M-CH] (inner control)

➥

When the RIT or SUBDIAL functions are OFF,

rotate to select a memory channel number (p. 35).

!2

LOCK SWITCH [LOCK]

➥

Push momentarily to turn the dial lock function

ON and OFF.

• The dial lock function electronically locks the main

dial.

➥

Shifts the receive frequency while the RIT func-

tion is ON in SSB, CW and RTTY modes (see

below and p. 20).

• RIT variable range is ± 9.99 kHz

➥

When the optional UT-102 VOICE SYNTHESIZER

UNIT is installed (p. 52), push for 2 sec. to have

the frequency, etc. announced.

• UT-102 operation can be adjusted in initial set mode

(pgs. 53, 54).

➥

Changes the operating frequency in the selected

tuning steps while the SUB DIAL function is ON

(p. 18).

!9

HEADPHONE JACK [PHONES] (p. 12)

Accepts headphones with 4–16

impedance.

• When headphones are connected, no receive audio

comes from the speaker.

• When the PHONES/SPEAKER switch on the back of the

front panel is set to the [SPEAKER] position, an external

speaker can be connected. This is convenient for mobile

or outdoor operation.

Ω

LOCK

Lights while the lock

function is activated.

!3

DISPLAY SWITCH [DISP] (p. 68)

➥

Push momentarily to select one of the three menu

sets: M1 to M4 , S1 to S4 and G1 to G4 .

➥

Push for 2 sec. to select quick set mode.

@0

TUNER/CALL SWITCH [TUNER/CALL]

(pgs. 26, 27)

➥

!4

FUNCTION SWITCHES [F1]/[F2]/[F3] (pgs. 3, 4, 68)

Push to select the function indicated in the dot

matrix display above these switches.

• Functions vary depending on the menu set selected.

During HF/50 MHz operation, push this switch

momentarily to toggle the automatic antenna

tuner function ON/OFF.

• An optional antenna tuner must be connected.

➥

During HF/50 MHz operation, push this switch for

2 sec. to manually tune the antenna.

• An optional antenna tuner must be connected.

!5

MENU SWITCH [MENU] (p. 68)

➥

Push this switch one or more times to select

menus within a menu set ( M , S or G ), or push to

advance through the quick set mode and initial

set mode displays.

➥

During 144/430 MHz operation, push this switch

momentarily to select the call channel (or the pre-

vious channel/frequency when the call channel is

already selected). (p. 39)

•“C1” is the 144 MHz call channel and “C2” is the 430

MHz call channel.

➥

Push and hold to jump between two different

function menu sets.

!6

RIT/SUB DIAL SWITCH [RIT/SUB] (p. 20)

➥

Push to toggle the RIT or SUB DIAL function ON

and OFF—initial set mode is used to select the

desired action*.

• Lights green when the SUB DIAL function is ON;

lights red when the RIT function is ON.

• Use the [M-CH] control to vary the RIT frequency or

SUB DIAL frequency (see above).

TUNER/CALL

Lights while the automatic

tuning function is activated.

@1

FRONT PANEL LATCH (p. 10)

Pull away from the transceiver (towards yourself

when looking at the front of the transceiver) to

detach the front panel from the main body of the

transceiver.

➥

When the RIT function is ON, push for 2 sec. to

add or subtract the shifted frequency to the oper-

ating frequency.

@2

PREAMP/ATTENUATOR SWITCH [P.AMP/ATT]

(p. 21)

➥

RIT

SUB

Lights red while the RIT function is activated;

green while the SUB DIAL function is activated.

Push momentarily to turn the preamp ON or OFF.

➥

Push and hold to turn the 20 dB attenuator ON;

push momentarily to turn the attenuator OFF.

• Lights green when the preamp is ON; lights red when

the 20 dB attenuator is ON.

*Even if RIT is selected in initial set mode, RIT cannot be

selected when operating AM, FM or WFM modes.

!7

SHIFT CONTROL [SHIFT] (outer control; p. 20)

Shifts the center frequency of the receiver’s IF pass-

band.

• Rotate the control clockwise to shift the center frequen-

cy higher, or rotate the control counterclockwise to shift

the center frequency lower.

• When the graphic menu display ( G2 ) is selected, the IF

passband is graphically displayed and changes in accor-

dance with the [SHIFT] control (see p. 20).

P.AMP/ATT

Lights green while the preamp is activated;

lights red while the attenuator is activated.

2

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