man_ic-718.pdf

INSTRUCTION MANUAL

HF ALL BAND TRANSCEIVER

i718

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.

IMPORTANT

EXPLICIT DEFINITIONS

READ THIS INSTRUCTION MANUAL

CAREFULLY before attempting to operate the

transceiver.

WORD

DEFINITION

Personal injury, fire hazard or electric

shock may occur.

R WARNING

SAVE THIS INSTRUCTION MANUAL. This

manual contains important safety and operating in-

structions for the IC-718.

CAUTION

Equipment damage may occur.

NOTE

Inconvenience only.

No risk of personal injury, fire or

electric shock.

PRECAUTIONS

R WARNING HIGH VOLTAGE! NEVER attach

an antenna or internal antenna connector during trans-

mission. This may result in an electric shock or burn.

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 NEVER apply AC to the [DC13.8V] jack 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.

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

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

panel. This could cause a ﬁre or ruin the transceiver.

During maritime mobile operation, keep the transceiver

and microphone as far away as possible from the mag-

netic navigation compass to prevent erroneous indica-

tions.

R NEVER let metal, wire or other objects touch any

internal part or connectors on the rear panel of the

transceiver. This may result in an electric shock.

BE CAREFUL! The heatsink will become hot when op-

erating the transceiver continuously for long periods.

NEVER expose the transceiver to rain, snow or any

liquids.

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.

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 (+176°F), resulting in per-

manent damage to the transceiver if left there for ex-

tended periods.

Use Icom microphones only (supplied or optional).

Other manufacturer’s microphones have different pin

assignments, and connection to the IC-718 may dam-

age the transceiver.

AVOID placing the transceiver in excessively dusty en-

vironments or in direct sunlight.

AVOID placing the transceiver against walls or putting

anything on top of the transceiver. This will obstruct

heat dissipation.

Versions of the IC-718 which display the “CE” symbol

on the serial number seal comply with the European

harmonised standard ETS300 684 JAN. 1997 (EMC

product standard for Commercially Available Amateur

Radio Equipment).

TABLE OF CONTENTS

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

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

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

6 MEMORY OPERATION ............................... 35 – 38

Memory channels ............................................ 35

Memory channel selection ............................... 35

Memory channel programming ........................ 36

1 TABLE OF CONTENTS ....................................... 1

SUPPLIED ACCESSORIES ..................................... 1

Frequency transferring .................................... 37

Memory clearing .............................................. 38

2 PANEL DESCRIPTION ................................... 2 – 8

7 SCANS ........................................................ 39 – 40

Front panel ........................................................ 2

Scan types ....................................................... 39

Function display ................................................. 5

Preparation ...................................................... 39

Rear panel ......................................................... 6

Programmed scan operation ........................... 40

Microphone (HM-36) ......................................... 8

Memory scan operation ................................... 40

3 INSTALLATION AND CONNECTIONS ......... 9 – 14

8 SET MODE .................................................. 41 – 47

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

General ............................................................ 41

Selecting a location ........................................... 9

Quick set mode items ................................. 42-43

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

Initial set mode items ................................. 44-47

Antenna connection ........................................... 9

Required connections ...................................... 10

9 INSTALLATION AND CONNECTIONS ....... 48 – 51

Advanced connections .................................... 11

Opening the transceiver’s case ....................... 48

Power supply connections ............................... 12

Optional bracket and carrying handle............... 48

Liner ampliﬁer connections .............................. 13

CR-338 HIGH STABILITY CRYSTAL UNIT .......... 49

External antenna tuners .................................. 14

UT-102 VOICE SYNTHESIZER UNIT .................. 49

UT-106 DSP RECEIVE UNIT .............................. 50

4 FREQUENCY SETTING .............................. 15 – 19

Optional IF ﬁlters ............................................. 50

When ﬁrst applying power ............................... 15

AT-180 internal switch description ................... 51

Initial setting .................................................... 15

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

10 MAINTENANCE ........................................ 52 – 53

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

Troubleshooting ............................................... 52

Dial lock function ............................................. 19

Fuse replacement ............................................ 53

Resetting the CPU ........................................... 53

5 RECEIVE AND TRANSMIT ......................... 20 – 34

Mode selection ................................................ 20

11 SPECIFICATIONS ........................................... 54

Squelch and RF gain ....................................... 20

Function for receive ......................................... 21

12 OPTIONS .................................................. 55 – 56

DSP function (option) ...................................... 23

Filter selection ................................................. 24

13 CONTROL COMMAND ............................ 57 – 58

Filter setting ..................................................... 25

Remote jack (CI-V) information ....................... 57

Function for transmit ........................................ 26

Split frequency operation ................................. 30

14 INTERNAL VIEWS ........................................... 59

SWR ................................................................ 30

Top view ........................................................... 59

Function for CW ............................................... 31

Bottom view ..................................................... 59

Function for RTTY ........................................... 33

SUPPLIED ACCESSORIES

The transceiver comes with the following accessories.

Qty.

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

w Hand microphone (HM-36) .................................. 1

e Fuse (FGB 20 A; for DC cable) ............................ 1

r Fuse (FGB 4 A; internal use) ............................... 1

e r

PANEL DESCRIPTION

Front panel

Speaker

Function Display

@1 @0 !9

C-

718

V/M 1

A=B 2

A/B 3

MODE

FIL

MW 4

M-CL 5

M V 6

SPL

SCN 8

VOX 9

NR .

ANF 0

F-INP

ENT

COMP

SET

PWR

RF/SQL

RIT

SHIFT

MIC

PHONES

P.AMP

ATT

TUNER

LOCK

√

∫

POWER SWITCH [PWR]

or rotate the control counterclockwise to decrease the

frequency. “ ” appears on the display.

• The shift frequency range is ±1.2 kHz.

Push momentarily to turn power ON.

• Turn the optional DC power supply ON in advance.

Push for 1 sec. to turn power OFF.

IF SHIFT CONTROLS [SHIFT] (Outer control; p.

21)

Shifts the center frequency of the receivers’s IF

pass-band.

• Rotate the control colckwise to shift the center frequency

higher, or rotate the control counterclockwise to shift the

center frequency lower.

While pushing and holding [SET], push [PWR] to

enter the initial set mode. (p. 41)

MICROPHONE CONNECTOR [MIC]

Accepts supplied or optional microphone.

• See p. 55 for appropriate microphones.

• See p. 8 for microphone connector information.

LOCK SWITCH [LOCK] (p. 19)

Push momentarily to turn the dial lock function ON

and OFF.

• The dial lock function electronically locks the main dial.

• When the optional UT-102 VOICE SYNTHESIZER UNIT is

installed (p. 49), push for 1 sec. to have the frequency,

etc. announced.

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

(p. 46).

HEADPHONE JACK [PHONES] (p. 11)

Accepts headphones (8

• When headphones are connected, the internal speaker

or connected external speaker does not function.

AF CONTROL [AF] (inner control)

Varies the audio output level from the speaker.

RF GAIN/SQUELCH CONTROL [RF/SQL]

(outer control; pgs. 20, 44)

Adjusts the squelch threshold level. The squelch re-

moves noise output from the speaker (closed con-

dition) when no signal is received.

• The squelch is available for all modes.

• The control can be set as the squelch plus RF gain con-

trols or squelch control only (RF gain is fixed at maxi-

mum) in initial set mode.

MAIN DIAL

Changes the displayed frequency, selects quick/ini-

tial set mode items, etc.

PREAMP SWITCH [P.AMP] (p. 21)

Push momentarily to turn the preamp ON or OFF.

CH SWITCH [CH] (p. 35)

Push momentarily to turn the memory channel se-

lect function ON or OFF.

• [MEMO] blinks while memory channel select function is

turned on.

RIT CONTROLS [RIT] (Inner control; p. 21)

Shifts the receive frequency without changing the

transmit frequency.

• Rotate the control clockwise to incerase the frequency,

PANEL DESCRIPTION

• Push several times (or push and hold) [√ DN]/[UP∫]

until desired memory channel appears.

• After pushing [F-INP/ENT], push desired memory chan-

nel number from the keypad, then push [FINP/ENT]

again to select the memory channel directory.

• Push [CH] to exit the memory channel select function.

Push [NB] for 1 sec to enter the noise blanker

level setting condition.

QUICK TUNING STEP SWITCH [TS] (pgs. 18, 19)

Selects a quick tuning step or turns the quick tun-

ing step OFF.

• While the quick tuning indicator ( ) is displayed, the

frequency can be changed in kHz step.

MEMORY CHANNEL (BAND) UP/DOWN

SWITCHES [ √ DN]/[UP ∫ ] (p. 35)

While the quick tuning step is OFF, it turns the 1

Hz step ON and OFF when pushed for 1 sec.

• 1 Hz indication appears and the frequency can be

changed in 1 Hz steps.

Push one or more times to select the memory

channel, while [MEMO] indicator is blinking.

Push to select a band.

While the kHz quick tuning step is selected, it en-

ters tuning step set mode when pushed for 1 sec.

Push to select the quick/initial set mode items

while quick/initial set mode is selected.

ATTENUATOR SWITCH [ATT] (p. 22)

Push to toggle the 20 dB attenuator function ON

and OFF.

FILTER SWITCH [FIL] (p. 24)

Push momentarily to toggle between the pre-pro-

grammed normal, wide and narrow IF filters for

the selected operating mode.

TUNER SWITCH [TUNER] (pgs. 28, 29)

MODE SWITCHES [LSB/USB]/[CW/CW-

R]/[RTTY/RTTY-R]/[AM] (p. 20)

Push to toggle an operating mode.

• Push[MODE] for 1 sec. during SSB mode to toggle be-

tween LSB or USB.

• Push [MODE] for 2 sec. during CW or RTTY mode, to

toggle between CW and CW reverse or RTTY and RTTY

reverse. “

Push momentarily to toggle the automatic an-

tenna tuner function ON/OFF.

• An optional antenna tuner must be connected.

Push for 1 sec. to manually tune the tuner.

• An optional antenna tuner must be connected.

• When the tuner cannot tune the antenna, the tuning cir-

cuit is bypassed automatically after 20 sec.

” appears on the display.

SET SWITCH [SET]

Push for 1 sec. to enter the quick set mode. (p.

41)

Pushing and holding [SET], and then push

[POWER] to enter the initial set mode. (p. 41)

Push to toggle the meter function; (p. 26)

• PO: indicates the relative RF output power.

• ALC: Indicates ALC level.

• SWR: indicates the SWR over the transmission line.

MIC COMPRESSOR SWITCH [ COMP ] (p. 27)

Toggles the Mic. compressor function ON and OFF.

KEYPAD

The keypad can be used for several functions as

discribed below:

• [F-INP/ENT], keypad then [F-INP/ENT].

— Direct frequency input. (pgs. 4, 7)

• [CH], [F-INP/ENT], keypad then [F-INP/ENT] then [V/M]

— Memory channel selection.(pgs. 4, 35)

• [V/M], [A=B], [A/B], [MW], [M-CL], [M≈V], [SPL], [SCAN],

[VOX], [NR] (option) and [ANF] (option) switch. (p. 4)

NOISE BLANKER SWITCH [NB] (p. 22)

Toggles the noise blanker ON and OFF. The noise

blanker reduces pulse-type noise such as that

generated by automobile ignition systems. This

function is not effective against non pulse-type

noise.

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