537 TRANSMIT AND RECEIVE— VOICE Monitor functionThe monitor function releases all squelch mutes, noisesquelch, tone squelch, digital code squelch and digital callsign squelch, to monitor the signal on the displayed fre-quency.➥ Click [MONI] in the application (main screen); or push andhold [SQL] on the RC-24 to activate the monitor function.• “MONI” and “ ” appear for FM mode, “MONI” appears forDV and DD mode operation when the function ON. (main screen)• “ ” appears on the RC-24 function display while holding [SQL]for FM operation.• The displayed frequency shifts when duplex (RP– or RP+) is set.DD Monitoring mode selectionUnder normal settings, an FM mode signal cannot be heard,even when the monitor is turned ON. There is an exception,and this is when you have the Digital monitor set to the Ana-log mode. This will allow an FM mode signal to "Break-in" dur-ing digital communications.• Setting from the applicationqDisplays set mode screen by performing one of the follow-ing operations.- Select “Edit SetMode(C)...” in view menu.- Click “ ” button in tool bar.- Click [SET].- Press [F7] key on the PC keyboard.wDouble click “Digital Monitor” cell, then select the desiredmonitoring mode from “DIGITAL” and “ANALOG.”• ANALOG: FM mode, DIGITAL: Digital• To close the screen, click “ ” or repeat the operation as step q.Double click the Digital.Monitor cell, then selectthe desired monitoringmode.[SQL]ClickAppearsBUSY

supplied accessories

panel description

I Rear panel

I Microphones (HM-118N)

I Remote controller (RC-24; Optional for some versions)

I Unpacking

I Power supply connections

I Microphone and speaker connections

I Connecting a PC

I COM port conﬁrmation

I Preparation

I Squelch level adjustment (FM mode only)

I Audio level adjustment

I Setting a frequency

basic operation

I Tuning step selection

I Operating mode selection

I Your call sign setting

I Station/Repeater call sign setting

I FM mode operation

I When receiving a Digital call

I Short message function

I Monitor function

I General

I Accessing an FM repeater

I Repeater tone frequency setting

I Offset frequency setting

I Accessing a Digital repeater

I Precaution

I Internet access

I Data transferring

I Low-speed data communication

i general description

i call channel selection

main screen

memory channel screen

I Memory clearing

I Programming memory name

scan operation

I Scan start/stop

I Skip channel setting

i scan resume condition

priority watch

I Pocket beep operation

I Tone/Digital code/call sign squelch operation

other functions

I EMR mode operation

I Break-in communication

I S-meter squelch

troubleshooting

i fuse replacement

specifications and options

Icom ID-1 Instruction Manual

ID-1

explicit definitions

PANEL DESCRIPTION

Rear panel

Mcrophone

function display

Unpackng

installation and connections

power supply connections

DRIVER INSTALLATION

APPLICATION INSTALLATION

BASIC OPERATION

Squelch level adjustment (FM mode only)

VFO and memory mode

Tunng step selecton

tuning step selection

lock function

CALL SIGN SETTING

TRANSMIT AND RECEIVE— VOICE

when calling the desired station

Dgtal voce mode operaton

Montor functon

REPEATER OPERATION— VOICE

General

repeater tone frequency setting

offset frequency

DATA OPERATION

internet access

Low-speed data communcaton

general description

call channel selection

memory clearing

Memory name ndcaton

Scan types

Scan start/stop

skip channel setting

Set mode

pocket beep operation

standby beep

auto repeater

EMR mode operaton

S-meter squelch

CPU reset

fuse replacement

RC-24

MAIN UNIT

LOGIC-1 UNIT

transmitter circuits

PLL CIRCUITS

POWER SUPPLY CIRCUITS

PORT ALLOCATION

PREPARATION

PLL AND CODEC ADJUSTMENT

TRANSMITTER ADJUSTMENT

RECEIVER ADJUSTMENT

main unit

front unit