Icom IC-4008A User Manual

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PANEL DESCRIPTION
. Switches, controls, keys and connectors
0 ANTENNA ~
0 SPEAKER
PANEL DESCRIPTION
0 ANTENNA
Extend the antenna completely when using the transceiver.
.The antenna folds completely into the transceiver body for carryin
purposes.
.The antenna can be adjusted 90 degrees from the regular positiol
when operating the transceiver in a horizontal position.
f) PH SWITCH [PH]
.Push and hold to transmit; release to receive.
.While pushing [PTT], push [POWER] to activate the "PTT hold func
tion". (p.16)
. CHANNEL UP SWITCH [UP]/[.&]
.Push to increase the operating channel.
.Push and hold to increment the operating channel continuously.
0 CHANNEL DOWN SWITCH [DOWN]/[~]
.Push to decrease the operating channel.
.Push and hold to decrement the operating channel continuously.
0 SPEAKER
0 MODE SWITCH [MODE] (Squelch)
.Push to toggle between Group mode and Normal mode. (p. 11)
.Push and hold for 1 sec. to force the squelch open; push and hold for
sec. to close it again. (p. 8)
f) POWERSWITCH[POWER](Key lock)
.Push to tum the power ON.
.Push and hold this key for 2 sec. to toggle the key lock functio
ON/OFF. (p. 16)
~ NOTE: Do not push this key for too long when tuming the power m
~ otherwise the key lock function will be tumed ON. (p. 16)
(1) FUNCTION DISPLAY (p. 3)
0 VOLUME CONTROL [VOL]
Rotate clockwise to increase and counterclockwise to decrease volum
4D)EXTERNAL SPEAKER AND MICROPHONE JACKS
Connect an optional speaker-microphone or headset, if desired.

Icom IC-4008A Specifications

General

Frequency range	144-146 MHz
RF Output Power	5W
Number of Channels	200
Mode	FM
Output Power	5W
Weight	1.2 kg
Type	Transceiver
Channel Spacing	25 kHz
Operating Voltage	13.8 V
Voltage	13.8 V

Summary

Panel Description Overview

PTT Switch Operation

Transmit/receive operation and PTT hold function.

Mode Switch Functionality

Toggling between modes and squelch control.

Power Switch and Key Lock

Powering on and key lock function.

Panel Function Indicators

Function Display Indicators

Battery Pack Installation and Charging

Installing Battery Packs

How to install AA or BP-202 battery packs.

Battery Pack Charging Procedures

Charging rechargeable battery packs.

Battery Charging and Basic Operations

Battery Charging Connections

How to connect the charger and battery.

Powering On the Transceiver

Steps to turn the transceiver power on.

Adjusting Audio Volume

Basic Operations: Channel Selection and Communication

Selecting Operating Channels

How to change channels on the transceiver.

Receive and Transmit Operations

Procedures for receiving and transmitting signals.

Group Mode and CTCSS

Setting Group Code for CTCSS

How to set the group code for CTCSS operation.

Advanced Transceiver Functions

PTT Hold Function

Frees user from constantly holding the PTT button.

Key Lock Functionality

Locking keys to prevent accidental changes.

Additional Transceiver Features

Resetting the Transceiver to Defaults

Initializing settings to factory defaults.

Warranty Information

Warranty Service Instructions

Instructions for obtaining warranty service.