TABLE OF CONTENTS

FOREWORD …………………………………………………………………… i

SUPPLIED ACCESSORY ……………………………………………………… ii

IMPORTANT …………………………………………………………………… iii

PRECAUTION ……………………………………………………………… iii–iv

TABLE OF CONTENTS ……………………………………………………… v

1 PREPARATION …………………………………………………………… 1

Belt clip attachment ……………………………………………………… 1

Battery installation ……………………………………………………… 1

2 PANEL DESCRIPTION ………………………………………………… 2–4

Switches, controls, keys and connectors ……………………………… 2

Function display ………………………………………………………… 4

3 BATTERY CHARGING ………………………………………………… 5–7

Battery caution …………………………………………………………… 5

Charging connections …………………………………………………… 6

4 BASIC OPERATION …………………………………………………… 8–9

Power ON ………………………………………………………………… 8

Adjusting the volume …………………………………………………… 8

Selecting the operating channel………………………………………… 9

5 RECEIVE AND TRANSMIT ………………………………………… 10–11

6 GROUP MODE (CTCSS) …………………………………………… 12–13

Setting the group code ………………………………………………… 12

7 SCAN FUNCTION ………………………………………………………… 14

8 RING FUNCTIONS ……………………………………………………… 15

Smart-Ring ……………………………………………………………… 15

Call-Ring ………………………………………………………………… 15

9 OTHER FUNCTIONS ………………………………………………… 16–21

Voice scrambler function ……………………………………………… 16

Initial set mode ………………………………………………………… 16

Lock function …………………………………………………………… 19

Low battery indicator …………………………………………………… 19

Auto power save………………………………………………………… 19

ATS (Automatic Transponder System) ……………………………… 20

Resetting the transceiver ……………………………………………… 20

Optional HM-75A functions …………………………………………… 21

10 SPECIFICATIONS …………………………………………………… 22–23

11 OPTIONS ………………………………………………………………… 24

12 MEMO ……………………………………………………………………… 25

v

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Socket Mobile IC-4088A instruction manual Table of Contents