Icom IC-R20 instruction manual Table of Contents

TABLE OF CONTENTS

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FOREWORD		i
IMPORTANT		i
EXPLICIT DEFINITIONS		i
PRECAUTION		ii
SUPPLIED ACCESSORIES		iii
OPERATING THEORY		iii
OPERATING NOTES		iii
TABLE OF CONTENTS		iv
QUICK REFERENCE GUIDE		I–VIII
	■ Preparations	I
	■ Your first scanning experience	IV
	■ Memory programming	VI
	■ Programmed scan operation	VII
1	PANEL DESCRIPTION	1–7
	■ Front, top and side panels	1
	■ Function display	6
2	BATTERY INSTALLATION/CHARGING ...	8–10
	■ Battery installation	8
	■ Caution	9
	■ Battery charging	9

3FREQUENCY AND CHANNEL SETTING

.......................................................... 11–16

■ Mode selection	11
■ Operating band selection	12
■ Setting a tuning step	14
■ Setting a frequency	14
■ Receive mode selection	16
■ Lock function	16
4 BASIC OPERATION	17–23
■ Receiving	17
■ Setting audio volume	17
■ Squelch level setting	18
■ Monitor function	18
■ Attenuator function	19

	■ RF gain	19
	■ Duplex operation	20
	■ AFC function	21
	■ NB/ANL functions	21
	■ Band scope	22
	■ [DIAL] function assignment	23
5	DUALWATCH OPERATION	24–25
	■ Main band selection	24
	■ Band exchange	24
	■ Setting audio volume	25
	■ Squelch level setting	25
6	MEMORY CHANNELS	26–33
	■ General description	26
	■ Memory channel programming	26
	■ Memory bank setting	27
	■ Memory bank selection	28
	■ Programming memory/bank name	29
	■ Selecting memory/bank name indication..... 30
	■ Copying memory contents	31
	■ Memory clearing	32
	■ Erasing/transferring bank contents	33
7	SCAN OPERATION	34–41
	■ Scan types	34
	■ Full/band/programmed scan	35
	■ Scan edges programming	36
	■ Memory/bank/all bank scan	37
	■ Auto-memory write scan	38
	■ Skip channel/frequency setting	39
	■ Scan resume condition	40
8	PRIORITY WATCH	42–44
	■ Priority watch types	42
	■ Priority watch operation	43
9	COMFORTABLE RECEIVING	45–48
	■ Tone/DTCS squelch operation	45

■Tone squelch frequency/DTCS code set-

ting	46
■ DTCS polarity setting	47
■ Tone scan	48
10 SET MODE	49–59
■ General	49
■ Set mode items	50
11 OTHER FUNCTIONS	60–67
■ Antenna selection	60
■ Weather channel operation	61
■ Data cloning	62
■ Auto power-off function	63
■ IC recorder	64
■ Partial reset	67
■ All reset	68
12 CONTROL COMMAND	68–69
■ General	68
■ Data format	68
■ Command table	68
13 FREQUENCY TABLE	70–77
■ TV channels	70
■ VHF marine channels	73
■ Weather channels	73
■ Other communications in the USA	74
■ Other communications—other countries .... 76
14 MAINTENANCE	78
■ Troubleshooting	78
15 SPECIFICATIONS	79
16 OPTIONS	80
17 DRIVER INSTALLATION	81
18 POCKET GUIDE	92
19 CE	94

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