iv
IMPORTANT ................................................................................................... ii
EXPLICIT DEFINITIONS ................................................................................ ii
CAUTIONS ..................................................................................................... ii
SUPPLIED ACCESSORIES ........................................................................... iii
TABLE OF CONTENTS ................................................................................. iv
1 ACCESSORY ATTACHMENT ................................................................... 1
2 PANEL DESCRIPTION ......................................................................... 2–5
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Switches, controls, keys and connectors ............................................... 2
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Function display ..................................................................................... 4
3 BATTERY PACKS AND CHARGING ................................................... 6–8
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Battery pack charging ............................................................................ 6
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Charging precautions ............................................................................. 6
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About battery packs ............................................................................... 6
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Charging connections ............................................................................ 7
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Battery case ........................................................................................... 8
4 BASIC OPERATION ........................................................................... 9–14
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Power ON .............................................................................................. 9
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Setting a frequency ................................................................................ 9
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Setting tuning steps ............................................................................. 10
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Selecting a memory channel ................................................................ 11
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Lock function ........................................................................................ 11
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Receive and transmit ........................................................................... 11
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FM broadcast reception ....................................................................... 12
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Air band reception ................................................................................ 12
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Narrow FM operation ........................................................................... 12
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RIT/VXOa function ............................................................................... 13
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Receive mode ...................................................................................... 14
5 REPEATER OPERATION ................................................................. 15–17
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General ................................................................................................ 15
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Subaudible tones for repeater use ....................................................... 16
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Setting an offset frequency .................................................................. 16
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Auto repeater function ......................................................................... 17
6 MEMORY/CALL PROGRAMMING ................................................... 18–20
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General ................................................................................................ 18
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Programming a memory channel ......................................................... 18
TABLE OF CONTENTS
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Memory editing .................................................................................... 19
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Memory names .................................................................................... 20
7 DTMF MEMORY ..................................................................................... 21
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Programming a DTMF code ................................................................ 21
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Transmitting a DTMF code .................................................................. 21
8 SCAN FUNCTIONS .......................................................................... 22–24
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Scan types ........................................................................................... 22
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Full/programmed scan ......................................................................... 23
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Memory (skip) scan ............................................................................. 23
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Skip channel setting ............................................................................. 24
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Scan resume condition ........................................................................ 24
9 SUBAUDIBLE TONE OPERATION .................................................. 25–26
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Tone squelch ........................................................................................ 25
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Tone scan ............................................................................................ 26
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Pocket beep operation ......................................................................... 26
10 OTHER FUNCTIONS ........................................................................ 27–30
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Help function ........................................................................................ 27
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Initial set mode ..................................................................................... 27
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Resetting the CPU ............................................................................... 29
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Cloning ................................................................................................. 30
11 TROUBLESHOOTING ............................................................................ 31
12 SPECIFICATIONS ................................................................................... 32
13 OPTIONS ................................................................................................ 33
14 MODE ARRANGEMENT .................................................................. 34–35
15 CS-T81 CLONING SOFTWARE (OPTION) ...................................... 36–39
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Getting started ..................................................................................... 36
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System requirements ........................................................................... 36
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Software installation ............................................................................. 36
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COM port/Call sign setting ................................................................... 37
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Memory channel list description .......................................................... 37
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Edit menu ............................................................................................. 38
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DTMF autodial ..................................................................................... 38
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Common settings ................................................................................. 39
IC-T81A/E Manual-(1) 01.12.5 6:55 PM Page iv (1,1)
