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iv

IMPORTANT ................................................................................................... ii
EXPLICIT DEFINITIONS ................................................................................ ii
CAUTIONS ..................................................................................................... ii
SUPPLIED ACCESSORIES ........................................................................... iii
TABLE OF CONTENTS ................................................................................. iv

1 ACCESSORY ATTACHMENT ................................................................... 1

2 PANEL DESCRIPTION ......................................................................... 2–5

Switches, controls, keys and connectors ............................................... 2

Function display ..................................................................................... 4

3 BATTERY PACKS AND CHARGING ................................................... 6–8

Battery pack charging ............................................................................ 6

Charging precautions ............................................................................. 6

About battery packs ............................................................................... 6

Charging connections ............................................................................ 7

Battery case ........................................................................................... 8

4 BASIC OPERATION ........................................................................... 9–14

Power ON .............................................................................................. 9

Setting a frequency ................................................................................ 9

Setting tuning steps ............................................................................. 10

Selecting a memory channel ................................................................ 11

Lock function ........................................................................................ 11

Receive and transmit ........................................................................... 11

FM broadcast reception ....................................................................... 12

Air band reception ................................................................................ 12

Narrow FM operation ........................................................................... 12

RIT/VXOa function ............................................................................... 13

Receive mode ...................................................................................... 14

5 REPEATER OPERATION ................................................................. 15–17

General ................................................................................................ 15

Subaudible tones for repeater use ....................................................... 16

Setting an offset frequency .................................................................. 16

Auto repeater function ......................................................................... 17

6 MEMORY/CALL PROGRAMMING ................................................... 18–20

General ................................................................................................ 18

Programming a memory channel ......................................................... 18

TABLE OF CONTENTS

Memory editing .................................................................................... 19

Memory names .................................................................................... 20

7 DTMF MEMORY ..................................................................................... 21

Programming a DTMF code ................................................................ 21

Transmitting a DTMF code .................................................................. 21

8 SCAN FUNCTIONS .......................................................................... 22–24

Scan types ........................................................................................... 22

Full/programmed scan ......................................................................... 23

Memory (skip) scan ............................................................................. 23

Skip channel setting ............................................................................. 24

Scan resume condition ........................................................................ 24

9 SUBAUDIBLE TONE OPERATION .................................................. 25–26

Tone squelch ........................................................................................ 25

Tone scan ............................................................................................ 26

Pocket beep operation ......................................................................... 26

10 OTHER FUNCTIONS ........................................................................ 27–30

Help function ........................................................................................ 27

Initial set mode ..................................................................................... 27

Resetting the CPU ............................................................................... 29

Cloning ................................................................................................. 30

11 TROUBLESHOOTING ............................................................................ 31

12 SPECIFICATIONS ................................................................................... 32

13 OPTIONS ................................................................................................ 33

14 MODE ARRANGEMENT .................................................................. 34–35

15 CS-T81 CLONING SOFTWARE (OPTION) ...................................... 36–39

Getting started ..................................................................................... 36

System requirements ........................................................................... 36

Software installation ............................................................................. 36

COM port/Call sign setting ................................................................... 37

Memory channel list description .......................................................... 37

Edit menu ............................................................................................. 38

DTMF autodial ..................................................................................... 38

Common settings ................................................................................. 39

IC-T81A/E Manual-(1)  01.12.5 6:55 PM  Page iv (1,1)

Summary of Contents for IC-T81A

Page 1: ...sub ject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operat...

Page 2: ...et or other audio accessories at high volume levels Hearing experts advise against continuous high volume op eration If you experience a ringing in your ears reduce the volume or discontinue use NEVER...

Page 3: ...y Even when the transceiver power is OFF a slight current still flows in the circuits Remove the battery pack or case from the transceiver when not using it for a long time Otherwise the battery pack...

Page 4: ...requency 16 Auto repeater function 17 6 MEMORY CALL PROGRAMMING 18 20 General 18 Programming a memory channel 18 TABLE OF CONTENTS Memory editing 19 Memory names 20 7 DTMF MEMORY 21 Programming a DTMF...

Page 5: ...when jacks are not in use to avoid bad con tacts D Handstrap Attach the handstrap to the belt clip be fore attaching the belt clip to the trans ceiver as below D Belt clip Attach the belt clip to the...

Page 6: ...RX INDICATOR p 11 Lights red while transmitting green while receiving or when the squelch is open r PTT SWITCH PTT p 11 Push and hold to transmit release to receive t POWER SWITCH PWR p 9 Push for 1 s...

Page 7: ...PTT 33 k 2 k 2 OUTPUT POWER KEY H L LOCK Push to toggle between low and high power p 11 LOW appears while low power is selected Push for 1 sec to toggle the lock function on off p 11 L appears while...

Page 8: ...4 2 PANEL DESCRIPTION Function display T SQL SKIP MR DUP FM W VOL LOW 1 5 9 AM q w e r t y u i 0 1 o IC T81A E Manual 1 01 12 5 6 55 PM Page 4 1 1...

Page 9: ...p chan nel y MEMORY MODE INDICATOR p 11 Appears while in memory mode u MEMORY CHANNEL INDICATOR Indicates the selected memory channel and other items such as the call channel set mode items etc i S RF...

Page 10: ...or more chargers at the same time Charging may not occur under temperatures of 10 C 50 F or over temperatures of 40 C 104 F About battery packs D Operating period Depending on attached battery pack t...

Page 11: ...he 4 supplied screws Insert the optional AD 87A CHARGE ADAPTER into the charg ing slot of the BC 119 Insert the optional AD 87B CHARGE ADAPTER into AD 87A check orientation Insert the battery pack eit...

Page 12: ...ERY CASE is con nected charging cannot take place Wall charger OPC 254L optional To DC13 5V black white CP 12L optional To charge the battery pack 13 to 16 V DC is necessary Battery case When using a...

Page 13: ...etting a frequency D Via the keypad from the MHz digits Push VFO to select VFO mode Push digit keys correspond ing to the desired frequency When inputting a frequency in the 50 or 1200 MHz bands it is...

Page 14: ...ect the desired tuning step Push VFO to exit set mode CONVENIENT Select a tuning step that matches the frequency intervals of repeaters in your area 10 4 BASIC OPERATION D Via the keypad from the deci...

Page 15: ...h MULTI to set a volume level Set the squelch level While pushing SQL rotate DIAL 10 selections are available OPEN AUTO and SQL 1 to SQL 8 Set an operating band and frequency When a signal is received...

Page 16: ...e in AM receive mode To select the air band Push MULTI one or more times until AM appears in the dis FM W play then rotate DIAL to select a frequency or Select a frequency with the digit keys directly...

Page 17: ...ted VXO VXO activated or OFF neither activated DIAL can also be used Push VFO to exit set mode and return to the previously selected mode When RIT or VXO is activated ap pears above the decimal point...

Page 18: ...il MO appears Push MULTI or rotate DIAL one or more times to select AM Push VFO to exit set mode and return to VFO mode AM appears when frequencies in the 50 MHz band are se lected NOTE When AM operat...

Page 19: ...the following page Push and hold PTT to transmit The displayed frequency automatically changes to the transmit frequency repeater input frequency If OFF appears check the offset frequency p 16 Release...

Page 20: ...100 0 118 8 141 3 162 2 177 3 192 8 210 7 241 8 74 4 88 5 103 5 123 0 146 2 165 5 179 9 196 6 218 1 250 3 77 0 91 5 107 2 127 3 151 4 167 9 183 5 199 5 225 7 254 1 USING SET MODE T T Setting an offset...

Page 21: ...function is turned off ON1 the auto repeater function ac tivates for duplex only ON2 the auto repeater function ac tivates for duplex and tone Push VFO to exit initial set mode DUP Activates for duple...

Page 22: ...n p 23 Except for scan edge memory channels and call channels NOTE Memory channels can be assigned names of up to 6 characters When memory names are assigned each push of MR toggles between frequency...

Page 23: ...tate DIAL to select the memory call channel to be transferred to Push MR MW for 1 sec The contents are transferred and memory call mode is selected D Clearing a memory Memories can be cleared from VFO...

Page 24: ...select a character then push MULTI to advance to the next character Repeat step until the desired name appears Push MULTI to program the name and return to the NAME display then push VFO to return to...

Page 25: ...FO to exit DTMF programming mode Transmitting a DTMF code D Using a DTMF memory channel Push MR MW for 1 sec to enter memory write mode then push MULTI to enter DTMF memory mode One of D1 to D9 appear...

Page 26: ...d being scanned or to select a different pair of scan edges Push MULTI during memory skip scan to change the memory channel groups 1 2 GHz VHF UHF 50 MHz air band or WFM programmed memories or all pro...

Page 27: ...p 18 If the same frequencies are programmed into a pair of scan edges programmed scan does not proceed Memory skip scan Push MR to select memory mode if necessary Push MULTI for 1 sec to start the sc...

Page 28: ...e channels 0A to 9B cannot be set to show SKIP settings however they will be skipped dur ing scan SKIP MR MR Scan resume condition The resume condition can be selected as a pause or timer scan This se...

Page 29: ...pears NOTE Some tone frequencies may receive interference from adjacent tone frequencies CONVENIENT Store subaudible tone frequencies and tone squelch on off settings in memories call for easy recall...

Page 30: ...ush TSCAN or PTT or VFO to stop the scan Pocket beep operation This function uses subaudible tones for calling and can be used as a common pager to inform you that someone has called you while you wer...

Page 31: ...seldom changed settings In this way you can customize transceiver operations to suit your preferences While pushing MULTI push PWR to turn power on The transceiver enters initial set mode and an initi...

Page 32: ...ighting remains ON continu ously D Beep tones ON OFF Confirmation beep tones normally sound when you push a key or switch These can be turned ON default or OFF as you prefer D Auto repeater see p 17 D...

Page 33: ...of two levels 1 is low contrast and 2 default is high contrast Resetting the CPU Reset the CPU before operating the transceiver for the first time or when the internal CPU malfunctions While pushing...

Page 34: ...ng transferred to the slave transceiver CL IN appears automatically in the slave transceiver s display and the S RF indicator shows that data is being received from the master trans AT POWER ON 1 5 9...

Page 35: ...y channels 00 and or 01 are not pro grammed and simple mode is selected Tone squelch is activated Some memories have been cleared RIT VXO function has not been activated or the 1200 MHz band is not se...

Page 36: ...A 0 8 A typ 1200 MHz Antenna connector SMA 50 Usable temperature range 10 C to 60 C 14 F to 140 F Dimensions 58 W 106 H 28 5 D mm 29 32 W 43 16 H 11 8 D in Weight approx 300 g 10 6 oz w ant BP 197 28...

Page 37: ...to 1 5 hrs depending on the battery pack An AC adapter is packed with the BC 119 except for the UK version The AD 87 must be used with the BC 119 for charging the battery pack The CP 17L or OPC 515L c...

Page 38: ...pending on version MEMORY MODE CALL MODE MEMORY MENU push for 1 sec push for 1 sec VFO VFO MR MR CALL CALL CLR MHz VFO MW MR Memory clear p 19 Skip setting p 24 Memory names p 20 Memory write conditio...

Page 39: ...nly Beep tones p 28 Battery voltage p 29 Tuning step 1 p 10 1 Cannot be selected when entering set mode from a memory or call channel 2 50 MHz band only 3 1200 MHz band only Power saver duty p 28 Scan...

Page 40: ...Count on us 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5571D 1EX Printed in Japan 1999 Icom Inc IC T81A E Manual 1 01 12 5 6 56 PM Page 40 1 1...

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