Kenwood TH-79A User Manual

OOOAN2DI
144/440 MHz FM DUAL BANDER
TH-79A
144/430 MHz FM DUAL BANDER
TH-79A
144/430 MHz FM DUAL BANDER
TH-79E
INSTRUCTION
MANUAL
KENWOOD CORPORATION
(PRINTED IN JAPAN B62-0423-30(K,P,E,M)(A)
09 08

Kenwood TH-79A Specifications

General

Modulation	FM
Channels	200
Memories	200
Antenna Impedance	50 Ω
Battery	7.2V
Receiver Sensitivity	0.16 µV for 12 dB SINAD
Power Requirements	7.2 VDC
Frequency Range	144-148 MHz / 430-450 MHz

Summary

BATTERY INFORMATION

NiCd BATTERY PACK (PB-32/PB-34)

Information on charging and installing/removing NiCd battery packs.

Recharging

Instructions for charging the NiCd battery pack, including notes and warnings.

Installing/Removing the Battery Pack

Step-by-step guide for installing and removing the battery pack.

INSTALLING/REMOVING ALKALINE OR MANGANESE BATTERIES (SOME GENERAL VERSIONS)

Guide for installing and removing non-rechargeable batteries.

MEMORY CHANNEL IDS

Storing IDs

INITIALIZING MEMORY

VFO Reset (Partial Reset)

Resets VFO data without affecting memory channels.

All Reset (Full Reset)

Resets all memory channels and settings to factory defaults.

OPERATING THROUGH REPEATERS

TRANSMITTER OFFSETS (SHIFT)

Explains how to set transmit frequency higher or lower than receive frequency.

SELECTING OFFSET DIRECTION

Sets transmit frequency offset direction (+ or -) relative to receive frequency.

AUTOMATIC TRANSMIT OFFSET

U.S.A. and Canada Versions

European Versions

Canceling Automatic Offset

SELECTING OFFSET VALUES MANUALLY

REVERSE FUNCTION

DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONS

Making DTMF Calls

Activating DTMF Transmit Hold

Storing DTMF Numbers for the Automatic Dialer

SCAN

SCAN RESUME METHODS

Time-Operated Scan

Carrier-Operated Scan

SELECTING SCAN RESUME METHOD

BAND SCAN

PROGRAM SCAN

Setting Scan Limits - VHF Band

Setting Scan Limits - UHF Band

FULL DUPLEX

CONTINUOUS TONE CODED SQUELCH SYSTEM (CTCSS)

SELECTING CTCSS FREQUENCIES

USING CTCSS

DUAL TONE SQUELCH SYSTEM (DTSS)

USING DTSS

How to use DTSS for selective calling and receiving via 3-digit codes.

DTSS AND REPEATERS

STORING PAGE CODES

CALLING

TONE ALERT

ACTIVATING TONE ALERT

MAINTENANCE

SERVICE NOTE

TROUBLESHOOTING

NOTHING APPEARS ON THE DISPLAY...

Troubleshooting steps for display issues, low voltage, and cable problems.

NO SOUND COMES FROM THE SPEAKER

Troubleshooting for no sound, squelch issues, and DTSS/Page/CTCSS settings.

Most keys and the ENC control do not function.

Memory channels cannot be recalled.

The Display shows indicators that are not described...

The ENC control will not select the exact frequency desired.

The dual bander will not transmit. A beep is heard each time [PTT] is pressed.

The dual bander switches OFF for no apparent reason.

Packet operation results in no connects with other stations.

INSTALLING THE TSU-8 CTCSS UNIT (TH-79A (GENERAL), TH-79E)

REMOVING THE TSU-8 CTCSS UNIT

CONNECTING AN EXTERNAL POWER SOURCE

Using a Regulated Power Supply

How to connect a regulated power supply via DC cable.

Using a Cigarette Lighter Socket

How to connect to a cigarette lighter socket via cable.

SPECIFICATIONS

Transmitter

Details transmitter output power and modulation characteristics.

Receiver

Details receiver circuitry, sensitivity, and selectivity.

TH-79A ADDENDUM

CROSS BAND REPEATER:

Allows the TH-79A to repeat signals from one band to another.