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Kenwood TH-K20A User Manual

Kenwood TH-K20A
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INSTRUCTION MANUAL
© B62-2365-00 (K, E, M)
09 08 07 06 05 04 03 02 01 00
TH-K40A
TH-K40E
430 MHz FM TRANSCEIVER
NOTIFICATION
This equipment complies with the essential requirements of
Directive 1999/5/EC.
The use of the warning symbol means the equipment is subject
to restrictions of use in certain countries.
This equipment requires a licence and is intended for use in the
countries as below.
AT BE DK FI FR DE GR IS
IE IT LI LU NL NO PT ES
SE CH GB CY CZ EE HU LV
LT MT PL SK SI BG RO
ISO3166
144 MHz FM TRANSCEIVER
TH-K20A
TH-K20E

Table of Contents

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Kenwood TH-K20A Specifications

General IconGeneral
ModulationFM
Output Power5 W
Channels200
Antenna Impedance50 Ω
Frequency Range144-146 MHz
BatteryLi-Ion
Operating Temperature-10°C ~ +60°C
Power SupplyBattery
Supply Voltage7.4 V DC nominal

Summary

PRECAUTIONS AND SAFETY WARNINGS

General Warnings and Cautions

Details critical safety instructions and important notes to prevent damage or injury during operation.

PREPARATION AND INSTALLATION

BASIC OPERATION AND CONTROLS

Frequency Selection and Transmission

Methods for changing frequency and basic steps for transmitting and receiving signals.

MENU SYSTEM AND MEMORY MANAGEMENT

Memory and Call Channel Operations

Storing, recalling, naming, and managing memory channels and the dedicated Call Channel.

SCANNING FEATURES

Scan Types and Modes

Overview of Band, Program, Memory, Call, and Priority scan functionalities.

REPEATER AND SIGNALING OPERATIONS

Operating Through Repeaters

Using offset frequencies and tones for effective repeater access and communication.

Signaling Modes (CTCSS, DCS, Cross Tone)

Configuring signaling for selective communication and filtering unwanted calls.

BATTERY AND ACCESSORY INFORMATION

Battery Life and Charging Times

Information on expected operating time with different battery types and charging duration.

KEYPAD AND JACK FUNCTIONS

Keypad Operation Details

Detailed explanations of the functions assigned to each key on the transceiver keypad.

FREQUENCY SELECTION METHODS

VFO and MHz Tuning Modes

Changing frequency using VFO mode and the specialized MHz tuning mode.

Direct Frequency Entry

Entering desired frequencies directly using the numeric keypad.

MEMORY MANAGEMENT UTILITIES

REPEATER AND TONE OPERATIONS

Automatic Repeater Offset and Reverse Function

Auto-offset and frequency exchange features for efficient repeater use.

DTMF FUNCTIONS AND OPERATION

VOX FUNCTION AND TRANSMISSION CONTROL

Time-Out Timer and Busy Channel Lockout

Limiting transmission duration and preventing transmissions on occupied channels.

FREQUENCY AND ALERT CONFIGURATION

FUNCTION KEY CONFIGURATION

TROUBLESHOOTING GUIDE

OPERATIONAL GUIDANCE AND NOTICES

Transmission and Repeater Access Issues

Solutions for transmission failures, repeater access problems, and DTMF errors.

TRANSCEIVER RESET PROCEDURES

Key Operation and Menu Resets

Performing partial or full transceiver resets using key combinations or menu options.

TECHNICAL SPECIFICATIONS

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