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Kenwood TM-2570A User Manual

Kenwood TM-2570A
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220MHz
FM
TRANSCEIVER
144MHz
FM
TRANSCEIVER
ITM-25/0A
TM-2550A
TM-2550E
TM-2530A
INSTRUCTION
MANUAL
KENWOOD
CORPORATION

Table of Contents

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Kenwood TM-2570A Specifications

General IconGeneral
BrandKenwood
ModelTM-2570A
CategoryTransceiver
LanguageEnglish

Summary

Features Overview

Specifications and Accessories

Specifications

Detailed technical specifications for radio models including frequency, power, and circuitry.

Included Accessories

List of accessories supplied with the radio units.

Installation and Connection

Installation Precautions and Power Supply

Guidelines for proper installation, ventilation, and power supply requirements.

Mounting Bracket Installation

Instructions for installing the mounting bracket for the transceiver.

Connection Procedures

Connection Precautions and Fixed Station Setup

Safety precautions, polarity, and fixed station connection guidance.

Mobile Installation and Wiring

Mobile Wiring and Ignition Noise

Vehicle wiring, bonding, and ignition noise suppression methods.

Mobile Antenna Connection

Notes on SWR and antenna connection for mobile use.

Operation

Controls and Functions Overview

Detailed explanation of the front panel controls, indicators, and their functions.

LCD Display Indicators

Keyboard Functions

Rear Panel Connections

Microphone Operation

Explanation of microphone controls like UP/DWN and PTT switches.

Reception Procedures

Transmission Procedures

Guidelines and precautions for transmitting signals and using the HI/LOW switch.

Memory Operations

Procedures for backing up, resetting, and inputting memory data.

Memory Channel Input

Paired Channel Configuration

Instructions for setting up and using paired channels for odd frequency shifts.

Priority Channel Selection

Scanning Operations

Overview of keyboard, memory, and priority channel scan modes.

Memory Scan from Keyboard

Procedure to initiate memory scan using keyboard controls.

Programmable Band Scan

Scan Lockout (Skip)

Procedure to temporarily skip unwanted memory channels during scan.

Priority Channel Scan Alert

Repeater Functions

Information on automatic repeater offset and tone frequency settings.

Automatic Repeater Offset

Pre-programmed repeater offsets and how to override them.

Tone Frequency Settings

Automatic Telephone Number Transmission

Telephone Number Programming

Step-by-step guide to programming telephone numbers into memory.

Storing Telephone Channels in Normal Memory

Initiating Automatic Telephone Transmission

Procedure to initiate automatic transmission of a stored telephone number.

DCL System Overview

DCL System Description

Explanation of the DCL system's automatic QSY and operating principles.

DCL Control Signal

DCL System Keyboard Functions

Digital Code Entry Procedure

Step-by-step guide for entering digital access codes.

Code Squelch Function

Channel Linkage Operation

Recall Function

Reset and Return Functions

How to reset the DCL system or return to original frequency.

Call Sign Entry

DCL System Notes and Considerations

Maintenance and Adjustment

General Information, Service, and Cleaning

General info, service procedures, cleaning, and battery replacement.

Microprocessor Back-up Battery Replacement

Information on replacing the microprocessor back-up lithium battery.

Adjustments

Cover Removal and Power/Level Adjustments

Cover removal, power output, and RF power meter adjustments.

Signal Level Adjustments

Adjustments for microphone gain, DTMF, sidetone, and beeper levels.

Scan Timer and Step Size Adjustments

Microprocessor Reset and Monitor Test Pins

Using reset pins, and call sign monitor test pins.

Block Diagrams

TM-3530A Block Diagram

Detailed block diagram of the TM-3530A transceiver's internal components.

TM-2570A Block Diagram

TM-2550A/2530A Block Diagram

TM-2550E Block Diagram

Optional Accessories

TU-7 Tone Unit Installation

Installation procedure for the TU-7 Tone Unit.

MU-1 Modem Unit Installation

Installation procedure for the MU-1 Modem Unit for DCL system.

VS-1 Voice Synthesizer Unit

Other Optional Accessories

List of other optional accessories including power supplies.

Microphones and Mobile Mount

SW-100A/100B SWR/POWER Meter

SWT-1 Antenna Tuning Unit

Description of the SWT-1 antenna tuning unit for efficient transmission.

Reference Information

Antenna Selection and Installation

Guidance on selecting and installing fixed station and mobile antennas.

Fixed Station Antennas

Types of fixed station antennas and their applications.

Mobile Antennas

Types of VHF mobile antennas and installation considerations.

Mobile Installation Details

Mobile Noise Reduction

Methods for reducing noise from ignition and other vehicle sources.

Battery Capacity and Connection

Observing battery capacity and proper connection for mobile operation.

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