Introduction

This document serves as the official instruction manual for the Kenwood TS-450S and TS-690S HF all-mode multi-band transceivers. It provides detailed information on the operation, specifications, installation, and maintenance of these advanced communication devices. Users are advised to read this manual carefully before operating the equipment to ensure proper and safe usage.

Key Features and Operation

The TS-450S and TS-690S are designed for versatile communication across various modes including SSB, CW, AM, FM, and FSK. The manual outlines the operating controls, initial settings, and advanced features such as memory channels, scanning, repeater operation, and computer interfacing. It also details specific operational modes like SSB, CW, FM, AM, and FSK, along with special functions like the automatic antenna tuner, voice synthesizer, and digital modulation capabilities.

Installation and Connections

Guidance is provided for both fixed station and mobile installations. Key aspects covered include antenna connection, proper grounding techniques to ensure safety and signal quality, and connecting external speakers and microphones. The manual emphasizes the importance of using appropriate accessories and adhering to safety precautions during installation.

Specifications and Accessories

Detailed specifications for both the TS-450S and TS-690S models are listed, including frequency ranges, power output, modes, sensitivity, selectivity, and physical dimensions. A comprehensive list of included accessories and optional equipment is also provided to help users set up and enhance their transceiver experience.

Maintenance and Safety

The manual includes essential information on cleaning the unit, troubleshooting common difficulties, and ordering spare parts. Crucially, it highlights important safety warnings to prevent electric shock, fire, and other hazards, such as proper ventilation, avoiding direct sunlight, and not placing objects on the unit.