Introduction to the FT-840
The Yaesu FT-840 is a high-performance transceiver designed for amateur radio enthusiasts. It offers up to 100 watts of transmitter output power across all HF amateur radio bands, supporting CW, SSB, and FM modes, with a 25-watt carrier for AM. The receiver is capable of tuning frequencies from 100 kHz to 30 MHz with precise 10 Hz steps, providing a versatile platform for communication.
This manual serves as a comprehensive guide to understanding and operating the FT-840. It details the front and rear panel controls, LCD indicators, meter functions, general description, specifications, and available accessories. Whether you are a beginner or an experienced operator, this guide will help you maximize the potential of your FT-840.
Key Features
- 100 Watts Output Power (HF Bands)
- Wide Receiver Frequency Range (100 kHz - 30 MHz)
- Multiple Emission Modes: USB, LSB, CW, AM, FM
- High-Performance Receiver with Low Noise Front End
- Advanced DDS Tuning for Smooth Operation
- Optional TCXO-4 for Enhanced Frequency Stability
- Optional IF Filters for Improved Selectivity (CW, AM)
- 100 Memory Channels with Flexible Scanning Features
- Effective Noise Blanker and All-Mode Squelch
- Multi-Function Meter and AF Speech Compressor
- Computer Control Capability via FIF-232 Interface
- Compatibility with External Automatic Antenna Tuners (FC-10, FC-800)
Getting Started
Before operating the FT-840, it is recommended to read the 'Installation' section carefully, paying close attention to all warnings to prevent damage to the unit. Following installation, proceed through the 'Operation' chapter, utilizing the provided panel diagrams for detailed understanding. This manual is designed to be used alongside the transceiver, allowing you to try out each control and feature as it is described.
For more information on Yaesu products, visit Yaesu.com.
