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Yaesu FT-847 User Manual

Yaesu FT-847
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FT-847
OPERATING
MANUAL
YAESU MUSEN CO., LTD.
4-8-8 Nakameguro, Meguro-Ku, Tokyo 153-8644, Japan
YAESU U.S.A.
17210 Edwards Rd., Cerritos, CA 90703, U.S.A.
YAESU EUROPE B.V.
P.O. Box 75525 1118 ZN, Schiphol, The Netherlands
YAESU UK LTD.
Unit 12, Sun Valley Business Park, Winnall Close
Winchester, Hampshire, SO23 0LB, U.K.
YAESU GERMANY GmbH
Am Kronberger Hang 2, D-65824 Schwalbach, Germany
YAESU HK LTD.
11th Floor Tsim Sha Tsui Centre, 66 Mody Rd.,
Tsim Sha Tsui East, Kowloon, Hong Kong

Table of Contents

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Yaesu FT-847 Specifications

General IconGeneral
Antenna Impedance50 ohms
Supply Voltage13.8 V DC ±15%
ModesSSB, CW, AM, FM
Receiver TypeDouble conversion superheterodyne
Image Rejection>70 dB
IF Rejection70dB
Antenna ConnectorSO-239
Current ConsumptionTX: 22 A

Summary

General Description

Specifications

General & Transmitter Specifications

Details frequency range, modes, power output, modulation types, and other technical parameters.

Receiver Specifications

Covers receiver sensitivity, squelch, selectivity, and audio output characteristics.

Accessories & Options

Supplied and Available Accessories

Lists items included with the transceiver and optional accessories for purchase.

Plug Pinout

Connector Pinouts

Diagrams and pin assignments for various transceiver connectors.

Installation

Power Connections

Guidance on DC power connection, polarity, and mobile installation tips.

Grounding

Importance of effective ground systems for base and mobile stations.

Antenna Considerations

Guidance on antenna impedance, connectors, coaxial cables, and mobile installations.

RF Field Exposure & EMC

Information on FCC RF exposure regulations and electromagnetic compatibility.

Heat, Ventilation, and Stand

Ensuring proper ventilation and using the base station wire stand.

Accessory Interfacing

Accessory Interfacing Overview

General guidelines for connecting accessories and linear amplifier interfacing.

Linear Amplifier Interfacing

Details on connecting linear amplifiers via RF output and T/R control lines.

VHF/UHF Preamplifiers

Connecting and operating VHF/UHF preamplifiers with the transceiver.

AFSK TNC & Receiver Accessories

Connecting TNCs for AFSK modes and receiver accessories.

FM Packet TNC Interfacing

Detailed instructions for connecting an FM Packet TNC.

CW & Data Interface

Connecting CW accessories and receiver data interfaces.

Front Panel Controls & Switches

Core Controls Overview

Description of essential controls like MIC, PWR, SQL, ATT, AGC, PROC, RF AMP, NB, MONI, AF/RF.

Basic Operation Controls

Explanation of POWER, MOX, TUNER, and PHONE controls.

More Essential Controls

Details on MIC, PWR, SQL, ATT, AGC, PROC, RF AMP, NB, MONI, AF/RF controls.

Mode and Search Controls

Functionality of S.SRCH, NAR, MODE switches, and VOICE switch.

VFO, Satellite, and Lock Controls

Explanation of FAST, VFO, SHUTTLE JOG, LOCK, SATELLITE, HOME, VFO/M, TRACK controls.

Satellite and Memory Controls

Description of SPLIT, SAT, MCK/W, AuB, and SUB switches.

Advanced Controls

Details on Keypad, SHIFT, DSP FIL, NOTCH, NR, CLAR, SUB-TUNE, MENU, MEM/VFO CH, QMB.

Display Indicators and Icons

Operational and Band Indicators

Explains command icons, band operating icons, and S-meter.

Feature and Status Indicators

Details DSP, tuner status, CAT, and tone indicators.

Rear Panel Connectors

Power and Data Ports

Details DC power, GND, KEY, CAT, TUNER, PKT, and DATA IN/OUT connectors.

Audio and Antenna Ports

Describes SP, EXT PTT, EXT ALC, STBY, and coaxial antenna connectors.

Operation

Initial Setup

Steps for initial setup including power, ground, antennas, and control presets.

Operation Quick Start

A step-by-step guide to basic transceiver operation.

Frequency Navigation & VFO Operation

Methods for frequency setting and using VFOs.

Tuning Controls & Panel Locking

Using SHUTTLE JOG, LOCK switch for controls.

Memory/VFO CH Knob & Scanning Keys

Functionality of MEM/VFO CH knob and scanning keys.

Band and Frequency Entry

Using BAND/MHz keys and keypad for frequency entry.

Receiver Features

Preamplifiers & Gain Controls

Details on RF Preamplifiers (internal/external) and RF Gain control.

Noise Blanker, Clarifier & Noise Reduction

Functionality of IF Noise Blanker, Clarifier, and DSP Noise Reduction.

DSP Noise Reduction, Squelch & Synthesizer

Explains DSP Noise Reduction, Squelch, and Voice Synthesizer.

Metering and Narrow IF Filters

Details on Metering functions and Narrow IF Filters.

IF Shift & DSP Bandpass Filters

Explanation of IF SHIFT control and DSP Bandpass Filters.

Notch Filter & CW Reverse

Functionality of DSP Notch Filter and CW Reverse mode.

SSB Transmission

Basic SSB Operation

Procedure for basic SSB transmission using microphone and controls.

Speech Processor & Voice Monitor

Using the RF Speech Processor and Voice Monitor.

Basic SSB Operation

Steps for SSB transmission with microphone and PTT.

TX Frequency Response Adjustment

Adjusting SSB TX Frequency Response (Carrier Point).

CW Transmission

Straight Key/External Keyer Operation

Operating CW with straight keys or external keyers.

Sidetone and Delay Settings

Adjusting CW sidetone volume, pitch, and delay.

Electronic Keyer & CW Spot Feature

Using the built-in electronic keyer and CW SPOT feature.

FM Transmission

Basic FM Operation

Procedure for basic FM transmission.

Channelized Frequency Navigation

Using MEM/VFO CH knob for FM channel tuning.

Simplex, Repeater Shift & Tone Access

Simplex operation, repeater shift control, and 1750 Hz tone access.

CTCSS Operation

Using CTCSS Encoder/Decoder and setting tone frequencies.

DCS and DTMF Operation

Details on DCS and DTMF (Autopatch) operation.

DCS Code Selection

Procedure for selecting DCS codes.

Cross-Band Repeater Operation

Setup and considerations for cross-band repeater operation.

FM Packet Operation

Packet Operation Setup

Configuring the FT-847 for 1200 or 9600 bps packet operation.

AFSK RTTY/Data Operation

AFSK Data Mode Setup

Using the DATA IN/OUT jack for AFSK RTTY/Data modes.

AM Transmission

Basic AM Operation

Procedure for AM transmission using an early-stage modulator.

Alaska Emergency Frequency Operation

Emergency Channel Setup

Enabling TX/RX on the Alaska Emergency Channel (U.S.A. version only).

Antenna Tuner (FC-20) Operation

FC-20 Operation Procedure

How to operate the optional FC-20 Automatic Antenna Tuner.

FC-20 Memory System

Guidelines for using the FC-20's memory system.

ATAS-100 Operation

ATAS-100 Automatic Tuning

Procedure for automatic tuning of the ATAS-100 antenna system.

ATAS-100 Notes and Setup

Guidance on ATAS-100 grounding, external wattmeters, and band operation.

Split Frequency Operation (Non-Satellite)

Split Frequency DX Example

Demonstrates split frequency operation for DX work.

Satellite Operation

Satellite Operation Example

Step-by-step guide for operating an analog voice satellite.

Satellite Transponder Info & Metering

Lists satellite transponder data and explains satellite metering options.

Satellite Memory Registers & Labeling

Storing and labeling satellite memory registers.

Memory Operation

QMB (Quick Memory Bank)

Explains QMB memory storage and recall.

Main Memory System - Normal Storage

Procedure for storing frequencies in normal memory channels.

Main Memory System - Split Storage

Storing split frequency pairs into memory channels.

Main Memory System - Channel Recall

How to recall stored memory channels.

Main Memory System - Home Channel

Storing and recalling "HOME" channel frequencies.

Main Memory System - Erasing Memories

Procedures for erasing individual and all memories.

Smart Search™

Smart Search™ Operation

How to use the Smart Search™ feature for automatic channel loading.

Priority Channel Operation

Priority Channel Feature

Description of the Priority Channel feature for checking activity.

Scanning Operation

Scanning Overview

Explanation of the transceiver's scanning capabilities.

Memory Channel "Skip" Feature

How to skip busy channels during memory scanning.

Programmable Memory Scan

Programmable Memory Scan Setup

Using "L" and "U" memories to scan sub-bands.

WeatherFax Monitoring

WeatherFax Monitoring Setup

Instructions for monitoring HF WeatherFax broadcasts.

Menu System

Activation and Parameter Setting

How to activate the menu system and set parameters.

Menu System Selection Chart

A comprehensive list of menu items and their functions.

Menu Details: Dimmer, Freq. Steps, CW Pitch

Details on menu items related to display, frequency steps, and CW pitch.

Menu Details: Filters, CTCSS, DCS, ARS

Details on menu items for filters, CTCSS, DCS, and ARS.

Menu Details: Monitor, Beep, Packet, TX Meter, FM Preset, Resume

Details on menu items for monitor level, beep, packet, TX meter, FM preset, and resume.

Menu Details: Lock, Antenna Ports, Preamplifiers

Details on menu items for lock settings, antenna ports, and preamplifiers.

Menu Details: Tuner, Scan, Filters, Metering

Details on menu items for tuner, scan, filters, and metering.

Menu Details: Cross-Band Repeater, DCS Coding

Details on menu items for cross-band repeater and DCS coding.

Menu Details: Tuner, Scan, Filters, Tags, CAT Rate, Memory Clear

Details on menu items for tuner, scan, filters, tags, CAT rate, and memory clear.

CAT System Programming

CAT System Overview

Introduction to controlling the transceiver via a personal computer.

Opcode Command Chart

A chart detailing CAT command opcodes and parameters.

CAT Data Protocol and Commands

Explanation of CAT data protocol, byte format, and command construction.

Transceiver-to-Transceiver Cloning

Cloning Procedure

Steps for cloning frequency and memory data between FT-847 units.

Installation of Optional Accessories

Installing Optional Filters

Instructions for installing optional CW and SSB filters.

Installing Voice Synthesizer Unit

Instructions for installing the optional Voice Synthesizer Unit.

CPU Resetting & Memory Backup

Microprocessor Reset Procedures

Steps to reset the microprocessor to factory defaults.

In Case of Trouble

Troubleshooting Common Issues Part 1

Guidance for common problems like no power, no audio, transmission issues.

Troubleshooting Common Issues Part 2

Further troubleshooting for FM, Data modes, Scanning, Memory, CAT, and QSL cards.

Appendix

EME Operation Introduction

Introduction to Earth-Moon-Earth (EME) communication.

EME Operation Tutorial

Tutorial for EME contacts, Doppler shift, and QSO procedures.

High-Speed CW Meteor Scatter Operation

Configuration and connections for HSCW Meteor Scatter.

HSCW Meteor Scatter Controls & Tutorial

Setting controls and operating tutorial for HSCW Meteor Scatter.

HSCW Meteor Scatter Reports & Speed

Information on reports and sending speed for HSCW Meteor Scatter.

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