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Yaesu FT-891 User Manual

Yaesu FT-891
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HF/50MHz TRANSCEIVER
FT- 891
Operating Manual

Table of Contents

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Yaesu FT-891 Specifications

General IconGeneral
ModesSSB, CW, AM, FM, Digital
Impedance50 Ohms
Power Supply Requirement13.8 V DC ±15%
Weight4.18 lbs (1.9 kg)
Supply Voltage13.8 V DC ±15%
Output Power100W SSB/CW/FM (AM: 25W)
Dimensions6.1 x 2.0 x 8.6 inches (155 x 52 x 218 mm)
RF Output Power100W (HF/50MHz), 50W (144MHz), 20W (430MHz)
Current ConsumptionTX: 23 A, RX: 2 A

Summary

Introduction to FT-891 Transceiver

Safety Precautions

Type and Meaning of Marks

Explains symbols indicating danger, warning, and caution for safe operation.

Type and Meaning of Symbols

Explains symbols for prohibited actions and required precautions for safe radio use.

DANGER Precautions

Lists critical dangers to avoid during operation and setup to prevent serious injury.

Safety Precautions

WARNING Precautions

Details critical warnings regarding electrical safety, handling, and operation to prevent damage or injury.

Safety Precautions

CAUTION Precautions

Lists cautions for placement, environmental factors, and proper usage to prevent equipment failure.

Accessories & Options

Supplied Accessories

Lists all items included in the transceiver package.

Optional Accessories

Lists optional accessories available for purchase to enhance functionality.

Installing the Radio

Antenna Considerations

Guidelines for selecting and connecting antennas for optimal performance and impedance matching.

Coaxial Cable and Connections

Recommends quality coaxial cable and illustrates proper connection for antenna and power.

Mobile Radio Installation Precautions

Safety and operational advice for installing the radio in a vehicle.

Installing the Radio

Installation Precautions

General advice on placement and environmental considerations for successful installation.

Antenna Installation

Steps and considerations for securely mounting the antenna base and routing cables.

Installing the Radio

Main Body Installation

Instructions for mounting the main transceiver unit using the provided bracket.

Front Panel and Mobile Installation

Recommendations for optimal placement of front panel and main body in a vehicle.

Installing the Radio

Antenna and Power Cable Connections

Details on connecting antenna coaxial and DC power cables, including voltage and fuse requirements.

Before You Begin

Installing the Microphone

Step-by-step guide for connecting the microphone to the transceiver.

Before You Begin

Microphone Key Button Functions

Explains the functions of each button on the supplied MH-31A8J microphone.

Before You Begin

Control Panel Connectors and Dial Torque

Details the SP-PH switch, SP/PH jack, and how to adjust the main tuning dial torque.

Before You Begin

Base Station Tilt Stand Operation

Instructions on using the tilt stand for better viewing of the transceiver unit.

Resetting the Microprocessor

All Reset Procedure

Procedure to restore all settings to original factory defaults, clearing all memories.

Resetting Memory Channels

How to reset only memory channels without affecting configuration settings.

Resetting the Microprocessor

Function Resetting

Resets menu and programmable function key settings to factory defaults.

Adjusting Display Settings

Display Contrast Adjustment

How to adjust the LCD contrast for optimal readability.

Display Dimmer Adjustment

How to adjust the LCD illumination level for comfortable brightness.

Front Panel Controls & Switches

Display and Indicator Overview

Explains the LCD display elements and the TX/BUSY indicator.

Key Functions Overview

Explains the operation of the Power/Lock key and the Fast tuning key.

Front Panel Controls & Switches

Band, Mode, and VFO/Memory Keys

Details keys for band/mode selection and VFO/memory operations.

Front Panel Controls & Switches

Memory Bank and Function Access Keys

Explains the QMB key, F key, and programmable function keys for quick access.

Front Panel Controls & Switches

Spectrum Scope, Noise Blanker, and Clarifier Controls

Explains controls for spectrum scope, noise blanker, and clarifier functions.

Main Tuning and Audio Controls

Details the main tuning dial and audio volume controls.

About the Display

Operating Mode and Meter Indicators

Explains indicators for operating modes and displays for various meters.

Display Icons

Explains the meaning of various status icons shown on the transceiver display.

About the Rear Panel

Ground, Firmware, and Tuner/Amplifier Connections

Details rear panel connections for ground, firmware updates, and external tuners/amplifiers.

About the Rear Panel

Data, USB, and Keyer Connections

Explains rear panel jacks for RTTY/DATA, USB computer control, and keyer input.

About the Rear Panel

Speaker, Antenna, and Power Connections

Details rear panel connections for external speaker, antenna, and DC power supply.

Begin Using Your New Transceiver

Powering On/Off and Volume Adjustment

Instructions for powering the transceiver on/off and setting the audio volume level.

Band and Mode Selection

Guide to selecting amateur bands and operating modes on the transceiver.

Begin Using Your New Transceiver

Setting Operating Frequency and Tuning Steps

How to set the operating frequency and adjust tuning step rates using the dial.

Begin Using Your New Transceiver

Microphone Scanning and Mode Selection

Using microphone UP/DWN keys for scanning and selecting operating modes.

Begin Using Your New Transceiver

Transmission (SSB/AM/FM mode)

How to transmit in SSB, AM, and FM modes using the microphone PTT switch.

QMB (Quick Memory Bank) Channels

Storing, Recalling, and Erasing QMB Data

Procedures for managing data within the Quick Memory Bank.

Operating Instructions 1

Dial Knob Lock

How to lock the main tuning dial to prevent accidental frequency changes.

Noise Blanker Operation

Using the IF Noise Blanker to reduce interference from ignition systems.

Operating Instructions 2

Clarifier Function for SSB/CW

Adjusts receive frequency offset for SSB/CW modes to track drifting signals.

Operating Instructions 3

IF SHIFT Operation for Interference Reduction

Adjusts the DSP filter passband to reduce or eliminate interference.

Operating Instructions 4

Meters, VOX, Speech Processor, and Parametric EQ

Explains meters, VOX operation, speech processor, and microphone equalizer functions.

Scope Function

Manual vs. Continuous Sweep Modes

Describes manual and continuous sweeping modes for spectrum display.

60-Meter Band Operation (U.S./U.K.)

Memory Operation

Normal Memory Storage and Management

Covers storing, naming, and grouping memory channels for essential frequencies.

Memory Operation

Memory Channel Recall and VFO Copying

How to recall stored memory channels and copy data to VFO-A.

Memory Operation

Erasing and Restoring Memory Data

Procedures for erasing and restoring stored memory data.

Scanning Operation

VFO and Scan Resume Options

How to perform VFO scanning and configure scan resume behavior.

Scanning Operation

Memory Scanning and Programmable Memory Scan

How to scan memory channels and use Programmable Memory Scan.

CW Mode Operation

CW Transmission and Adjustment

Covers CW transmission, delay time, sidetone, and keyer speed adjustments.

Setting Modes

Navigating Setting Modes

How to access and use various setting modes for transceiver configuration.

Setting Modes

Assigning Functions to Programmable Keys

How to assign functions like IF SHIFT to the [A]/[B]/[C] keys.

Setting Modes

FUNCTION-1 Settings

Details functions available in the FUNCTION-1 setting menu.

Setting Modes

FUNCTION-2 Settings

Details functions available in the FUNCTION-2 setting menu.

Setting Modes

CW Setting Modes

Configuration options specific to CW mode operation.

Setting Modes

FM Setting Modes

Configuration options for FM mode, including Tone and DCS settings.

Setting Modes

REC and ATAS Setting Modes

Settings for recording functions and the Active Tuning Antenna.

Menu Mode

Menu Mode

Menu Mode

Menu Mode

Menu Mode

Specifications

General and Transmitter Specifications

Lists general specs like frequency range and transmitter power output.

Specifications

Receiver and Selectivity Specifications

Details receiver circuit type, sensitivity, and mode selectivity.

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