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LDG AT-897Plus User Manual

LDG AT-897Plus
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AT-897PLUS OPERATIONS MANUAL MANUAL REV B
PAGE 1
AT-897Plus
Automatic Tuner
for Yaesu FT-897(D)
LDG Electronics
1445 Parran Road
St. Leonard MD 20685-2903 USA
Phone: 410-586-2177
Fax: 410-586-8475
ldg@ldgelectronics.com
www.ldgelectronics.com
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LDG AT-897Plus Specifications

General IconGeneral
Tuning MethodAutomatic
Input Voltage13.8 V DC
Weight2.5 lbs
Current Consumption300 mA
SWR Range1:1 to 3:1
Frequency Range1.8-54 MHz

Summary

Introduction

Jumpstart Operation

Instructions for initial setup and operation.

Specifications

Important Warnings

Power Levels

Information regarding power limitations and potential damage.

Six Meter Band Tuning

Specific guidance for tuning on the 6-meter band.

Safety Warning

Critical safety advice regarding power lines and antenna installation.

Getting to Know Your AT-897Plus

Front Panel Controls

Tune Button Functionality

Details the function of the Tune button.

Status LED Indicators

Explains the purpose and indications of the Status LED.

Rear Panel Connectors

Antenna and Ground Connectors

Describes antenna and ground connection points.

Radio and Computer CAT Ports

Details the CAT interface ports for radio and PC.

Installation Guide

Compatible Transceivers

Lists compatible Yaesu transceiver models.

Mounting to FT-897 Radio

Instructions for physically mounting the tuner to the radio.

Connection and Setup

Cable Installation

Steps for connecting the tuner to the transceiver.

Finishing Installation and PC Control

Final connection steps and PC control setup.

Operation Procedures

Power-up Sequence

Describes how the tuner powers up with the transceiver.

Basic Tuning Operations

Explains memory and full tuning cycles.

Toggle Bypass Mode

Initiate Memory Tune Cycle

Force Full Tune Cycle

Status Indicators and Applications

Status LED Codes

Table detailing the meaning of different Status LED indications.

Mobile Operation Guide

Guidance for using the tuner in a mobile setup.

MARS/CAP Coverage

PC Control via CAT

Theory of Operation

Understanding Impedance

Introduction to impedance and its relevance in RF circuits.

LDG AT-897Plus Design

Support and Maintenance

Tuning Etiquette

Advice on proper tuning procedures to avoid interference.

Care and Maintenance

Recommendations for cleaning and protecting the tuner.

Technical Support and Warranty

Information on obtaining assistance, warranty, and service.

Product Service and Feedback

Returning for Service

Instructions on how to return the product for repair.

Product Feedback

Encouragement for users to provide feedback on the product.

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