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Table Of Contents
Introduction 3
Jumpstart, or “Real hams don’t read manuals!” 3
Specifications 4
An Important Word About Power Levels 4
Important Safety Warning 4
Getting to know your AT-600Pro 5
Front Panel: 5
Back Panel: 6
Installation 7
BASIC Operation 10
Using the Front Panel Buttons 10
User Configuration Options 10
Transmitting and Receiving 13
Tuning 14
Basic Tuning Operation 14
Manual Memory Tune 14
Manual Full Tune 15
Bypass Mode 16
Error Indication 16
Advanced Operation 18
Manual Inductor/Capacitor Adjustments 18
High/Low Relay Adjustment 18
Manual Memory Store 18
Status Check 19
Application Notes 20
Mobile Operation 20
Internally Generated RF Noise 20
MARS/CAP Coverage 20
Theory of Operation 21
Some basic ideas about impedance 21
Transmitters, transmission lines, antennas, and impedance 21
The LDG AT-600Pro 23
Quick Reference 24
A Word About Tuning Etiquette 24
Care and Maintenance 25
Technical Support 25
Two-Year Transferrable Warranty 25
Out Of Warranty Service 25
Returning Your Product For Service 26
Product Feedback 26