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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-100ProII 5
Front Panel: 5
Back Panel: 6
Installation 7
BASIC Operation 9
Using the Front Panel Buttons 9
User Configuration Options 9
Transmitting and Receiving 12
Tuning 13
Basic Tuning Operation 13
Manual Memory Tune 13
Manual Full Tune 14
Bypass Mode 14
Error Indication 15
Advanced Operation 17
Manual Inductor/Capacitor Adjustments 17
High/Low Impedance Relay Adjustment 17
Manual Memory Store 17
Status Check 17
Application Notes 18
Mobile Operation 18
Conserving Power When Operating on Batteries 19
Internally Generated RF Noise 19
MARS/CAP Coverage 19
Theory of Operation 19
Some basic ideas about impedance 19
Transmitters, transmission lines, antennas, and impedance 20
The LDG AT-100ProII 21
Quick Reference 23
A Word About Tuning Etiquette 24
Care and Maintenance 24
Technical Support 24
Two-Year Transferrable Warranty 24
Out Of Warranty Service 25
Returning Your Product For Service 25
Product Feedback 25