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LDG AT-200PROII User Manual

LDG AT-200PROII
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AT-200PROII OPERATIONS MANUAL MANUAL REV B
PAGE 1
LDG AT-200ProII
200W Automatic
Antenna Tuner
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-200PROII Specifications

General IconGeneral
BrandLDG
ModelAT-200PROII
CategoryTuner
LanguageEnglish

Summary

INTRODUCTION

AT-200ProII Quick Start

Quick start guide for initial setup and operation.

Specifications and Safety

Power Level Safety

Warning about exceeding power limits to prevent damage.

Antenna Installation Safety

Crucial safety advice regarding antenna installation near power lines.

Understanding Your AT-200ProII

Front Panel Controls

Description of the front panel buttons, LED bargraph scales, and indicator LEDs.

Back Panel Connections

INSTALLATION GUIDE

Setup, Grounding, and Protection

Recommendations for proper grounding and lightning arrestor installation for safety and performance.

Installation Wiring Diagrams

Typical and ICOM Wiring

Illustrates standard and ICOM radio installation configurations.

Yaesu FT-857/897 Wiring Diagram

BASIC OPERATING PROCEDURES

Front Panel Button Functions

Explains how to operate the AT-200ProII using its front panel buttons.

User Configurable Settings

Details how to access and set user-configurable options for the tuner.

Display Mode Configuration

Power Meter Display Modes

Explains how to toggle between average and peak power display modes.

Tuning Configuration Options

Wattmeter Scale Settings

Covers changing the power meter scale selection.

Automatic Tuning Threshold

Describes how to set the SWR threshold for automatic tuning cycles.

Antenna Selection and Bypass Operation

Managing Antenna Ports

Explains how to select and manage antenna ports.

Bypass Mode Indicator

Details the function and indication of the Bypass LED.

TUNING PROCESSES

Initiating a Tuning Cycle

Overview of how tuning cycles are initiated and their types.

Manual Memory Tuning Procedure

Instructions for performing a memory tuning cycle.

Advanced Tuning and Bypass

Manual Full Tuning Procedure

Explains how to explicitly initiate a full tuning cycle.

Using the Bypass Feature

Details the bypass function and its indicator LED.

Troubleshooting Tuning Errors

Visual Error Code Reference

ADVANCED TUNING ADJUSTMENTS

Manual Inductor and Capacitor Tuning

How to manually adjust inductor and capacitor values for fine-tuning.

High/Low Impedance Relay Control

How to manually set the high/low impedance relay.

Checking Current Settings

APPLICATION NOTES

Mobile Installation and Operation

Guidance for using the AT-200ProII in a mobile environment.

Noise, MARS, and CAP Usage

Explanation of RF noise and tuner coverage for MARS/CAP operations.

Tuning with Kenwood TS-480HX

THEORY OF OPERATION

Fundamentals of RF Impedance

Explains fundamental concepts of impedance in RF circuits.

SWR, Mismatch, and Tuner Functionality

LDG AT-200ProII Design and Algorithm

QUICK REFERENCE TABLE

OPERATIONAL BEST PRACTICES

Tuning Etiquette Guidelines

Guidelines for proper tuning etiquette on ham radio bands.

Maintenance and Support Information

Instructions for care, maintenance, and obtaining technical support.

WARRANTY AND SERVICE INFORMATION

Product Warranty Details

Details the terms and conditions of the product's two-year transferable warranty.

Returning Products for Repair

Procedures for obtaining out-of-warranty service and returning the product for repair.

CUSTOMER FEEDBACK

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