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LDG AT-11MP User Manual

LDG AT-11MP
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AT
-
11MP
Automatic Antenna Tuner
Manual
Version 2.3G
LDG Electronics
1445 Parran Road, PO Box 48
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-11MP Specifications

General IconGeneral
BrandLDG
ModelAT-11MP
CategoryTuner
LanguageEnglish

Summary

AT-11MP Introduction and Operation

Introduction to the AT-11MP

Details the AT-11MP's configuration, tuning range, and meter functions.

Powering On and Standby Mode

Explains how to power the unit on, use standby mode, and the associated LED indicators.

Tuning Modes: Auto and Semi

Describes how Auto and Semi modes initiate the tuning process and required RF power.

Manual Tuning Adjustments

Details the use of Capacitor and Inductor Up/Down switches for fine-tuning.

Audio Feedback Feature

Explains the audio indication of SWR levels through a series of beeps.

Back Panel Connections and Radio Interface

Covers SO-239s, DC power jack, and the radio interface for compatible radios.

Operational Notes for Tuning

Advises on tuning in Semi mode and the need to reduce power when necessary.

Performance and Troubleshooting

Antenna Tuning Performance

Discusses actual tuning results with various antennas like dipoles and beams.

Mobile and Wire Antenna Usage

Explains tuner compatibility with mobile whips and random wires, including balun use.

SWR Bandwidth and Insertion Loss

Details the usable bandwidth and signal loss characteristics across frequencies.

Troubleshooting RF Interference

Addresses issues with RF getting into the tuner and processor lock-up.

Service, Upgrades, and Feedback

Product Service and Repair

Outlines procedures for remote support, warranty, and non-warranty repairs.

Future Upgrade Information

Provides details on available future upgrades and their associated costs.

User Feedback and Photos

Encourages users to share their experiences and provide photographs of the tuner in use.

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