LDG RT-600 Page 2 Operation Manual Download

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RT-600 Operations Manual

Version 1.0

Introduction

Quickstart Guide

Specifications

An Important Word About Power Levels

Getting to know your RT-600

RC-600 Front Panel

Connections

Installation

Overview

Basic Installation

Secure the RT-600 to a Mast

Tips for Outdoor Installation

SWR Meter

Bias Tee Information

Operation

Operation Overview

Memory Tuning Cycle

Full Tuning Cycle

Bypass

Relay Protection

Re-tuning Prohibition

MARS/CAP Coverage

A Word About Tuning Etiquette

Care and Maintenance

Technical Support

Two-Year Transferrable Warranty

Out of Warranty Service

Returning Your Product For Service

Product Feedback

Table of Contents

Summary of Contents for RT-600

Page 1: ...LDG RT 600 600 WATT REMOTE AUTOMATIC 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 ...

Page 2: ... 600 to a Mast 8 Tips for Outdoor Installation 9 SWR Meter 11 Bias Tee Information 11 Operation 13 Operation Overview 13 Memory Tuning Cycle 13 Full Tuning Cycle 13 Bypass 14 Relay Protection 14 Re tuning Prohibition 14 MARS CAP Coverage 14 A Word About Tuning Etiquette 15 Care and Maintenance 15 Technical Support 15 Two Year Transferrable Warranty 15 Out of Warranty Service 16 Returning Your Prod...

Page 3: ...ucing or eliminating coax SWR losses The tuner is powered over the coax feedline so no additional cables are required The included RC 600 control unit provides DC power injection as well as a convenient on off switch power indicator and a TUNE button Quickstart Guide 1 Turn off power to your radio and amplifier 2 Connect the antenna jack on your amplifier to the Radio jack on the RC 600 3 Connect ...

Page 4: ...tts Power levels that significantly exceed specifications will definitely damage or destroy your RT 600 If your tuner fails under overload it could also damage your transmitter or transceiver Be sure to observe the specified power limitations Operating instructions in this manual direct you to bypass your amplifier for tuning This means turning your amplifier off or placing it in standby mode conn...

Page 5: ...orized settings are available the tuner runs a full tuning cycle storing the parameters for near instant recall on subsequent tuning cycles on that frequency In this manner the RT 600 learns as you use it adapting to your bands frequencies and antennas The RT 600 s latching relays hold the tuned configuration indefinitely even when DC power is completely removed Tuning memories are stored indefini...

Page 6: ...antenna to this SO 239 using the shortest practical coax cable Gnd wingnut Connect to antenna system ground Radio SO 239 Connect to the feedline which comes from the RC 600 controller The RC 600 controller has three connectors Tuner connects via coaxial cable to the Radio port on the RT 600 The RT 600 uses standard SO 239 connectors ...

Page 7: ...line To avoid damage always turn your radio and amplifier off before connecting or disconnecting anything Basic Installation Place the RT 600 tuner as near the antenna feed point as possible Place the included RC 600 controller in a convenient position near your amplifier Connect a 50 ohm coax jumper from the amplifier s antenna jack to the RC 600 s Radio jack Connect a 50 ohm coax cable from the ...

Page 8: ...he U bolt so that the flat edge of the clamp faces away from the mast Insert the threaded ends of the U bolt through the back of the mounting bracket at the top of the RT 600 Thread the nuts back onto the U bolt and snug them up Tighten only as much as is required to keep the RT 600 from sliding down the mast do not over tighten Install with the mounting bracket up and the connectors down to help ...

Page 9: ...600 mounting bracket dimensions below for sizing Tips for Outdoor Installation The RT 600 is weather resistant and suitable for permanent outdoor installation but it may leak if immersed The RT 600 should be mounted on a mast with the mounting bracket facing upward and the SO 239 jacks facing down do not simply lay it on the ground as a puddle could form around it If necessary install a short grou...

Page 10: ... it away from the tuner Also provide a drip loop where the coax enters the house to prevent water from running along the coax and into the house Be sure the drip loop hangs below the coax entry point into the house If you are using existing coax between the RT 600 and the RC 600 inspect it carefully for water damage Best Amateur practice calls for cutting away one foot of coax for each year it has...

Page 11: ...ded for your reference if you ever need to use the RT 600 without the RC 600 You can easily homebrew a Bias Tee from readily available components Alternatively ready made Bias Tees are available from commercial suppliers including the SGC 54 70 DC Coaxial Line Isolator the Array Solutions Bias Tee Master and many others The Bias Tee must be rated for at least 1 Amp and 1 8 to 54 MHz For more infor...

Page 12: ...RT 600 Operations Manual Version 1 0 12 A sample schematic appears below ...

Page 13: ...lways be performed with 100 watts or less of forward power Typically tuning will occur when you make large frequency changes or change bands Memory Tuning Cycle To begin operation first bypass the amplifier Tune the radio to the desired frequency press the Power button on the RC 600 to power up the RT 600 bypass your amplifier and begin transmitting If a high SWR condition is detected the RT 600 T...

Page 14: ...1 Turn off power to the RT 600 wait for one full second 2 Turn on power to the RT 600 wait for one full second Do not transmit 3 Repeat this cycle three times In other words turn power off and back on slowly three times in a row but do not transmit during this time The RT 600 is now in active non tuning mode it will hold the current tuning settings but will not re tune This mode is useful for ante...

Page 15: ...nother LDG product our website has complete specifications and photographs you can use to help make your purchase decision There are also links to all of the quality LDG dealers who are ready to help you make your purchase decision Two Year Transferrable Warranty Your LDG product is warranted against manufacturer defects in parts and labor for two full years from the date of purchase This two year...

Page 16: ...hen your product is in route Repairs can take six to eight weeks but are often faster we appreciate your patience Current information on returning products for service is found on the LDG website under the Support menu item then under the Tech Support sub menu Send your carefully packaged unit with the Repair Form and a copy of your receipt to LDG Electronics Inc Attn Repair Department 1445 Parran...

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