Radio Shack Comprehensive Manual for the HTX-10: Troubleshooting and Maintenance
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•Be sure that the chassis ground connection is secure.

•Replace old ignition wires with new, high-voltage, noise sup- pression wires.

•Install noise suppressors on your spark plugs, or install new spark plugs that have built in noise suppressors.

•If problems persist, check your alternator/generator and reg- ulator gauges. You can reduce the noise from these sources by using bypass capacitors at the various output voltage points.

Your local RadioShack store has a wide selection of noise sup- pression accessories.

REPLACING THE FUSE

If the HTX-10 stops operating, you might need to replace the red power wire’s fuse with the supplied spare fuse.

Caution: Do not use a fuse with ratings other than those speci- fied here. Doing so might damage your transceiver.

Follow these steps to replace your transceiver’s fuse.

1.Make sure the power source and transceiver are both off.

2.Pull the latches apart on the fuse holder until it opens.

3.If the fuse is blown, replace it. Use only a standard 11/4 ⋅ 1/4 inch fast-acting fuse with the proper rating. The fuse must be 10 amps.

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Contents HTX-10 Features Page Manual Conventions FCC InformationContents Introduction to Amateur Radio Page Preparation Attaching the Microphone HolderMounting the Transceiver Page Connecting AN Antenna Page Connecting the Microphone Connecting AN Optional External SpeakerUsing Vehicle Battery Power Frame chassis groundUsing the Transceiver AS a Base Station Page Quick Look AT the Controls Setting Squelch and Receiving OperationTransmitting Page Special Features Using the Special FeaturesUsing Step Using Call Using ScanUsing LCR Last Channel Recall Using M-LOADUsing NB Noise Blanker Using Shift Using T-LOW Tone-LowUsing M-SAVE Memory Save Using Fine ClarifierUsing RF-G RF Gain Using MIC-G Microphone GainTurning the KEY Tone on and OFF Care and Maintenance Troubleshooting Problem Possible Causes RemediesNoise Reduction Replacing the Fuse Page Specifications GeneralTransmitter Page Page RadioShack Division of Tandy Corporation Fort Worth, Texas
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