Radio Shack PRO-79 owner manual Troubleshooting, Squelch is not

Page 47

TROUBLESHOOTING

If your scanner is not working as it should, these suggestions might help you eliminate the problem. If the scanner still does not operate properly, take it to your local RadioShack store for assistance.

PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

 

Scanner is

The AC or DC

Be sure the adapter’s barrel

totally inopera-

adapter is not con-

plug is fully inserted into the

tive.

nected.

PWR jack.

 

 

 

 

The batteries are

Replace the batteries with

 

dead.

fresh ones, or recharge the

 

 

rechargeable batteries.

 

 

 

Poor or no

An antenna is not

Make sure an antenna is

reception

connected or is

properly connected to the

 

connected incor-

scanner.

 

rectly.

 

 

 

 

 

Programmed fre-

Avoid programming fre-

 

quencies are the

quencies listed under

 

same as “birdie”

“Birdie Frequencies” on

 

frequencies.

Page 41 or only listen to

 

 

them manually.

 

 

 

Keypad does

Keylock is turned

Turn off the keylock.

not work.

on.

 

 

 

 

 

The scanner might

Turn the scanner off then on

 

need to be reset or

again, or reset/initialize the

 

initialized.

scanner (see “Resetting/Ini-

 

 

tializing the Scanner” on

 

 

Page 25.

 

 

 

Scanner is on

SQUELCH is not

Adjust SQUELCH clock-

but will not

correctly adjusted.

wise.

scan.

 

 

Only one channel is

Store frequencies into more

 

 

(or no channels

than one channel.

 

are) stored.

 

 

 

 

During scan-

Programmed fre-

Avoid programming fre-

ning, the scan-

quencies are the

quencies listed under

ner locks on

same as “birdie”

“Birdie Frequencies” on

frequencies

frequencies.

Page 41, or only listen to

that have an

 

them manually.

unclear trans-

 

 

mission.

 

 

 

 

 

47

Image 47
Contents PRO-79 Channel VHF/Air/UHF Handheld Scanner Features Page Frequency Types of Transmissions Range MHz FCC NoticeScanning Legally Contents Special Features Preparation Installing BatteriesUsing Vehicle Battery Power Using AC PowerCharging Rechargeable Batteries Connecting the Supplied Antenna Connecting AN AntennaConnecting an Outdoor Antenna Listening Safely Connecting AN Earphone HeadphonesTraffic Safety Connecting AN Extension SpeakerLook AT the Keypad Understanding Your ScannerKeys NumberAIR Look AT the DisplayDLY Channel Storage Banks Understanding BanksFire/Police Service BanksMarine AirAmateur Radio Channel Frequency MHz 156.9250 Monitor Memories Operation RESETTING/INITIALIZING the ScannerInitializing the Scanner Resetting the ScannerStoring Known Frequencies Into Channels Finding and Storing Active Frequencies Searching the Service BanksUsing Direct Search Page Moving a Frequency from a Monitor Memory to a Channel Using Monitor MemoryListening to a Monitor Memory Scanning the Stored Channels Monitoring a Stored Channel Turning CHANNEL-STORAGE Banks OFF and onListening to the Weather Band Clearing a Stored ChannelListening to the Marine Bank WX Alert Locking Out Channels Special FeaturesDelay Locking OUT Channels or FrequenciesRemoving Lockouts From All Frequencies Locking Out FrequenciesReviewing Locked-Out Frequencies Removing Lockouts From All Frequencies in All Service Banks Using PriorityTurning the KEY Tone on and OFF Using the Display BacklightUsing the KEY Lock Avoiding Image Frequencies Birdie Frequencies General Guide to ScanningGuide to Frequencies National Weather FrequenciesPrimary Usage Guide to the Action BandsTypical Band Usage MHz Band Allocation Abbreviations ServicesMeter Amateur Band 144-148 MHz Meter Amateur Band 50-54 MHzAircraft Band 108-136 MHz Government Band 137-144 MHzCentimeter Amateur Band 420-450 MHz VHF High Band 148-174 MHzLow Band 450-470 MHz Frequency ConversionSquelch is not TroubleshootingCare and Maintenance Specifications Volts DC, 4 AA Batteries Page Fort Worth, Texas RadioShackDivision of Tandy Corporation
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