Radio Shack PRO-93 owner manual Troubleshooting, Squelch is not Turn Squelch

Page 78

ˆTroubleshooting

If you have problems with your scanner, here are some suggestions that might help you eliminate the problem. If they do not, take your scanner to your local RadioShack store for assistance.

Problem

Possible Cause

Remedy

 

 

 

 

 

 

Scanner is on but

SQUELCH is not

Turn SQUELCH

will not scan

adjusted correctly

clockwise. See

 

 

“Turning on the

 

 

Scanner and Set-

 

 

ting Squelch” on

 

 

Page 24

 

 

 

Poor or no recep-

An antenna is not

Make sure an

tion

connected or is

antenna is con-

 

connected incor-

nected to the

 

rectly

scanner

 

 

 

 

Programmed fre-

Avoid program-

 

quencies are the

ming birdies or

 

same as birdie fre-

only select them

 

quencies

manually. See

 

 

“Birdie Frequen-

 

 

cies” on Page 65

 

 

 

In scan mode, the

Stored frequen-

Avoid program-

scanner locks on

cies are the same

ming birdies or

frequencies with

as birdie frequen-

only select them

an unclear trans-

cies

manually

mission

 

 

 

 

 

Scanner is totally

Batteries have

Recharge the

inoperative. No

failed

rechargeable bat-

power

 

teries or replace

 

 

the standard bat-

 

 

teries

 

 

 

 

Batteries are

Install the batteries

 

installed improp-

according to the

 

erly

polarity markings,

 

 

see “Using Batter-

 

 

ies” on Page 10

 

 

 

78Troubleshooting

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Contents PRO-93 Contents Special Features Trunking OperationTroubleshooting SpecificationsGeneral Guide to Frequencies Features Character, 4-Line, Alphanumeric Display shows Features FCC Wants You to Know Scanning Legally Pager transmissions Scrambled or encrypted transmissionsPower Sources Using BatteriesPreparation Preparation11 Charging Rechargeable Batteries Using AC Power Using Vehicle Battery PowerConnecting the Antenna Connecting an Optional AntennaConnecting AN EARPHONE/ Headphones Listening SafelyUsing the Belt Clip Traffic SafetyConnecting an Extension Speaker Transferring Data to and from Another Scanner or a PCAbout Your Scanner Look AT the KeypadAbout Your Scanner Quick Start Understanding BanksChannel Storage Banks AM Mode Understanding Your Scanners ModesSearch Banks FM Mode Motorola ModeEdacs Mode Open and Closed Modes Turning on the Scanner and Setting Squelch OperationStoring Known Frequencies Into Channels Storing Trunking Frequencies Into Channels Storing Text Tags Assigning a Text Tag to a ChannelAssigning a Text Tag to a Group ID Assigning a Text Tag to a BankText Input Chart Buttons CharactersFinding and Storing Active Frequencies Searching a Preprogrammed Frequency RangeBank Band Search bank SR0 Marine band Receive mode FM Operation3132Operation Search bank SR1 CB band Receive mode AM Search bank SR2 Police/Fire band Receive Mode FM GroupSearch bank SR3 Aircraft Receive mode AM Search bank SR4 Ham band Receive mode FMSpecial Notes Manually Tuning a Frequency Listening to the Weather BandListening to a Weather Channel Displaying Weather Messages WX Alert and Beep Tone ConfirmationUsing Frequency Copy Function Copying a Frequency into a Specified ChannelScanning the Channels Copying a Frequency into the Priority ChannelTurning Channel-Storage Banks Off and On Deleting Frequencies from ChannelsLocking OUT Channels or Frequencies Special FeaturesUsing the Delay Function Locking Out ChannelsReviewing the Lock-Out Channels Locking Out FrequenciesReviewing Locked-Out Frequencies Priority Clearing a Locked-Out FrequencyClearing All Locked-Out Frequencies in a Search Bank Special Features Changing the Receive Mode Using the Attenuator Using the Display Backlight Using the KeylockTurning the KEY Tone on and OFF Changing the Display Contrast Cloning the Programmed DataTrunking Operation Understanding Trunking Setting Squelch for the Trunking Mode Programming Trunking FrequenciesÂ8EBýòVò + +ôýòò +0èýEFE Programming Motorola Trunking Systems UHF-Lo Programming Motorola Trunking System 800 MHz Programming Fleet Maps Size Code Talk Group IDs Storing Talk Group IDs8Wdaý&#& ED ?ýDe$ý&& CEJ0ý&// ?ç 8Wdaý&#& ED ?ýDe$ý& CEJ0ýded Talk Group ID HoldTurning an ID Sub-Bank On or Off Locking Out Talk Group IDsDelay Function in ID Indication Mode Reviewing Locked-Out Talk Group IDsClearing Talk Group IDs Open and Closed Modes Clearing All Talk Group IDs in One BankChanging the Open/Closed Mode General Guide to FrequenciesUS Weather Frequencies in MHz Ham Radio FrequenciesBirdie Frequencies UHF High Band MHz HF Band Guide to the Action BandsTypical Band Usage VHF BandBand Allocation Primary UsageAbbreviations Services High Frequency HF Very High Frequency VHF Aircraft Band-108-137 MHz in 12.5 kHz steps BUS Ultra High Frequency UHF Cm Amateur Band 420-450 MHz in 6.25 kHz steps Conventional Systems Band Locally Assigned in 6.25 kHz steps Frequency Conversion Troubleshooting Squelch is not Turn SquelchRESETTING/INITIALIZING the Scanner Resetting the ScannerInitializing the Scanner Care Specifications Sensitivity 20 dB S/N82Specifications Specifications83 Limited One-Year Warranty
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