Radio Shack PRO-2053 owner manual About Your Scanner, Look AT the Keypad, Traffic Safety

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Set the volume to the lowest setting before you begin listening. After you begin listening, adjust the volume to a comfortable level.

Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a volume level that does not cause discomfort might still damage your hearing.

Traffic Safety

Do not wear an earphone or headphones while you drive a vehicle or ride a bicycle. This can create a traffic hazard and can be il- legal in some areas. Even though some ear- phones and headphones let you hear some outside sounds when you listen at normal levels, they still can present a traffic hazard.

CONNECTING AN EXTENSION SPEAKER

In a noisy area, an extension speaker (not supplied), available at your local RadioShack store, might provide more comfortable listen- ing. Plug the speaker cable's 1/8-inch (3.5

mm)mini-plug into your scanner's EXT SPKR

jack.

TRANSFERRING DATA TO AND FROM ANOTHER SCANNER OR A PC

You can transfer the programmed data to and from another PRO-2053 or PRO-93 us- ing a connecting cable which has 1/8-inch phone plugs on both ends (not supplied). Connect the cable between each scanner's PC/IF jacks. See “Cloning Programmed Data” on Page 29. You can also upload or down- load the programmed data to or from a PC using an optional PC interface kit available through your local RadioShack store.

ˆAbout Your Scanner

Once you understand a few simple terms used in this manual and familiarize yourself with your scanner's features, you can put the scanner to work for you. You simply deter- mine the type of communications you want to receive, then set the scanner to scan them.

A frequency is the receiving signal location (expressed in kHz or MHz). To find active frequencies, you can use the tune function.

You can also use the SEARCH banks, which are preprogrammed frequencies in the scan- ner's memory (see “Searching a Prepro- grammed Frequency Range” on Page 18 for the frequency list). You can even change the frequency range on one of the SEARCH banks (SR5) to limit the search.

When you find a frequency, you can store it into a programmable memory location called a channel, which is grouped with other chan- nels in a channel-storage bank. You can then scan the channel-storage banks to see if there is activity on the frequencies stored there. Each time the scanner finds an active frequency, it stays on that channel until the transmission ends.

A LOOK AT THE KEYPAD

Here is a brief overview of your scanner's keys and their functions.

SCAN — scans through the programmed channels.

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About Your Scanner

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Contents PRO-2053 Channel Desktop Trunk-Tracking Scanner FCC Wants You to Know Contents Trunking Operation Special FeaturesGeneral Guide to Frequencies Troubleshooting SpecificationsCharacter, 4-Line, Alphanumeric Dis Simultaneous Trunking OperationTriple Conversion Superheterodyne Re Scanning Legally Telescoping Antenna provides excellentUsing Vehicle Battery Power Power SourcesUsing AC Power PreparationConnecting an Outdoor Antenna Connecting the AntennaConnecting AN EARPHONE/ Headphones Listening SafelyAbout Your Scanner Traffic SafetyLook AT the Keypad Quick Start Understanding Banks Understanding Your Scanners ModesEdacs Mode Operation Turning on the Scanner and Setting SquelchOpen and Closed Modes Storing Known Frequencies Into Channels Storing Text Tags Storing Trunking Frequencies Into ChannelsAssigning a Text Tag to a Channel Assigning a Text Tag to a Group Text Input ChartAssigning a Text Tag to a Bank Searching a Preprogrammed Fre- quency Range Finding and Storing Active FrequenciesBank Band Search bank SR0 Marine band Receive mode FM 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 FMListening to the Weather Band Manually Tuning a FrequencySpecial Notes Displaying Weather Messages Using Frequency Copy FunctionListening to a Weather Channel WX Alert and Beep Tone Confir- mationCopying a Frequency into the Pri- ority Channel Scanning the ChannelsTurning Channel-Storage Banks Off and On Using the Delay Function Special FeaturesLocking OUT Channels or Frequencies Clearing a Locked-Out Frequency PriorityReviewing Locked-Out Frequen- cies Clearing All Locked-Out Frequen- cies in a Search BankChanging the Receive Mode Changing the Display Contrast Using the AttenuatorTurning the KEY Tone on and OFF Cloning Programmed DataTrunking Operation Understanding Trunking Setting Squelch for the Trunking ModeProgramming Trunking Frequencies Programming Motorola Trunking Systems UHF-Lo DF appearsProgramming Motorola Trunking System 800 MHz Programming Fleet MapsSize Code 8Wdaý&# Talk Group IDsStoring Talk Group IDs ?ýDe$ý CEJ0ýdedTalk Group ID Hold Turning Sub-Banks On or OffReviewing Locked-Out Talk Group IDs Delay Function in ID Indication ModeLocking Out Talk Group IDs Clearing Talk Group IDsOpen and Closed Modes Changing the Open/Closed ModeGeneral Guide to Frequencies US Weather Frequencies in MHzHam Radio Frequencies Birdie FrequenciesHF Band Guide to the Action BandsTypical Band Usage VHF BandPrimary Usage UHF BandAbbreviationsServices Band AllocationHigh Frequency HF Meter Amateur Band-50-54 MHz in 5 kHz steps VHF High Band 148-174 MHz in 5, 6.25 or 7.5 kHz steps New Mobile Narrow Band 220-222 MHz in 5 kHz steps Ultra High Frequency UHF Conventional Systems Band Locally Assigned in 6.25 kHz steps Frequency Conversion Resetting the Scanner TroubleshootingRESETTING/INITIALIZING the Scanner Initializing the ScannerCare Specifications Sensitivity 20 dB S/NSpecifications Page Page Limited One-Year Warranty