Radio Shack PRO-2053 owner manual Specifications

Page 53

Selectivity:
25 – 27.995 MHz at AM mode
-6 dB	+/-5 kHz
-50 dB	+/-6 kHz
All frequencies at AM and FM mode except 25 – 27.995 MHz at AM
-6 dB	+/-10 kHz
-50 dB	+/-18 kHz
Spurious Rejection (at 154.1 MHz FM)	40 dB
Scanning Rate	Up to 60 Channels per Second
Search Rate	Up to 75 Steps per Second
Delay Time	2 seconds
Intermediate Frequencies (IF):
1st	380.8 MHz
2nd	21.4 MHz
3rd	455 kHz
Priority Sampling	2 seconds
Operating Temperature	32 to 110° F
.....................................................................................................................................................	(0 to 43° C)
IF Rejection
380.8 MHz at 154.1 MHz	60 dB
21.4 MHz at 154.1 MHz	100 dB
Squelch Sensitivity:
Threshold (FM and AM)	0.5 µV
Tight (FM)	25 dB
Tight (AM)	20 dB
Antenna Impedance	50 Ohms
Audio Output Power (10% THD)	1.2 W
Built-in Speaker	3 Inches
	(77 mm)
	(8-ohm, Dynamic Type)
Power Requirements:	120V AC, 200 mA, 60 Hz, or 12V DC
Dimensions (HWD)	3 1/8 × 8 1/2 × 6 1/2 Inches
	(80 × 215 × 165 mm)
Weight (without antenna and batteries)	27 oz.
	(750 g)

Specifications are typical: individual units might vary. Specifications are subject to change and improve- ment without notice.

Specifications

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Image 53

Contents PRO-2053 Channel Desktop Trunk-Tracking Scanner FCC Wants You to Know Contents General Guide to Frequencies Special FeaturesTrunking Operation Specifications TroubleshootingTriple Conversion Superheterodyne Re Simultaneous Trunking OperationCharacter, 4-Line, Alphanumeric Dis Telescoping Antenna provides excellent Scanning LegallyUsing AC Power Power SourcesUsing Vehicle Battery Power PreparationConnecting AN EARPHONE/ Headphones Connecting the AntennaConnecting an Outdoor Antenna Listening SafelyLook AT the Keypad Traffic SafetyAbout Your Scanner Quick Start Understanding Your Scanners Modes Understanding BanksEdacs Mode Open and Closed Modes Turning on the Scanner and Setting SquelchOperation Storing Known Frequencies Into Channels Assigning a Text Tag to a Channel Storing Trunking Frequencies Into ChannelsStoring Text Tags Assigning a Text Tag to a Bank Text Input ChartAssigning a Text Tag to a Group Bank Band Finding and Storing Active FrequenciesSearching a Preprogrammed Fre- quency Range Search bank SR0 Marine band Receive mode FM Search bank SR1 CB band Receive mode AM Group Search bank SR2 Police/Fire band Receive Mode FMSearch bank SR4 Ham band Receive mode FM Search bank SR3 Aircraft Receive mode AMSpecial Notes Manually Tuning a FrequencyListening to the Weather Band Listening to a Weather Channel Using Frequency Copy FunctionDisplaying Weather Messages WX Alert and Beep Tone Confir- mationTurning Channel-Storage Banks Off and On Scanning the ChannelsCopying a Frequency into the Pri- ority Channel Locking OUT Channels or Frequencies Special FeaturesUsing the Delay Function Reviewing Locked-Out Frequen- cies PriorityClearing a Locked-Out Frequency Clearing All Locked-Out Frequen- cies in a Search BankChanging the Receive Mode Turning the KEY Tone on and OFF Using the AttenuatorChanging the Display Contrast Cloning Programmed DataTrunking Operation Programming Trunking Frequencies Setting Squelch for the Trunking ModeUnderstanding Trunking DF appears Programming Motorola Trunking Systems UHF-LoProgramming Fleet Maps Programming Motorola Trunking System 800 MHzSize Code Storing Talk Group IDs Talk Group IDs8Wdaý&# ?ýDe$ý CEJ0ýdedTurning Sub-Banks On or Off Talk Group ID HoldLocking Out Talk Group IDs Delay Function in ID Indication ModeReviewing Locked-Out Talk Group IDs Clearing Talk Group IDsGeneral Guide to Frequencies Changing the Open/Closed ModeOpen and Closed Modes US Weather Frequencies in MHzBirdie Frequencies Ham Radio FrequenciesTypical Band Usage Guide to the Action BandsHF Band VHF BandUHF Band Primary UsageBand Allocation AbbreviationsServicesHigh 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/INITIALIZING the Scanner TroubleshootingResetting the Scanner Initializing the ScannerCare Sensitivity 20 dB S/N SpecificationsSpecifications Page Page Limited One-Year Warranty