Radio Shack PRO-2056 owner manual Specifications

Page 36

SPECIFICATIONS

Frequency Coverage:

 

Ham

. . . . . 29–29.7 MHz (in 5 kHz steps)

VHF Lo

. . . . . 29.7–50 MHz (in 5 kHz steps)

Ham

. . . . . . 50–54 MHz (in 5 kHz steps)

Aircraft

108–136.975 MHz (in 25 kHz steps)

Government

. . . . . 137–144 MHz (in 5 kHz steps)

Ham

. . . . . 144–148 MHz (in 5 kHz steps)

VHF Hi

. . . . . 148–174 MHz (in 5 kHz steps)

Ham/Government

. . 406–450 MHz (in 12.5 kHz steps)

UHF Lo

. . 450–470 MHz (in 12.5 kHz steps)

UHF T

. . 470–512 MHz (in 12.5 kHz steps)

Programmable Channels:

POLICE Service Search Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

FIRE/EMG Service Search Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

PRIVATE Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Sensitivity (20 dB S/N with 60% modulation for AM, 3 kHz deviation for FM):

29–54 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 μV 108–136.975 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.7 μV 137–174 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 μV 406–512 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.6 μV

Scanning Rate . . . . . . . . . . . . . . . . . . . Up to 100 frequencies or channels/second

Search Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up to 100 steps/second

Delay Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 seconds

Intermediate Frequencies (IF):

1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.85 MHz 2nd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450 kHz

Squelch Sensitivity:

Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.4 μV

Tight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (S+N)/N 25 dB

Antenna Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Ohms

Audio Power:

Maximum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 W

Normal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 W

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Contents PRO-2056 50-Channel Home/Mobile Scanner Features FCC Notice Scanning Legally Contents Frequency Conversion Connecting AN Antenna Connecting the Telescoping AntennaConnecting the Window- Mount Antenna PreparationConnecting an External Antenna Mounting the Scanner in Your Vehicle Connecting Power from Your Vehicle’s Battery Using the Scanner AS a Base Station Memory BackupUsing the Supplied AC Adapter Connecting AN External Speaker or Headphones Listening SafelyService Search Banks Understanding Your ScannerBanks Channels Private BankSearch Bands 470-512Page Look AT the Front Panel Look AT the Display POLICE, FIRE/EMG, AIR, MRNTurning on the SCANNER/SETTING Volume and Squelch Using Service SearchOperation Using Band Search Monitoring a FrequencyStoring Frequencies Into Channels Clearing Frequencies from Channels Special Features Using MemolockDelay Locking OUT Channels FrequenciesListening to Weather Broadcasts General Guide to Scanning Guide to FrequenciesGuide to the Action Bands United States Broadcast BandsTypical Band Usage VHF BandPrimary Usage UHF BandVHF Band Activities Frequencies UHF Band Activities FrequenciesAbbreviations Services Specified IntervalsBand Allocation Frequency RangesVery High Frequency VHF VHF Low Band in 5 kHz stepsMeter Amateur Band Government BandVHF High Band Cm Amateur Band Low BandFrequency Conversion Troubleshooting Problem Possible Causes RemediesCare and Maintenance Replacing the Fuse in the DC Power Cord Replacing the Fuse in the DC Cigarette-Lighter Power CordReplacing the Fuses Specifications Current Drain Page Page RadioShack Division of Tandy CorporationFort Worth, Texas