Radio Shack PRO-63 owner manual Ohms

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20-561.fm Page 54 Wednesday, August 4, 1999 3:48 PM

Intermediate Frequencies (IF):

1st . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 MHz 2nd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455 kHz

IF Rejection (10.7 MHz) . . . . . . . . . . . . . . . . 70 dB at 154 MHz

Squelch Sensitivity:

Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . Less than 0.5 mV

Tight (VHF Lo, Hi, UHF) . . . . . . . . . . . . . . . . . . .(S+N)/N 25 dB

Tight (Aircraft) . . . . . . . . . . . . . . . . . . . . . . . . . . .(S+N)/N 20 dB

Antenna Impedance

50 Ohms

Built-in Speaker . . . .13/8 Inches (36 mm), 8 Ohms, dynamic type

Audio Output Power (10% THD) . . . . . . . . . . . .240 mW Nominal

Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9 VDC (6 AA alkaline batteries, 6 AA rechargeable nickel-cadmium batteries,

AC adapter (Cat. No. 273-1665), or DC cigarette-lighter adapter (Cat. No. 270-1560))

Current Drain (Squelched) . . . . . . . . . . . . . . . . . . . . . . . . 65 mA

Dimensions . . . . . . . . . . . . . . . . . . 57/8 ¥ 2 1/2 ¥ 1 3/4 Inches HWD (149 ¥ 64 ¥ 45 mm)

Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.8 Oz (250 g)

Specifications are typical; individual units might vary. Specifica- tions are subject to change and improvement without notice.

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Contents PRO-63 100-Channel Portable Event Scanner Introduction Fm Page 3 Wednesday, August 4, 1999 348 PM Fm Page 4 Wednesday, August 4, 1999 348 PM FCC Notice Scanning Legally Contents Troubleshooting Care and Maintenance Specifications Connecting the Flexible Antenna Installing BatteriesPreparation Fm Page 10 Wednesday, August 4, 1999 348 PM Fm Page 11 Wednesday, August 4, 1999 348 PM Important Information About the PWR and CHG Jacks Charging Nickel-Cadmium BatteriesResetting the Scanner Using the Belt Clip Understanding Your Scanner Look AT the KeypadLook AT the Display Fm Page 17 Wednesday, August 4, 1999 348 PM Bands and Banks Search BandsCHANNEL-STORAGE Banks Turning on the Scanner and Setting Squelch Basic OperationSearching for and Storing Active Frequencies Limit Search Search Press BandManually Storing Frequencies Fm Page 24 Wednesday, August 4, 1999 348 PM Scanning the Stored Channels Scanning All ChannelsTurning Channel-Storage Banks On and Off Manually Selecting a Channel Scanning a Channel-Storage BankListening to the Weather Band Delay Advanced OperationSkipping Channels Priority Using Channel Lock Using the Display BacklightUsing the Attenuator Turning the KEY Tone on and OFFUsing the Keylock Connecting Optional Power Sources Using AC PowerOptions Using Vehicle Battery Power Connecting a Mobile or BASE- Station Antenna Fm Page 36 Wednesday, August 4, 1999 348 PM Connecting AN Earphone Headphones Listening SafelyConnecting AN Extension Speaker Traffic SafetyTypical Band Usage General Guide to ScanningUnited States Broadcast Band VHF Band 30.00-300.0 MHzUHF Band 300.00 MHz 3.0 GHz Primary Usage VHF BandUHF Band Specified Intervals Band AllocationHigh Frequency HF 29 MHz-30 MHz Fm Page 44 Wednesday, August 4, 1999 348 PM Fm Page 45 Wednesday, August 4, 1999 348 PM Ultra High Frequency UHF 300 MHz-3 GHz HAM Radio Frequencies National Weather FrequenciesBirdie Frequencies Frequency Conversion Troubleshooting Sure SquelchScanner receives stations poorly Check Antenna Care and Maintenance Specifications Frequency CoverageOhms Patent NOS Radio Shack