Radio Shack PRO-2040 owner manual Specifications

Page 41

20-414.fm Page 41 Wednesday, August 4, 1999 11:12 AM

SPECIFICATIONS

Frequency Coverage:
VHF-Lo	29-50 MHz (in 5 kHz steps)
Ham	50-54 MHz (in 5 kHz steps)
Aircraft	108-136.975 MHz (in 12.5 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-Standard	450-470 MHz (in 12.5 kHz steps)
UHF-T (Television)	470-512	MHz (in 12.5 kHz steps)
UHF-Hi	806.0000 - 823.9375	MHz (in 12.5 kHz steps)
UHF-Hi	851.0000 - 868.9375	MHz (in 12.5 kHz steps)
UHF-Hi	896.1125 - 956	MHz (in 12.5 kHz steps)
Channels of Operation	Any 100 channels in any band combinations

Sensitivity:

AM: 20 dB Signal-to-Noise Ratio at 60% modulation

108-136.975 MHz	..................................................................................1.5 μV
FM:20 dB Signal-to-Noise Ratio at 3 kHz deviation
29-54 MHz	0.5 μV
137-174 MHz	0.7 μV
406-512 MHz	0.5 μV
806-956 MHz	1.0 μV
Selectivity:	-6 dB
±11 kHz	-6 dB
±15 kHz	-50 dB
Scanning Rate:
Normal	12 channels/sec
Hyper	50 channels/sec
Search Speed:
Normal	50 steps/sec
High	100 steps/sec
Hyper	300 steps/sec (only 5 kHz step band)
WX Scanning Rate:
Normal	12 frequencies/sec
High	50 frequencies/sec
Delay Time	2 Seconds

41

Image 41

Contents Fm Page 1 Wednesday, August 4, 1999 1112 AM Features Fm Page 3 Wednesday, August 4, 1999 1112 AM FCC Notice Contents Scanning Legally Using Standard AC Power Connecting PowerMemory Backup PreparationUsing Vehicle Battery Power Optional Outdoor Antenna Connecting AN AntennaTelescoping Antenna Resetting the SCANNER’S Display Initializing Scanner Connecting AN EARPHONE/ HEADPHONES/ External SpeakerListening Safely Traffic SafetyLook AT the Front Panel Understanding Your ScannerStores frequencies into and accesses the 10 moni Programs a 2-second delay for the selected chanEnters the up or down direction in the search mode Turns the data skip feature on and offLook AT the Display During a search hold when the frequency is stored Appears when you manually select a locked channel, orAppears when you program a channel for a two-second Delay before scanning or when you listen to a channelMonitor Memories Understanding the SCANNER’S MemoryChannel-Storage Banks Operation Turning on the SCANNER/SETTING the Volume and SquelchFinding Birdie Frequencies Manually Storing Frequencies in Channels Limit Search Searching for and Temporarily Storing Active FrequenciesDirect Search Search Skip Memory Listening to Monitor Memories Scanning the Stored Channels Moving a Frequency from a Monitor Memory to a ChannelTurning Channel-Storage Banks On and Off Manually Selecting a ChannelListening to the Weather Band Designating a Priority Channel Special FeaturesUsing the 2-SECOND Delay PRO-2040 has two scan and three search speeds Type Speed Locking OUT ChannelsChanging Scanning and Search Speeds Detecting Data Signals Guide to the Action Bands General Guide to ScanningGuide to Frequencies Primary Usage Typical Band UsageHF Band 3.00-30.0 MHz VHF Band 30.00-300.0 MHzUHF Band Band AllocationAbbreviations Very High Frequency VHF- 30 MHz-300 MHz High Frequency HF- 3 MHz-30 MHzVHF-Hi Band 148-174 MHz Low Band 450-470 MHz Ultra High Frequency UHF- 300 MHz-3 GHzTrunked Systems Band Locally Assigned Frequency ConversionTroubleshooting Care and Maintenance Specifications MHz and 450 kHz DC 400 mA full volume unsquelchedOhms Watts maximumFm Page 43 Wednesday, August 4, 1999 1112 AM Radio Shack