Radio Shack 20-422 Owner'S Manual Download Page 1

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Cat. No. 20-422

OWNER’S MANUAL

Please read before using this equipment.

200CH VHF/Air/UHF Home Scanner

with Scanner Control Protocol and WX Alert

20-422.fm Page 1 Friday, January 7, 2000 12:54 PM

Summary of Contents for 20-422

Page 1: ...Cat No 20 422 OWNER S MANUAL Please read before using this equipment 200CH VHF Air UHF Home Scanner with Scanner Control Protocol and WX Alert...

Page 2: ...et you store 20 channels in each of ten banks to group channels so calls are easier to identify Ten Monitor Memories let you tem porarily save ten frequencies located during a frequency search so you...

Page 3: ...r can receive all of these frequencies 29 54 MHz 10 Meter Amateur Radio VHF Lo 6 Meter Amateur 108 136 975 MHz Aircraft 137 174 MHz Government 2 Meter Amateur Radio VHF Hi 406 512 MHz UHF Lo 70 Centi...

Page 4: ...teur radio services mili tary operations pager services and wireline telephone and telegraph ser vice providers It is legal to listen to al most every transmission your scanner can receive However the...

Page 5: ...e Scanner 14 Manually Storing Frequencies into Channels 14 Searching For and Temporarily Storing Active Frequencies 15 Listening to Monitor Memories 16 Moving a Frequency From a Monitor Memory to a Ch...

Page 6: ...ntenna Instead of the supplied antenna you can connect an outdoor base station anten na not supplied to your scanner Your local RadioShack store sells a variety of antennas Choose the one that best me...

Page 7: ...e AC adapter s polarized plug with an extension cord re ceptacle unless the blades can be fully inserted to prevent blade exposure Cautions You must use a Class 2 power source that supplies 10V AC and...

Page 8: ...ner Your local RadioShack store sells a complete line of earphones and headphones Insert the earphone s or headphones plug into the EXT SP jack on the back of the scanner Note Plugging in an earphone...

Page 9: ...ERT PRIORITY Sets the scanner to the weather alert mode turns priority on or off for a particular channel MONITOR Stores frequencies into and accesses the ten monitor memories S S LOCKOUT Skips a spec...

Page 10: ...encies into channels A LOOK AT THE DISPLAY The display has indicators that show the scanner s current operating mode A good look at the display will help you understand your scanner BANK Appears with...

Page 11: ...arching when you have programmed a 2 second delay WX weather Appears when the scanner is tuned to the weather band ALT Appears during weather alert mode and flashes when the scan ner receives a weathe...

Page 12: ...equencies Additionally there might be other law enforcement agencies such as state po lice county sheriffs or SWAT teams that use their own frequencies You could program all law enforcement fre quenci...

Page 13: ...y you want to store You can store any frequency into a monitor memory You cannot change or delete any of the frequencies in the frequency bands Displayed Frequency Band Range Typical Usage Frequency C...

Page 14: ...after you connect power if the scanner is dropped or sub jected to an electrical shock Caution This procedure clears all the information you have programmed into the scanner Use this procedure only w...

Page 15: ...gram the next channel in sequence repeat Steps 3 5 To pro gram another channel not in sequence repeat Steps 2 5 SEARCHING FOR AND TEMPORARILY STORING ACTIVE FREQUENCIES You can search for transmission...

Page 16: ...ency bands 1 Press MANUAL 2 Use the number keys to enter the frequency where you want to start the search Press to enter the dec imal point 3 Press or to search up or down from the selected frequency...

Page 17: ...el DELETING A FREQUENCY FROM A CHANNEL 1 If the scanner is scanning press MANUAL 2 Use the number keys to enter the channel number containing the fre quency you want to delete 3 Press PROGRAM 4 Press...

Page 18: ...ou hear an emergency broadcast on a channel and want to hear all the de tails even though there might be peri ods of silence or if you want to monitor only a specific channel or a locked out channel F...

Page 19: ...channel then press DELAY DLY dis appears To turn off delay for all frequen cies during a search simply press DELAY SKIPPING FREQUENCIES CHANNELS You can scan channels faster by skip ping ones that hav...

Page 20: ...riority channel up to 10 total As the scanner scans it checks the priority channels in each selected bank for activity every 2 seconds Notes You can skip priority channels If you skip all priority cha...

Page 21: ...ta tion broadcasts a severe weather emer gency signal See Testing Alert Tone 1 Press WX to find the clearest local weather broadcasting station 2 Press ALERT ALT appears and the broadcast turns off Wh...

Page 22: ...oise on that frequency If the interference is not severe you might be able to turn SQUELCH clockwise to cut out the birdie This scanner s known birdie frequencies in MHz are 171 250 and 460 0125 To fi...

Page 23: ...137 00 144 00 MHz 2 Meter Amateur 144 00 148 00 MHz High Range 148 00 174 00 MHz UHF Band 300 MHz 3 0 GHz U S Government 406 00 420 00 MHz 70 cm Amateur 420 00 450 00 MHz Low Range 450 00 470 00 MHz...

Page 24: ...Mobile Radio GTR General Trunked IND Industrial Services Manufacturing Construction Farming Forest Products MAR Military Amateur Radio MARI Maritime Limited Coast Coast Guard Marine Telephone Shipboa...

Page 25: ...IND 38 000 39 000 GOVT MIL 39 020 39 980 PUB 40 000 42 000 GOVT MIL MARI 42 020 42 940 POL 42 960 43 180 IND 43 220 43 680 TELM IND PUB 43 700 44 600 TRAN 44 620 46 580 POL PUB 46 600 46 990 GOVT TELC...

Page 26: ...TRAN 161 580 162 000 OIL MARI RTV 162 0125 162 35 GOVT MIL USXX 162 400 162 550 WTHR 162 5625 162 6375 GOVT MIL USXX 162 6625 MED 162 6875 163 225 GOVT MIL USXX 163 250 MED 163 275 166 225 GOVT MIL U...

Page 27: ...hrough 69 in 6 MHz steps 475 750 Channel 14 481 750 Channel 15 487 750 Channel 16 493 750 Channel 17 499 750 Channel 18 505 750 Channel 19 511 750 Channel 20 Note Some cities use the 470 512 MHz band...

Page 28: ...re ceived by the scanner due to metal frames or material in the building Change the scanner s location and try again Be sure SQUELCH is adjusted proper ly See Turning On the Scanner Set ting Volume a...

Page 29: ...s and distort or melt plastic parts Keep the scanner away from dust and dirt which can cause premature wear of parts Handle the scanner gently and carefully Dropping it can damage circuit boards and c...

Page 30: ...n 5 kHz steps UHF 450 470 MHz in 12 5 kHz steps UHF T 470 512 MHz in 12 5 kHz steps Channels of Operation Any 200 channels in any band combinations 20 channels 10 banks and 10 monitor channels Sensiti...

Page 31: ...1 4 Inch 57 mm 8 Ohm Dynamic Type AC Adapter 10 Volts AC Dimensions HWD 23 8 93 8 611 16 Inches 60 238 170 mm Weight without AC Adapter 1 lb 2 oz 510 g Specifications are typical individual units migh...

Page 32: ...In the event of a product defect during the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store RadioShack will at its option un less ot...

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