Radio Shack 20-147 Owner'S Manual Download Page 6 | Manualshive

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A General Guide to Scanning ............................................................................ 25

Guide to Frequencies ..................................................................................... 25

US Weather Frequencies  ........................................................................ 25
Other Weather Frequencies .................................................................... 25
Ham Radio Frequencies  ......................................................................... 25
Birdie Frequencies  .................................................................................. 25

Guide to the Action Bands.............................................................................. 26

United States Broadcast Bands  .............................................................. 26
Typical Band Usage  ................................................................................ 26
Primary Usage  ........................................................................................ 27

Specified Intervals .......................................................................................... 28
Band Allocation............................................................................................... 28
Frequency Conversion ................................................................................... 32

Troubleshooting .................................................................................................. 33

Care and Maintenance ........................................................................................ 34

Replacing the Fuses....................................................................................... 35

Replacing the Fuse in the DC Power Cord ............................................. 35
Replacing the Fuse in the DC Cigarette-Lighter Power Cord ................. 35

Specifications...................................................................................................... 36

Notes .................................................................................................................... 38

Frequency Guide................................................................................................. 39

20-147.fm Page 6 Tuesday, August 3, 1999 3:23 PM

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Summary of Contents for 20-147

Page 1: ...Cat No 20 147 OWNER S MANUAL PRO 2056 50 Channel Home Mobile Scanner Please read before using this equipment 20 147 fm Page 1 Tuesday August 3 1999 3 23 PM...

Page 2: ...at the press of a button lets you scan preset frequen cies in separate police fire emergen cy marine and air service search banks to make it easy to quickly iden tify calls You can also add frequen ci...

Page 3: ...ateur Radio UHF T Band Government In addition your scanner is prepro grammed with these weather service frequencies 162 4000 MHz 162 4250 MHz 162 4500 MHz 162 4750 MHz 162 5000 MHz 162 5250 MHz 162 55...

Page 4: ...hould never intentionally listen to These include Telephone conversations either cellular cordless or other private means of telephone signal trans mission Pager transmissions Any scrambled or encrypt...

Page 5: ...standing Your Scanner 13 Banks 13 Service Search Banks 13 PRIVATE Bank 14 Channels 14 Search Bands 15 A Look at the Front Panel 17 A Look at the Display 18 Operation 19 Turning On the Scanner Setting...

Page 6: ...States Broadcast Bands 26 Typical Band Usage 26 Primary Usage 27 Specified Intervals 28 Band Allocation 28 Frequency Conversion 32 Troubleshooting 33 Care and Maintenance 34 Replacing the Fuses 35 Re...

Page 7: ...ect passengers during an accident If you use the antenna on this type of windshield you might permanently damage the windshield s surface 1 Select a location for the window mount antenna Follow these...

Page 8: ...ntenna Your local RadioShack store sells a variety of antennas When deciding on an antenna and its location consider the following The location of the antenna should be as high as possible The antenna...

Page 9: ...Note Mobile use of this scanner is unlawful or requires a permit in some areas Check the laws in your area When you choose a mounting loca tion be sure You can easily reach the scanner All wires and c...

Page 10: ...back of the scanner To connect the supplied DC cigarette lighter power cord insert its barrel plug into the DC 13 8V jack on the back of the scanner then plug the power cord into your vehicle s cigar...

Page 11: ...ing the AC adapter disconnect it from the AC outlet first Then disconnect it from the scanner Plug the adapter s barrel plug into the scanner s DC 13 8V jack Then plug the adapter s power module into...

Page 12: ...on the back of the scanner Caution Do not turn the scanner s volume all the way up while using headphones The headphones could be damaged Note Plugging in an external speaker or headphones disconnects...

Page 13: ...artments fire departments the U S Coast Guard the Federal Aviation Ad ministration FAA and the National Oceanic and Atmospheric Administra tion NOAA Many of the frequencies used by these agencies are...

Page 14: ...ing secu rity for a parade If these frequen cies are included in any search band or even another service search bank you could store them in Channels 1 4 of the POLICE service search bank Frequencies...

Page 15: ...ncy step rate 5 12 5 or 25 kHz for each search band You cannot change the frequency step rate Search Band Range Typical Usage Frequency Coverage MHz Step Rate kHz 29 30 10 Meter Amateur Radio 29 0000...

Page 16: ...LICE or FIRE EMG service search banks or the PRIVATE bank See Storing Frequencies into Chan nels on Page 21 Notes Some of the frequencies in the search bands are also included in the scanner s service...

Page 17: ...cans the frequencies you stored in the PRIVATE bank s chan nels See PRIVATE Bank on Page 14 WX scans through the prepro grammed weather frequencies SEARCH searches for active fre quencies within a sel...

Page 18: ...out channel or frequency see Locking Out Channels and Fre quencies on Page 23 MEMO LOSS appears when you first turn on the scanner until you program the scanner and when you turn on the scanner after...

Page 19: ...the scanner s keys USING SERVICE SEARCH To scan a service search bank press any of these buttons POLICE FIRE EMG AIR MARINE To scan the PRIVATE bank press PRIVATE Note You cannot scan the PRIVATE bank...

Page 20: ...y searching the frequen cies HOLD SRCH s or SRCH t and a frequency within the band you select ed appear Repeatedly press s to search from the lower to the upper range or t to search from the upper to...

Page 21: ...ency Note If you press a service search bank key other than PRI VATE POLICE or FIRE EMG the scanner beeps several times and Error appears If you are scan ning the banks press PRIVATE POLICE or FIRE EM...

Page 22: ...3 Press HOLD when the scanner starts automatically searching that band HOLD appears 4 Press PROG CH flashes 5 Press s or t until 000 0000 appears 6 Press PRIVATE POLICE or FIRE EMG to select the bank...

Page 23: ...can scan banks faster by locking out frequencies or channels that have a continuous transmission or static However you cannot lock out any weather frequencies or any frequen cies within the AIR or MR...

Page 24: ...es for use by their weather reporting authorities Your local weather reporting authority broadcasts your local forecast and re gional weather information on one or more of these frequencies If your sc...

Page 25: ...y use Birdie Frequencies Every scanner has birdie frequencies Birdies are signals created inside the scan ner s receiver These operating frequencies might interfere with broadcasts on the same frequen...

Page 26: ...ner for future reference GUIDE TO THE ACTION BANDS United States Broadcast Bands In the United States there are several broadcast bands The standard AM and FM bands are probably the most well known Th...

Page 27: ...0 420 00 MHz 70 cm Amateur 420 00 450 00 MHz Low Range 450 00 470 00 MHz FM TV Audio Broadcast Wide Band 470 00 512 00 MHz Activities Frequencies Government Police and Fire 153 785 155 980 MHz Emergen...

Page 28: ...CAP Civil Air Patrol CB Citizens Band CCA Common Carrier CSB Conventional Systems CTSB Conventional Trunked Systems FIRE Fire Department HAM Amateur Ham Radio GOVT Federal Government GMR General Mobil...

Page 29: ...ent Classified UTIL Power Water Utilities WTHR Weather VERY HIGH FREQUENCY VHF VHF Low Band in 5 kHz steps 29 900 30 550 GOVT MIL 30 580 31 980 IND PUB 32 000 32 990 GOVT MIL 33 020 33 980 BUS IND PUB...

Page 30: ...740 154 445 PUB FIRE 154 490 154 570 IND BUS 154 585 Oil Spill Cleanup 154 600 154 625 BUS 154 655 156 240 MED ROAD POL PUB 156 255 157 425 OIL MARI 157 450 MED 157 470 157 515 TOW 157 530 157 725 IN...

Page 31: ...420 000 450 000 HAM Low Band 450 050 450 925 RTV 451 025 452 025 IND OIL TELM UTIL 452 0375 453 00 IND TAXI TRAN TOW NEWS 453 0125 454 000 PUB OIL 454 025 454 975 TELB 455 050 455 925 RTV 457 525 457...

Page 32: ...necessary conversions 1 MHz million 1 000 kHz thousand To convert MHz to kHz multiply the number of megahertz by 1 000 30 62 MHz 1000 30 620 kHz To convert from kHz to MHz divide the number of kiloher...

Page 33: ...cord is ful ly inserted into the DC 13 8V jack Be sure the power cord s red wire is connected correctly to a voltage source and the black wire is connected cor rectly to ground Poor or no reception I...

Page 34: ...f parts Handle the scanner gently and carefully Dropping it can damage cir cuit boards and cases and can cause the scanner to work improperly Wipe the scanner with a damp cloth occasionally to keep it...

Page 35: ...fuse only with another fuse of the same type and rating Replacing the Fuse in the DC Power Cord 1 Turn off the scanner and your vehicle s ignition 2 To open the fuse holder push the fuse holder ends t...

Page 36: ...z 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 V 108 1...

Page 37: ...615 16 Inch es 50 130 175 mm with feet folded up Weight 1 11 lbs 755 g Supplied Accessories DC Power Cord DC Cigarette Lighter Power Cord AC Adapter Telescoping Antenna Window Mount Antenna Vehicle Mo...

Page 38: ...38 NOTES 20 147 fm Page 38 Tuesday August 3 1999 3 23 PM...

Page 39: ...39 20 147 fm Page 39 Tuesday August 3 1999 3 23 PM...

Page 40: ...tion lightning or other incidence of excess voltage or current b any repairs other than those provided by a RadioShack Authorized Service Facility c consumables such as fuses or batteries d cosmetic d...

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