Radio Shack 20-310 Скачать руководство пользователя страница 40 | Manualshive

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40

BAND ALLOCATION

To help decide which frequency ranges to scan, use the
following listing of the typical services that use the fre-
quencies your scanner receives. These frequencies are
subject to change, and might vary from area to area. For
a more complete listing, refer to

Police Call Radio Guide

Including Fire and Emergency Services, available at your
local RadioShack store.

Abbreviations

Services

AIR.........................................................................Aircraft
BIFC............................Boise (ID) Interagency Fire Cache
BUS ....................................................................Business
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 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,

Shipboard Radio, Private stations)

MARS ................................Military Affiliate Radio System
MED ....................................Emergency/Medical Services
MIL .................................................................U.S. Military
MOV................................... Motion Picture/Video Industry
NEW .................................................. New Mobile Narrow
NEWS .......................Relay Press (Newspaper reporters)
OIL .................................................Oil/Petroleum Industry
POL......................................................Police Department
PUB ..........................................................Public Services

(Public Safety, Local Govt., Forestry Conservation)

PSB.............................................................. Public Safety

20-310.fm Page 40 Wednesday, August 4, 1999 10:49 AM

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Содержание 20-310

Страница 1: ...OWNER S MANUAL PRO 70 50 Channel Portable Scanner Please read before using this equipment Cat No 20 310 20 310 fm Page 1 Wednesday August 4 1999 10 49 AM...

Страница 2: ...requencies more quickly Ten Preprogrammed Weather Frequencies keep you informed about current weather conditions Two Second Automatic Scan Delay delays scanning for 2 seconds before moving to another...

Страница 3: ...stal Display makes it easy to view and change programming information Display Backlight makes the scanner easy to read in low light situations Three Power Options let you power the scanner from intern...

Страница 4: ...cy Search Range in MHz Description 0 29 30 10 Meter Amateur Radio 1 30 50 VHF Low 2 50 54 6 Meter Amateur Radio 3 137 144 Aircraft Air Shows Government 4 144 148 2 Meter Amateur Radio 5 148 174 VHF Hi...

Страница 5: ...e your scanner away from the TV or radio Connect your scanner to an outlet that is on a differ ent electrical circuit from the TV or radio Contact your local RadioShack store for help If you cannot el...

Страница 6: ...conversations cellular cordless or other private means of telephone signal transmission Pager transmissions Scrambled or encrypted transmissions According to the Federal Electronic Communications Pri...

Страница 7: ...19 Operation 21 Turning On the Scanner and Setting SQUELCH 21 Searching For and Storing Active Frequencies 22 Active Frequency References 22 Storing Frequencies 23 Using Band Search 25 Using Direct Se...

Страница 8: ...ed States Broadcast Bands 37 Typical Band Usage 38 Primary Usage 38 Specified Intervals 39 Band Allocation 40 Avoiding Image Frequencies 45 Frequency Conversion 46 Troubleshooting 47 Resetting Initial...

Страница 9: ...t the same time See Using Batteries and Charging a Rechargeable Battery Pack on Page 13 If the scanner stops working properly after connect ing it to power try resetting it See Resetting Initial izing...

Страница 10: ...e cover in the direction of the arrow to remove it 2 Pull up and slide the battery holder or battery pack out of the battery compartment 3 If you are installing individual batteries insert six bat ter...

Страница 11: ...ll six rechargeable batteries or recharge the battery pack See Charging a Rechargeable Battery Pack on Page 13 Caution Always dispose of old batteries promptly and properly Do not bury or burn them Us...

Страница 12: ...scanner Using Vehicle Battery Power To power the scanner from your vehicle s cigarette lighter socket you need a DC Adapter such as Cat No 270 1560 Cautions You must use a DC adapter that supplies re...

Страница 13: ...ebris Charging a Rechargeable Battery Pack Your scanner has a built in charging circuit that lets you charge a rechargeable scanner battery pack Cat No 23 288 not supplied while it is in the scanner T...

Страница 14: ...nt authorities for information on recycling or dispos al programs in your area Some options that might be available are municipal curb side collection drop off box es at retailers recycling collection...

Страница 15: ...f your an tenna s cable does not have a BNC connector you will also need a BNC adapter also available at your local Ra dioShack store Follow the installation instructions supplied with the anten na ro...

Страница 16: ...nded high volume listening can lead to perma nent hearing loss Set the volume to the lowest setting before you begin listening After you begin listening adjust the volume to a comfortable level Once y...

Страница 17: ...No 21 549 or an amplified speaker such as Cat No 21 541 positioned in the right place might provide more comfortable listening Plug the speaker cable s 1 8 inch mini plug into your scanner s jack USIN...

Страница 18: ...ve frequen cies or selects the direction when you scan channels CLEAR clears an incorrect entry PGM programs frequencies into channels locks unlocks the keypad to prevent accidental en tries LIGHT tur...

Страница 19: ...0 preprogrammed weather channels MON appears when you listen to the monitor memory BATT appears when the batteries are low L O appears when you manually select a channel you locked out while scanning...

Страница 20: ...direct frequency search 000 0000 the digits in the middle of the display show which frequency the scanner is tuned to Error appears when you make an entry error dUPL duplicate appears when you try to...

Страница 21: ...ntil you hear a hissing sound 3 Turn SQUELCH clockwise just until the hissing sound stops Note To listen to a weak or distant station turn SQUELCH counterclockwise If reception is poor turn SQUELCH cl...

Страница 22: ...rting directly from one specific frequency and store a frequency in the scanner s monitor memory see Using Direct Search on Page 27 Recall the monitor memory frequency and move that frequency to a cha...

Страница 23: ...el number appears Notes If you enter an invalid channel number Error appears on the display Simply repeat this step If a frequency is currently stored in the selected channel the channel number does n...

Страница 24: ...n to the nearest valid frequency For example if you try to enter a frequency of 151 4730 your scanner accepts it as 151 4700 If you entered a frequency that is already stored in another channel dUPL d...

Страница 25: ...frequency search range appear on the display 2 To select a different band within 2 seconds enter the desired band number 0 9 see Page 4 for descriptions or repeatedly press BAND until the desired ban...

Страница 26: ...es the frequency then the next available channel flashes on the display Notes You cannot store an active frequency in the moni tor memory during band search After you store a frequency into the last a...

Страница 27: ...To start from a frequency already stored in one of your scanner s channels press MANUAL or PGM enter the desired channel number then press MAN UAL or PGM again 2 Press and hold or for about 1 second...

Страница 28: ...then MON and the stored frequency appear on the display Moving a Frequency from the Monitor Memory to a Channel 1 Press MANUAL enter the channel number where you want to store the frequency then pres...

Страница 29: ...n ends on that frequency Notes To reverse the scanning direction press or To set the scanner to remain on the current channel for 2 seconds after the transmission ends see Using a 2 Second Delay on Pa...

Страница 30: ...emergency broad cast on a channel and do not want to miss any details even though there might be periods of silence or if you simply want to monitor that channel Follow these steps to manually select...

Страница 31: ...ess CLEAR The frequency number flashes on the display 4 Press E L OUT L O lockout see Locking Out Channels on Page 32 appears the channel num ber flashes and the frequency number changes to 000 0000 o...

Страница 32: ...ure you last selected To turn on the keylock press and hold for about 3 seconds until appears on the display To turn it off press and hold for about 3 seconds until disap pears from the display LOCKIN...

Страница 33: ...can program a 2 second delay into any channel or frequency When your scanner stops on a channel or frequency with a programmed delay DE LAY appears on the display and the scanner continues to monitor...

Страница 34: ...display s backlight for easy viewing in the dark Press LIGHT to turn on the display light for 5 sec onds To turn off the light before 5 seconds elapse press LIGHT again LISTENING TO A WEATHER BAND The...

Страница 35: ...stop within a few seconds on your lo cal weather broadcast If the broadcast is weak you can press or again to resume scanning Note To manually select a preprogrammed weather channel you can repeatedl...

Страница 36: ...o operators often transmit emergency informa tion when other means of communication break down The following chart shows the frequencies this scanner re ceives that Ham radio operators normally use No...

Страница 37: ...n near the scanner Use the search function and scan every frequency band from its lowest frequency to the highest Occasionally the searching will stop as if it had found a signal often without any sou...

Страница 38: ...MHz U S Government 137 00 144 00 MHz 2 Meter Amateur 144 00 148 00 MHz High Range 148 00 174 00 MHz UHF Band 300 00 MHz 3 0 GHz Military Aircraft 380 00 384 00 MHz U S Government 406 00 420 00 MHz 70...

Страница 39: ...e entered fre quency down to the closest valid frequency For example if you try to enter 151 473 your scanner accepts this as 151 470 Activities Frequencies MHz Land Mobile Paired Frequencies 450 000...

Страница 40: ...Conventional Systems CTSB Conventional Trunked Systems FIRE Fire Department HAM Amateur Ham Radio GOVT Federal Government GMR General Mobile Radio GTR General Trunked IND Industrial Services Manufact...

Страница 41: ...MHz 30 MHz 10 Meter Amateur Band 28 0 29 7 MHz 29 000 29 700 HAM Very High Frequency VHF 30 MHz 300 MHz Low Band 29 7 50 MHz in 5 kHz steps 29 700 29 790 IND 29 900 30 550 GOVT MIL 30 580 31 980 IND P...

Страница 42: ...1 145 151 475 POL 151 490 151 955 IND BUS 151 985 TELM 152 0075 MED 152 030 152 240 TELB 152 270 152 465 IND TAXI 152 480 BUS 152 510 152 840 TELB 152 870 153 020 IND MOV 153 035 153 725 IND OIL UTIL...

Страница 43: ...225 GOVT 170 245 170 305 Wireless Mics 170 350 170 400 GOVT MIL 170 425 170 450 BIFC 170 475 PUB 170 4875 173 175 GOVT PUB Wireless Mics 173 225 173 375 MOV NEWS UTIL 173 3875 173 5375 MIL 173 5625 17...

Страница 44: ...UTIL 462 550 462 725 GMR 462 750 462 925 BUS 462 9375 463 1875 MED 463 200 467 925 BUS FM TV Audio Broadcast UHF Wide Band 470 512 MHz Channels 14 through 20 in 6 MHz steps 475 750 Channel 14 481 750...

Страница 45: ...math Note the new frequency 474 675 Double the intermediate frequency of 10 7 MHz 21 400 and subtract it from the new frequency 21 400 If the answer is the regular frequency 453 275 then you have tun...

Страница 46: ...make the necessary conversions 1 MHz million 1 000 kHz thousand To convert MHz to kHz multiply the number of MHz by 1 000 30 62 MHz 1000 30 620 kHz To convert from kHz to MHz divide the number of kHz...

Страница 47: ...ry pack The optional AC or DC power adapter is not con nected Be sure the adapter is fully inserted into the PWR DC 9V jack Poor or no reception Improperly connected antenna Be sure the antenna is pro...

Страница 48: ...UELCH is not correctly adjusted Adjust SQUELCH clockwise see Turning On the Scanner and Set ting SQUELCH on Page 21 In the scan mode the scanner locks on fre quencies that have an unclear transmis sio...

Страница 49: ...ing the Scanner on Page 50 however this clears all information stored in your scanner s memory Resetting the Scanner 1 Turn off the scanner then turn it on again 2 Insert a pointed object such as a st...

Страница 50: ...rn it on again 2 Press and hold CLEAR 3 While holding down CLEAR insert a pointed object such as a straightened paper clip into the reset opening on the side of the scanner and gently press then relea...

Страница 51: ...e the scanner only in normal tem perature environments Temperature ex tremes can shorten the life of electronic devices damage batteries and distort or melt plastic parts Keep the scanner away from du...

Страница 52: ...ration 50 Channels and 1 Monitor Memory Sensitivity 20 dB S N 29 54 MHz 1 0 V 137 174 MHz 1 0 V 380 512 MHz 1 0 V Selectivity 10 kHz 6 dB 18 kHz 50 dB Spurious Rejection 29 54 MHz 50 dB at 40 MHz 137...

Страница 53: ...Adapter Cat No 270 1560 Rechargeable Battery Pack Cat No 23 288 Current Drain Squelched 50 mA Dimensions HWD 63 4 27 16 19 16 Inches 171 62 40 mm Weight 8 1 oz 229 g Supplied Accessory Antenna Specifi...

Страница 54: ...54 NOTES 20 310 fm Page 54 Wednesday August 4 1999 10 49 AM...

Страница 55: ...55 20 310 fm Page 55 Wednesday August 4 1999 10 49 AM...

Страница 56: ...the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any Ra dioShack store RadioShack will at its option unless otherwise provided by law a correct the d...

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