Radio Shack PRO-2048 Скачать руководство пользователя страница 40

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TROUBLESHOOTING

If you have problems, here are some suggestions that might help. If they do not,
take your scanner to your local RadioShack store for assistance.

PROBLEM

POSSIBLE CAUSE

REMEDY

Scanner is on but will not
scan.

SQUELCH

is not correctly

adjusted.

Adjust

SQUELCH

clockwise.

Only one channel or no
channels are stored.

Store frequencies into more
than one channel.

The scanner’s display
must be reset.

Reset the scanner’s display
(see “Resetting the Scan-
ner’s Display” on Page 10).

Scanner is totally inopera-
tive.

No power.

Make sure the scanner is
plugged into a working AC
or DC outlet.

The AC or DC adapter is
not connected.

Be sure the adapter’s barrel
plug is fully plugged into the

DC 12V

jack.

The scanner’s display
dims.

The AC or DC adapter is
not providing the required
voltage.

Make sure the AC or DC
adapter is set to provide the
required voltage.

Keypad does not work or
display randomly
changes.

The scanner’s display
must be reset.

Reset the scanner’s display
(see “Resetting the Scan-
ner’s Display” on Page 10).

Poor or no reception.

An antenna is not con-
nected or connected
incorrectly.

Make sure an antenna is
correctly connected to the
scanner.

Programmed frequencies
are the same as “birdie”
frequencies.

Avoid programming fre-
quencies listed under
“Birdie Frequencies” on
Page 30, or only listen to
them manually.

Error

appears.

Programming error.

Reprogram the frequency
correctly, including the deci-
mal point.

While scanning In the
scan mode, the scanner
locks on frequencies that
have an unclear transmis-
sion.

Programmed frequencies
are the same as “birdie”
frequencies.

Avoid programming fre-
quencies listed under
“Birdie Frequencies” on
Page 30, or only listen to
them manually.

20-417.fm Page 40 Wednesday, August 4, 1999 11:33 AM

Содержание PRO-2048

Страница 1: ...Owner s Manual Cat No 20 417 PRO 2048 200 Channel Programmable Home Scanner Please read before using this equipment 20 417 fm Page 1 Wednesday August 4 1999 11 33 AM...

Страница 2: ...continuous transmission 1997 Tandy Corporation All Rights Reserved HyperScan and HyperSearch are trademarks and RadioShack is a registered trademark used by Tandy Corporation Your RadioShack PRO 2048...

Страница 3: ...sy area Optional Antenna Terminals let you connect the supplied telescoping antenna to the screw in terminal or an external antenna to the BNC con nector Optional Power Sources you can power your scan...

Страница 4: ...ver Connecting your scanner to an outlet that is on a different electrical circuit from the receiver Contacting your local RadioShack store for help If you cannot eliminate the interference the FCC re...

Страница 5: ...ansmission your scanner can receive However there are some transmissions you should never intentionally listen to These include Telephone conversations either cellular cordless or other private means...

Страница 6: ...Turning On the Scanner Setting the Volume and Squelch 18 Manually Storing Frequencies in Channels 19 Searching For and Temporarily Storing Active Frequencies 20 Limit Search 20 Direct Search 21 Search...

Страница 7: ...adio Frequencies 30 Birdie Frequencies 30 Guide to the Action Bands 31 United States Broadcast Bands 31 Typical Band Usage 31 Primary Usage 33 Specified Intervals 33 Band Allocation 34 Frequency Conve...

Страница 8: ...s Its center tip is set to positive and its plug properly fits the scanner s DC 12V jack Using an AC adapter that does not meet these specifications could damage the scanner or the adapter Be sure you...

Страница 9: ...le battery power 1 Insert the power cable s barrel plug into the scanner s DC 12V jack 2 Plug the other end of the power cable into the vehicle s cigarette lighter socket Note If the scanner does not...

Страница 10: ...route the antenna cable to the scanner then connect it to the ANT jack on the back of the scanner Warning Use extreme caution when installing or removing an outdoor an tenna If the antenna starts to...

Страница 11: ...tialize the scanner Caution Initializing the scanner clears all the channels you stored in memory Initialize the scanner only when you are sure it is not working properly 1 If the scanner is off press...

Страница 12: ...d to per manent hearing loss Set the volume to the lowest set ting before you begin listening After you begin listening adjust the volume to a comfortable level Once you set the volume do not increase...

Страница 13: ...store it into a permanent memory location called a channel which is grouped with your other channels in a channel storage bank You can then scan the channel storage banks to see if there is activity...

Страница 14: ...quency searches SPEED Changes the scanning or search speed POWER Turns the scanner on and off D Enters the up or down direction in the search mode Number Keys Each key has a single digit label and a r...

Страница 15: ...ly select a channel PROGRAM Appears while you program frequencies into the scan ner s channels Appears when you are hearing a priority channel CH Digits to the left of this indicator show which channe...

Страница 16: ...s the search direction Blinks in the high speed search mode SEARCH Appears during a limit L or direct d search or weather scan Blinks in the HyperSearch mode Error Appears when you make an incorrect e...

Страница 17: ...the police department might use four frequencies one for each side of town You could pro gram the police frequencies starting with Channel 1 the first channel in Bank 1 and program the fire depart men...

Страница 18: ...et the scanner s volume about 1 4 of the way between MIN and MAX 5 Turn SQUELCH counterclock wise until you hear a hissing noise 6 Adjust VOLUME to a comfortable level 7 Slowly turn SQUELCH clockwise...

Страница 19: ...hese steps to manually store frequencies 1 Press MANUAL to stop the scan ning 2 Enter the channel number where you want to store a frequency 3 Press PGM BANK and the bank number the selected channel n...

Страница 20: ...then LIMIT Lo and a frequency appear 2 Using the number keys enter the lowest frequency including the decimal point you want to search within the desired fre quency range then press ENTER Note If you...

Страница 21: ...ect search lets you specify a starting frequency then search for active transmissions above or below the specified frequency Note You can also use the scan ner s delay feature while using direct searc...

Страница 22: ...weather search see Listening to the Weath er Band on Page 25 This lets you avoid unwanted frequencies or ones you have already stored in a channel You can program up to 20 frequen cies to skip into th...

Страница 23: ...search ing LISTENING TO MONITOR MEMORIES After you temporarily store frequen cies into the scanner s monitor mem ories you can listen to them by pressing MANUAL MON then the number for the monitor mem...

Страница 24: ...nnels in the bank While scanning press the number key for the bank you want to turn on or off If the memory bank indicator is on the bank is turned on and the scanner scans all channels within that ba...

Страница 25: ...ional weather information simply press WX WX appears Your scanner searches through the weather band and stops on an active broadcast If a broadcast is weak press WX again to continue to search through...

Страница 26: ...mber 3 Repeat Steps 1 2 for the chan nel in each bank you want to program as a priority channel Note If the scanner cannot find a pri ority channel CH LOCOUt ap pears when you turn on the priority fea...

Страница 27: ...appears If the desired channel is not selected manually select the channel then press DELAY DELAY appears If the scanner is searching press DELAY during the search DELAY appears and the scan ner auto...

Страница 28: ...uring high speed search Type Speed Normal Scan HyperScan 12 channels second 50 channels second Normal Search High Speed Search HyperSearch 50 steps second 100 steps second 300 steps second 5 kHz steps...

Страница 29: ...you press a key Follow these steps to turn off the key tone beep 1 Turn off the scanner 2 Hold down L O SEARCH SKIP then turn on the scanner OFF bEEP appears To turn on the beep repeat these steps on...

Страница 30: ...frequencies the scan ner receives that Ham radio operators normally use Birdie Frequencies Every scanner has birdie frequencies Birdies are signals created inside the scanner s receiver These operati...

Страница 31: ...Bands In the United States there are several broadcast bands The standard AM and FM bands are probably the most well known There are also four television audio broadcast bands the lower three transmit...

Страница 32: ...ked Systems 861 00 866 00 MHz Public Safety 866 00 869 00 MHz Private Trunked 896 00 940 00 MHz General Trunked 940 00 950 00 MHz UHF Band 10 Meter Amateur Band 29 00 29 70 MHz High Range 29 70 29 90...

Страница 33: ...intervals For ex ample Activities Frequencies Government Police and Fire 153 785 155 980 MHz Emergency Services 158 730 159 460 MHz Railroad 160 000 161 900 MHz Activities Frequencies Land Mobile Pair...

Страница 34: ...s 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 Militar...

Страница 35: ...GH FREQUENCY VHF VHF Low Band in 5 kHz steps 29 700 29 790 IND 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 34 010 34 990 GOVT MIL 35 020 35 980 BUS PU...

Страница 36: ...r Band 144 000 148 000 HAM VHF High Band 148 050 150 345 CAP MAR MIL 150 775 150 790 MED 150 815 150 965 TOW 150 980 Oil Spill Clean up 150 995 151 130 ROAD 151 145 151 475 POL 151 490 151 955 IND BUS...

Страница 37: ...MIL USXX 162 6625 MED 162 6875 163 225 GOVT MIL USXX 163 250 MED 163 275 166 225 GOVT MIL USXX 166 250 GOVT RTV FIRE 166 275 169 400 GOVT BIFC 169 445 Wireless Mikes 169 500 GOVT 169 505 Wireless Mike...

Страница 38: ...8 175 MED 460 0125 460 6375 FIRE POL PUB 460 650 462 175 BUS 462 1875 462 450 BUS IND 462 4625 462 525 IND OIL TELM UTIL 462 550 462 725 GMR 462 750 462 925 BUS 462 9375 463 1875 MED 463 200 467 925 B...

Страница 39: ...ON The tuning location of a station can be expressed in frequency kHz or MHz or in wavelength meters The following information can help you make the neces sary conversions 1 MHz million 1 000 kHz thou...

Страница 40: ...the required voltage Make sure the AC or DC adapter is set to provide the required voltage Keypad does not work or display randomly changes The scanner s display must be reset Reset the scanner s dis...

Страница 41: ...nner only in normal temperature environ ments Temperature extremes can shorten the life of electronic de vices and distort or melt plastic parts Keep the scanner away from dust and dirt which can caus...

Страница 42: ...z in 12 5 kHz steps UHF Hi 896 1125 956 MHz in 12 5 kHz steps Channels of Operation 200 channels in any combination of bands Sensitivity AM 20 dB Signal to Noise Ratio at 60 modulation 108 136 975 MHz...

Страница 43: ...n DC 230 mA squelched DC 400 mA full volume unsquelched Dimensions HWD 23 4 81 16 711 16 Inches 70 205 195 mm Weight 1 5 lbs 680 g Specifications are typical individual units might vary Specifications...

Страница 44: ...ng the warranty period take the product and the RadioShack sales re ceipt as proof of purchase date to any RadioShack store RadioShack will at its option unless otherwise provided by law a correct the...

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