Radio-shack PRO-70 User Manual

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Summary of Contents

Page 1 - 50-Channel Portable Scanner

OWNER’S MANUALPRO-7050-Channel Portable ScannerPlease read before using this equipment.Cat. No. 20-31020-310.fm Page 1 Wednesday, August 4, 1999 10

Page 2 - INTRODUCTION

10Follow these steps to install batteries or a battery pack.1. Press down on the battery compartment cover on thebottom of the scanner and slide the c

Page 3

114. Slide the battery holder or battery pack into the com-partment.Caution: The battery holder or battery pack fits onlyone way inside the battery co

Page 4

12Warning: Do not use an AC adapter’s polarized plug withan extension cord, receptacle, or other outlet unless theblades can be fully inserted to prev

Page 5 - FCC NOTICE

131. Connect the DC adapter’s orange barrel plug to theadapter’s cable, with the tip set to – (negative).2. Set the adapter’s voltage switch to 9V.3.

Page 6 - SCANNING LEGALLY

14Note: A rechargeable battery pack lasts longer and deliv-ers more power if you occasionally let it fully discharge. Todo this, simply use the scanne

Page 7 - CONTENTS

15Connecting an Optional AntennaThe antenna connector on your scanner makes it easy touse the scanner with a variety of antennas. Instead of thesuppli

Page 8

16CONNECTING AN EARPHONE/HEADPHONESFor private listening, you can plug an earphone or monoheadphones (such as Cat. No. 33-175 or 20-210) into the jack

Page 9 - PREPARATION

17Even though some earphones and headphones let youhear some outside sounds when you listen at normal lev-els, they still can present a traffic hazard

Page 10

18UNDERSTANDING THE PRO-70A LOOK AT THE KEYPADYour scanner’s keys might seem confusing at first, but thisinformation should help you understand each k

Page 11 - Using Standard AC Power

19A LOOK AT THE DISPLAYThe display has indicators that show the scanner’s currentoperation. A quick look at the display will help you under-stand how

Page 12 - Using Vehicle Battery Power

2INTRODUCTIONYour new RadioShack PRO-70 50-Channel PortableScanner lets you in on all the action. This scanner givesyou direct access to over 22,000 e

Page 13

20ch — the digits that precede this indicator (1—50) showwhich channel the scanner is tuned to.–d — appears during a direct frequency search.000.0000

Page 14 - CONNECTING THE ANTENNA

21OPERATIONTURNING ON THE SCANNER AND SETTING SQUELCH1. Turn SQUELCH fully counterclockwise before youturn on the scanner.2. Turn VOLUME clockwise unt

Page 15

22SEARCHING FOR AND STORING ACTIVE FREQUENCIESYour scanner can store up to 51 frequencies. Each fre-quency can be stored in either a memory called a c

Page 16 - HEADPHONES

23Storing FrequenciesFollow these steps to store frequencies into your scan-ner’s channels.1. Press PGM. PGM appears on the display to indicatethe sca

Page 17 - USING THE BELT CLIP

244. Press E/L-OUT to store the frequency. The selectedchannel number stops flashing, indicating that theselected channel is stored.Notes:• If you ent

Page 18 - UNDERSTANDING THE PRO-70

25Using Band SearchIf you do not know of a frequency to store, you can searchyour scanner’s preprogrammed search bands for activefrequencies, then sto

Page 19 - A LOOK AT THE DISPLAY

26• To reverse the rapid search direction at any time,press and hold or for about 1second.• To search the selected band upward or downwardin small

Page 20

27Using Direct SearchDuring a direct search, the scanner searches upward ordownward, starting from a frequency you specify. Followthese steps to use d

Page 21 - OPERATION

28USING THE MONITOR MEMORYAfter you store a frequency in the scanner’s monitor mem-ory during a direct search, you can recall it and move it toone of

Page 22 - ACTIVE FREQUENCIES

29SCANNING THE STORED CHANNELSTo set the scanner to continuously scan through all chan-nels with stored frequencies, simply press SCAN. SCANand appe

Page 23 - Storing Frequencies

3Channel Lockout — keeps channels you select from be-ing scanned.Key Lock — lets you lock the scanner’s keys to help pre-vent accidentally changing th

Page 24

30MONITORING A STORED CHANNELYou can continuously monitor a specific channel withoutscanning. This is useful if you hear an emergency broad-cast on a

Page 25 - Using Band Search

31CLEARING A STORED CHANNELIf you no longer want a frequency stored in a channel(and you do not want to replace that frequency with a dif-ferent one),

Page 26

32SPECIAL FEATURESUSING THE KEYLOCKOnce you program your scanner, you can protect it fromaccidental program changes by turning on the keylockfeature.

Page 27 - Using Direct Search

33To remove the lock-out from a channel, select that chan-nel again, then press E/L-OUT so L/O disappears from thedisplay.Notes:• You can manually sel

Page 28 - USING THE MONITOR MEMORY

34• If the scanner is in the search mode, press ./DLYwhile the scanner is searching. DELAY appears onthe display and the scanner automatically adds a

Page 29 - CHANNELS

35To hear your local forecast and regional weather informa-tion, simply press WX. Your scanner begins to scanthrough the weather band, and and WX ap

Page 30 - MONITORING A STORED CHANNEL

36A GENERAL SCANNING GUIDEReception of the frequencies covered by your scanner ismainly “line-of-sight.” This means you usually cannot hearstations th

Page 31 - CLEARING A STORED CHANNEL

37Birdie FrequenciesEvery scanner has birdie frequencies. Birdies are signalscreated inside the scanner’s receiver. These operatingfrequencies might i

Page 32 - SPECIAL FEATURES

38Typical Band UsagePrimary UsageAs a general rule, most of the radio activity is concentratedon the following frequencies:VHF BandHF Band (3.00–30.0

Page 33 - USING A 2-SECOND DELAY

39UHF BandNote: Remote control stations and mobile units operate at5 MHz higher than their associated base stations and re-lay repeater units.Specifie

Page 34 - LISTENING TO A WEATHER BAND

4Your PRO-70 scanner contains the following prepro-grammed frequencies (divided into search bands). See“Using Band Search” on Page 25.In addition, you

Page 35

40BAND ALLOCATIONTo help decide which frequency ranges to scan, use thefollowing listing of the typical services that use the fre-quencies your scanne

Page 36 - A GENERAL SCANNING GUIDE

41PTR...Private TrunkedROAD...Road & Highway MaintenanceRTV...

Page 37 - GUIDE TO THE ACTION BANDS

4247.020–47.400...PUB47.420...American Red Cross47.

Page 38 - Primary Usage

43159.480...OIL159.495–161.565...

Page 39 - Specified Intervals

44453.0125–453.9875...PUB454.000...

Page 40 - BAND ALLOCATION

45AVOIDING IMAGE FREQUENCIESYou might discover one of your regular stations on anoth-er frequency that is not listed. This might be what is knownas an

Page 41

46FREQUENCY CONVERSIONThe tuning location of a station can be expressed in fre-quency (kHz or MHz) or in wavelength (meters). The fol-lowing informati

Page 42

47TROUBLESHOOTINGIf your scanner is not working as it should, these sugges-tions might help you eliminate the problem. If the scannerstill does not op

Page 43

48Keys do not work or dis-play changes.Undetermined error.Turn the scanner off then on again, or reset the scan-ner (see “Reset-ting/Initializing the

Page 44

49RESETTING/INITIALIZING THE SCANNERIf the scanner’s display locks up or does not work properlyafter you connect a power source, you might need to res

Page 45 - AVOIDING IMAGE FREQUENCIES

5This owner’s manual also includes the section “A GeneralGuide to Scanning,” which helps you target frequencyranges in your service area so you can se

Page 46 - FREQUENCY CONVERSION

50Initializing the ScannerCaution: This procedure clears all information you storedin the scanner’s memory. Initialize the scanner only whenyou are su

Page 47 - TROUBLESHOOTING

51CARE AND MAINTENANCETo enjoy your RadioShack PRO-70 50-Channel PortableScanner for a long time:Keep the scanner dry. If it gets wet, wipe it dryimme

Page 48 - REMEDIES

52SPECIFICATIONSFrequency Coverage:Ham ... 29–30 MHz (5.0 kHz steps)VHF Lo ... 30–50 MHz (5.0 kHz s

Page 49 - RESETTING/INITIALIZING THE

53Audio Output Power (10%THD)... 200 mW NominalBuilt-in Speaker 13/8 Inch (36 mm) 8 ohm, Dynamic TypePower Requirements ...+9

Page 50 - Initializing the Scanner

54NOTES20-310.fm Page 54 Wednesday, August 4, 1999 10:49 AM

Page 51 - CARE AND MAINTENANCE

5520-310.fm Page 55 Wednesday, August 4, 1999 10:49 AM

Page 52 - SPECIFICATIONS

RadioShackA Division of Tandy CorporationFort Worth, Texas 76102GE-95D-16525A7 Printed in Hong KongLimited One-Year WarrantyThis product is warranted

Page 53

6SCANNING LEGALLYScanning is a fun and interesting hobby. You can hearpolice and fire departments, ambulance services, govern-ment agencies, private c

Page 54

7CONTENTSPreparation ... 9Power Sources ...

Page 55

8A General Scanning Guide ... 36Guide to Frequencies .... 36National Weat

Page 56 - We Service What We Sell

9PREPARATIONPOWER SOURCESYou can power your scanner from any of three sources:• Internal batteries or a rechargeable scanner batterypack (not supplied

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