Radio-shack PRO-28 Bedienungsanleitung

Cat. No. 20-508OWNER’S MANUALPRO-2830 ChannelDirect Entry Programmable ScannerPlease read before using this equipment.20-508.fm Page 1 Wednesday, Au

10The POWER jack powers the scanner and disconnects the internal bat-teries. You can use this jack to connect an external power source (ACadapter or D

111. Connect the adapter’s blue-tipped barrel plug to the adapter’s cordand set the barrel plug’s tip to positive.2. Insert the adapter’s blue-tipped

12USING VEHICLE BATTERY POWERYou can power the scanner from your vehicle’s cigarette lighter socketwith an optional DC cigarette lighter power cord (s

13• If the scanner does not operate properly when you use a DCpower cord, unplug the power cord from the cigarette lightersocket and clean the socket

14CONNECTING THE ANTENNAFollow these steps to attach the supplied flexible antenna to the connec-tor on the top of your scanner. 1. Align the slots ar

15CONNECTING AN EARPHONE/HEADPHONESFor private listening, you can plug an earphone or mono headphones(such as Radio Shack Cat. No. 33-175 or 20-210) i

16CONNECTING AN EXTENSION SPEAKERIn a noisy area, an extension speaker (such as Radio Shack Cat. No.21-549) or an amplified speaker (such as Radio Sha

17UNDERSTANDING YOUR SCANNER A LOOK AT THE KEYPADYour scanner’s keys might seem confusing at first, but this informationshould help you understand eac

18A LOOK AT THE DISPLAYThe display has several indicators that show the scanner’s current op-erating mode. A quick look at the display will help you u

19b — appears during a band search.d — appears during a direct search.H — appears during a band search hold.h — appears during a direct search hold.20

2 1997 Tandy Corporation.All Rights Reserved.Radio Shack is a registered trademark used by Tandy Corporation.FEATURESYour new Radio Shack PRO-28 30 C

20OPERATION TURNING ON THE SCANNER AND SETTING SQUELCH1. Turn SQUELCH fully clockwise.2. Turn VOLUME/OFF clockwise until it clicks. The scanner automa

215. Slowly turn SQUELCH counterclockwise until you hear a hissingsound. 6. Adjust VOLUME/OFF to a comfortable listening level.7. Slowly turn SQUELCH

22Notes:• If you make a mistake in Step 2, Error appears on the displayand the scanner beeps three times. Simply start again fromStep 2. • Your scanne

233. To change the search direction, press t to search downward or s tosearch upward. b, SRCH, and t or s appear on the display.4. When the scanner st

24• To hold the frequency, press HOLD/BAND. h appears on the dis-play. To continue the search, press and hold t or s for about 1second.Notes:• If you

25LISTENING TO THE MONITOR MEMORYThe scanner has one monitor memory. You can use this memory totemporarily store a frequency while you decide whether

264. Press MON/0. The entered frequency appears, and the channelnumber starts flashing.5. Press WX/E. The scanner stores the frequency into the select

27To turn off the 2-second delay on any active channel, press DELAY againwhile the channel number is displayed. D disappears from the display.Locking

28LISTENING TO THE WEATHER BANDThe FCC (Federal Communications Commission) has allocated 11channels for use by the National Oceanic and Atmospheric Ad

29A GENERAL GUIDE TO SCANNINGReception of the frequencies covered by your scanner is mainly “line-of-sight.” That means you usually cannot hear statio

3Keylock — prevents you from accidentally changing the scanner’s pro-gramming.Memory Backup — keeps the channel frequencies stored in memoryfor up to

30GUIDE TO THE ACTION BANDSTypical Band UsagePrimary UsageAs a general rule, most of the radio activity is concentrated on the fol-lowing frequencies:

31Specified IntervalsFrequencies in different bands are accessible only at specific intervals.For example:BAND ALLOCATIONTo help decide which frequenc

32PUB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Public Services . . . . . . . . . . . . (Public S

33VHF High Band (148–174 MHz)148.050–150.345 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CAP, MAR, MIL150.775–150.790 .

34173.3875–173.5375 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MIL173.5625–173.5875 . . . . . . . . . . .

35AVOIDING IMAGE FREQUENCIESYou might discover one of your regular stations on another frequencythat is not listed. It might be what is known as an im

36TROUBLESHOOTINGIf you have problems, here are some suggestions that might help. Ifnone of these suggestions help, take your scanner to your local Ra

37RESETTING THE SCANNERIf the scanner’s display locks up or does not work properly after you con-nect power, you might have to reset the scanner. Caut

38CARE AND MAINTENANCEYour Radio Shack PRO-28 30 Channel Direct Entry ProgrammableScanner is an example of superior design and craftsmanship. The fol-

39SPECIFICATIONSFrequency Coverage:29–54 MHz (in 5 kHz steps)137–174 MHz (in 5 kHz steps)406–512 MHz (in 12.5 kHz steps)Channels of Operation . . . .

4This owner’s manual also includes the section “A Guide to the ActionBands,” which lets you target services in your area by giving you fre-quency rang

RADIO SHACKA Division of Tandy CorporationFort Worth, Texas 76102UBZZ01255ZZ9A7 Printed in the PhilippinesLimited One-Year WarrantyThis product is war

5SCANNING LEGALLYYour scanner covers frequencies used by many different groups includ-ing police and fire departments, ambulance services, government

6CONTENTSPreparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Power Sources . . . . . . . . . . . .

7Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36Resetting the Scanner . . . . . . . . . . . . . . .

8PREPARATIONPOWER SOURCESYou can power your scanner from any of three sources: • Internal batteries (not supplied) • Standard AC power (using an optio

94. Install two batteries in the compartment and two in the cover asindicated by the polarity symbols (+ and –) marked inside.Cautions: • Never mix re