RadioShack 20-422 - Manuals

6 PREPARATION This scanner is designed for use in thehome as a base station. You can place iton any flat surface such as a desk, shelf,or table. REMOVING THE DISPLAY PROTECTOR Your scanner’s display is protected dur-ing shipment by a piece of film. Peel offthis film before you use the scanner. CONNE...

7 adapter. Your local RadioShack storecarries a wide variety of coaxial antennacable and connectors. Once you choose an antenna, follow themounting instructions supplied with theantenna. Then route the antenna’s cableto the scanner and connect the cable tothe ANT jack on the back of the scanner. Cau...

8 CONNECTING AN EXTERNAL SPEAKER You can connect an optional externalspeaker with a 1 / 8 -inch (3.5-mm) plug to the scanner. Use an 8-ohm externalspeaker that can handle at least 2.5watts of power. Your local RadioShackstore sells scanner accessories, includ-ing external speakers. Insert the speake...

9 UNDERSTANDING YOUR SCANNER A LOOK AT THE FRONT PANEL VOLUME Turns the scanner on or off and adjusts the volume. SQUELCH Adjusts the scanner’s squelch. / Sets the search direction. BAND Searches a band you select. DELAY Programs a 2-second delay for the selected channel; sets adelay for all active ...

10 1–9, 0 Each key has a single-digit label, and the 1 – 9 and 0 keys also have a range of numbers. Use the digits on the keys toenter the numbers for a channel or a frequency. Use therange of numbers above the key ( 61–80 , for example) to se- lect or deselect the channels in a channel-storage bank...

12 UNDERSTANDING BANKS AND BANDS You can store frequencies into either aprogrammable memory location called achannel, or a temporary memory loca-tion called a monitor memory. You canstore a frequency in each of the scan-ner’s channels (up to 200) and up to 10monitor memories. Your scanner also has e...

14 OPERATION TURNING ON THE SCANNER/SETTING VOLUME AND SQUELCH 1. Turn VOLUME and SQUELCH fully counterclockwise. 2. Turn VOLUME clockwise until you hear a hissing sound. 3. Turn SQUELCH clockwise, then leave it set to a point just after thehissing sound stops. Notes: • If the scanner picks up unwan...

15 Follow these steps to manually store afrequency into a channel. 1. If the scanner is scanning, press MANUAL . 2. Using the number keys, enter the channel number where you want tostore a frequency. 3. Press PROGRAM . BANK and the bank number, the selected channelnumber and L/O (if the selected cha...

16 2. To manually search the band, press HOLD after the scanner starts auto- matically searching the frequen-cies. The scanner displays H (hold), ▲ or ▼ , and a frequency within the band you selected. 3. Repeatedly press ▲ to step from the lower to the upper range, or ▼ to step from the upper to the...

17 You can also select a monitor memoryby repeatedly pressing MONITOR until the desired monitor memory appears. Note: To listen to the monitor memories,the priority channel feature must beturned off (see “Priority” on Page 20). MOVING A FREQUENCY FROM A MONITOR MEMORY TO A CHANNEL 1. If the scanner ...

19 SPECIAL FEATURES DELAY Many agencies use a two-way radio sys-tem that might have a pause of severalseconds between a query and a reply.To avoid missing a reply, you can pro-gram a 2-second delay into any of yourscanner’s channels or frequencies.Then, when the scanner stops on thechannel, DLY appe...

20 Note: If you turned the key tone off (see“Turning the Key Tone On or Off” onPage 21), the scanner does not beepwhen you hold down S/S-LOCKOUT . Removing Lockout from Channels Follow these steps to remove the lock-out from a channel while scanning. 1. Press MANUAL to stop scanning. 2. Use the numb...

22 A GENERAL GUIDE TO SCANNING Your scanner’s reception is mainly “line-of-sight.” You usually cannot hear stationsthat are beyond the horizon. GUIDE TO FREQUENCIES Ham Radio Frequencies Ham radio operators often broadcast emergency information when other means ofcommunication break down. The follow...

23 GUIDE TO THE ACTION BANDS Typical Band Usage Primary Usage As a general rule, most of the radio activity is concentrated on the following frequen-cies: VHF Band UHF Band Note: Remote control stations and mobile units operate at 5 MHz higher than theirassociated base stations and relay repeater un...

24 BAND ALLOCATION Use the following listing of the typical services within your scanner’s frequency cover-age to assist you to decide which frequency ranges to scan. These frequencies aresubject to change, and might vary from area to area. For a more complete listing, re-fer to the “Police Call Rad...

27 70-cm Amateur Band (420–450 MHz)420.000–450.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM Low Band (450–470 MHz)450.050–450.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RTV451.025–452....

28 TROUBLESHOOTING If your scanner is not working as it should, these suggestions might help you elimi-nate the problem. If the scanner still does not operate properly, take it to your localRadioShack store for assistance. SYMPTOM SUGGESTION Scanner is on, but will not scan. Be sure SQUELCH is adjus...

29 CARE AND MAINTENANCE Your RadioShack 200Ch VHF/Air/UHF Home Scanner is an example of superior de-sign and craftsmanship. The following suggestions will help you care for your scan-ner so you can enjoy it for years. Keep the scanner dry. If it gets wet, wipe it dry immediately. Liquidsmight contai...

30 SPECIFICATIONS Frequency Coverage: VHF Lo ......................................................................... 29.7 – 50 MHz (in 5 kHz steps) Amateur Radio ............................................................. 29 – 29.7 MHz (in 5 kHz steps) 50 – 54 MHz (in 5 kHz steps) 144 – 148 MHz ...