Radio Shack 20-422 manuale d’uso

Cat. No. 20- 422 OWNER’S MANUAL Please re ad befor e using this equi pment. 200CH VHF/Air/UHF Home Scanner with Scanner Control Protocol and WX Alert 20-422.fm Page 1 Friday, January 7, 2000 12:54 PM[...]

2 FEATURES Y our Radio Shack 20 0Ch VHF/A ir/UHF Home Sca nner lets you in on all the ac- tion! Thi s scanner gives y ou direct ac - cess to o ver 23,000 freque ncies, includi ng tho se u sed by poli ce an d fire departme nts, ambul ance and tran spor- tation servi ces, gov ernment age ncies, and amat eur radio s ervic es. Y ou can se- lect up to 2[...]

3 Key Confirmation Tones — the scan- ner sounds a tone when y ou perfor m an operatio n corr ectly an d sound s an erro r tone if you mak e an error . Memory Backup — ke eps ch annel f re- quencies stored i n memory fo r an ex- tended tim e eve n if y our scann er lo ses power . Extern al Spea ker Jack — lets yo u con- nect an exte rnal speak[...]

4 FCC NOTICE Your sc anner m ight caus e TV or r adio interfer ence ev en wh en it i s oper ating properly . To deter mine whe ther you r scanner i s cau sing the int er fer en ce, tur n off your scan ner. If the interfe rence goe s away, your s canner is caus ing it. Try to elimina te the inter ferenc e by: • moving your sc anner a way from the [...]

5 CONTENTS Preparation ....... ............. ............ .................... ............. ............. ............. ................... 6 Removing the Display Protec tor ............... ............. ............. ............. ................... 6 Connectin g an Anten na ............... ............. ............. ................... .......[...]

6 PREPARATION This sca nner is de signe d for use in the home as a base sta tion. Y ou can place it on an y fl at su rfac e such as a desk , shel f, or t abl e. REMOVING THE DISPLAY PROTECTOR Y our sca nner ’s dis play is prote cted dur - ing ship ment by a piece o f film. Pee l off this film be fore you use th e scanne r . CONNECTING AN ANTENNA [...]

7 adapter . Y our loca l Radio Shack s tore carries a wi de v ar ie ty of c oax ia l a nten na cable an d conn ectors. Once you choos e an antenn a, foll ow the mounting instruc tions s upplie d with the antenna. Th en route the an tenna’s cable to the sc anner and co nnect the ca ble to the ANT jack on the back of the s canner . Cautions: • Do[...]

8 CONNECTING AN EXTERNAL SPEAKER Y ou can con nect an opti onal exter nal speaker with a 1 / 8 -inch (3.5-mm) plug to the sc anner . Use an 8- ohm exter nal speaker that can ha ndle a t least 2.5 watts of power . Y our l ocal Ra dioSh ack store sel ls scan ner acces sorie s, includ - ing exter nal spe akers. Insert the spe aker ’s plug into the E[...]

9 UNDERSTANDING Y OUR SCANNER A LOOK AT THE FR ONT P ANEL VO L U M E Turns th e scanne r on or off and a djusts t he volum e. SQUELCH Adjus ts the s canner ’s sque lch. / Sets the search di rectio n. B AND Searches a ban d you selec t. DELA Y Program s a 2-seco nd delay for the sel ected channel ; sets a dela y for al l activ e frequen cies durin[...]

10 1–9, 0 Each key has a singl e-digit label, and the 1 – 9 a nd 0 keys also ha ve a range of numbe rs. Use th e digits on the keys to enter the numbers fo r a channel or a frequenc y. Use the range of numb ers above the key ( 61–80 , for example) t o se- lect or d eselect the ch annels in a cha nnel- storage bank. CLEAR/ . Clears an incorrec[...]

11 PRI Appears wh en the pri ority featu re is tu rned on. L/O (lockout) Ap pear s when y ou lo ck ou t chan nels or skip a fr equenc y, or when you ma nu al ly se le ct a ch a nnel o r f req ue nc y t hat i s lo cke d out or ski pp ed . DLY Appears when the scan ner is sc anning or searc hing when yo u have pro grammed a 2-second delay . WX (weath[...]

12 UNDERSTANDING B ANKS AND BAN DS You can stor e frequen cies in to eith er a program ma ble m emo ry l oc ati on c alled a chann el, or a te mpora ry memory loca - tion cal led a moni tor memor y. You c an store a freq uency i n each of the scan - ner’s chan nels (up to 200) a nd up to 10 monitor memor ie s. Your s canner als o has ei ght frequ[...]

13 This ta ble shows the frequen cy ba nd ranges display ed by the s canner a nd the typic al usage, fr equency cove rage, and step f or each. Notes: • Y our scann er sear ches at the preset frequency step rate (5 or 12.5 kHz) for e ach band. Y ou c annot chan ge the f requenc y step rate. • The scann er displ ays the n earest 1 k Hz step. F or[...]

14 OPERATION T URNIN G ON THE SCANNER/SETTING V OLUME A ND SQUELCH 1. T urn VOLUME and SQUELCH full y counte rcloc kwise. 2. T urn VOLUME cl ockw ise until you hear a hi ssing s ound. 3. T urn SQUELCH clockwi se, then leave i t set to a po int j ust after the hissin g soun d stops. Notes: • If the sc anner pi cks up unwanted, partial , or very we[...]

15 Follow th ese steps to manua lly stor e a frequenc y int o a channe l. 1. If the scanner is sc annin g, press MANUAL . 2. Us ing the number key s, enter the channel number where y ou want to store a frequenc y . 3. Press PROGRAM . BANK and the bank num ber , the sel ected channel number an d L/O (if the sel ected chann el number is empty), and 0[...]

16 2. T o manuall y search the ban d, press HOLD after t he scan ner sta rts auto - matical ly searc hing the fr equen - cies. T he scanner disp lays H (hold), ▲ or ▼ , and a freque ncy w ithin the band you selec ted. 3. Repe at edl y pres s ▲ to step from the lower to the upper rang e, or ▼ to step from the uppe r to the lowe r range. Hold[...]

17 Y ou can also se lect a monito r memor y by rep eatedly pressi ng MON ITOR until the desir ed monit or mem ory app ears. Note: T o l isten to the monito r memor ies, the prio rity chan nel fe ature mu st be turned off (see “ Priority ” on P age 20) . MOVING A FREQUENCY FROM A MO NITOR MEMORY TO A CHANNEL 1. If the scanner is sc annin g, pres[...]

18 Notes: • Y ou can ma nually se lect an y chan - nel in a bank, even if the bank is turned off. • Y ou cannot turn off all ten bank s. • The scanner skips cha nnels that have been locked o ut (see “ Skipping Frequenc ies/Ch annels” on Page 19. MANUALLY SELECTING A CHANNEL Y ou can con tinuou sly mon itor a spec ific chann el without sca[...]

19 SPECIAL FEATURES DELAY Many agen cies us e a two-w ay radio sys- tem that might hav e a pause of seve ral seco nds betwe en a qu ery and a r eply . T o avoi d miss ing a reply , you can pro- gram a 2- second de lay in to any of y our scanner ’s channel s or fr equencie s. Then, wh en the scanne r stops o n the chann el, DLY appear s and the sc[...]

20 Note: If you turned the key ton e off (see “T urning the Key T one On or O ff” on Page 2 1), the sc anner do es no t beep when you h old down S/S-LOCKOUT . Removing Lockout from Channels Follow t hese step s to r emove the lo ck- out from a channel while sc annin g. 1. Press MANUAL to stop scan ning. 2. Us e the numbe r keys to enter the cha[...]

21 T o turn off the prio rity featur e, press PR I- ORITY . PRI disapp ears. Note: If you ar e scann ing mo re than o ne bank in wh ich a p riority c hanne l has been program med, the scanner stops on the l owes t- num bere d p rior ity ch ann el first wh ile scanni ng. LISTENING TO THE WEATHER BAND The Nation al Oceanic an d Atmos pheric Adminis t[...]

22 A GENERAL GUIDE TO SCANN ING Your sc anner’s receptio n is mainl y “line- of-sig ht.” You us ually ca nnot hear stations that are b eyond the horizon . GUIDE TO FREQUENCIES Ham Radio Frequencies Ham radio op erators ofte n broad cast em ergency in format ion when other means of commu nication brea k down. The foll owing ch art shows the vo[...]

23 GUIDE TO THE ACTION BAND S Typical Band Usage Primary Usage As a gene ral rul e, most of th e radio ac tivity is co ncentrat ed o n the follow ing frequen- cies: VHF Band UHF Band Note: Remote contro l statio ns a nd mob ile uni ts oper ate at 5 MHz h igher th an the ir associ ated ba se st ations an d relay repea ter units . VHF Band (29.00-3 0[...]

24 BAND ALLOCATION Use the fo llowing l isting of the t ypical servi ces withi n yo ur scan ner’s fre quency c over- age to assis t you to decide whic h frequenc y ranges to scan. T hese freque ncies ar e subject to chang e, a nd mig ht v ar y from ar ea to ar ea. Fo r a mor e co mpl ete li st ing , re- fer to the “Poli ce Call Radi o Guide inc[...]

25 TSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trunked Systems TVn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FM-TV Audio Broadcas t USXX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Go vernmen t Classifie [...]

26 152.030–15 2.240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TELB 152.270–15 2.480 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IND, T AXI, BUS 152.510–15 2.840 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

27 70-cm Amateur Band (420–45 0 MH z) 420.000–45 0.000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HAM Low Band (450–470 MHz) 450.050–45 0.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RTV 451.025–45 2.025 . . . . . . . . . . . . . . [...]

28 T ROUBLESHOOTING If your scann er is not wor king as it shou ld, thes e suggesti ons might he lp you elim i- nate th e problem . If the scan ner still does n ot oper ate prop erly, ta ke it to you r local RadioShac k store fo r assi stanc e. SYMPTOM S UGGEST ION Scann er is on , but will not sc an. Be sure SQUELCH is adjust ed pro per- ly. Se e [...]

29 CARE AND MAINTENAN CE Your RadioShac k 200Ch VHF/Air /UHF Hom e Scanner is an exampl e of superio r de- sign and craftsman ship. The following sugge stion s will help you ca re for your sc an- ner so you can enjoy it for y ears. Keep the s canner dry. If it g ets wet, wipe it d ry imme diately. Liquid s might c ontain mi nerals that ca n corro d[...]

30 SPECIFICA TIONS F requen cy Cov er age: VHF Lo ........... ............. ................... ............. ............. .... 29.7 – 50 MHz ( in 5 kHz step s) Amateur Radio ......................... ............. ............. .......... 29 – 29. 7 MHz (i n 5 kHz s teps) 50 – 54 MH z (in 5 kHz s teps) 144 – 14 8 MHz ( in 5 kHz step s) 42[...]

31 Antenna Im pedance .............. ............. ............. ................... ............. ............. . 50 Ohms A u dio P ower .................... ............ ............. .................... ............. .... 840 mW Maximum Built-I n Speaker . ............. ................... ........ 2 1 / 4 I nch (57 mm), 8-Oh m, Dynami c T ype [...]

RadioShack A Division of T andy Corporation Fort Worth, T exas 7 6102 UBZZ01309Z Z 12A99 Printed i n the Phili ppines Limited O ne-Y ear Wa rranty This pro duct is warrante d by RadioShack aga inst manufac turing defects in mate rial and workma n- ship unde r normal use for one (1) year from the da te of purchase fro m RadioS hack comp any-own ed s[...]