Radio Shack HANDHELD TRUNKING 20-521 manuale d’uso

Owner’s M anual Cat. No. 20-521 PRO-9 1 150- Chann el Handheld Trun king Sca nner Pleas e read be fore usi ng thi s equ ipmen t.[...]

2 FEA TURES Your Radi oShac k PRO-91 150- Chann el Handhel d Trunki ng Sca nner is one of a new genera tion of sca n- ners de sig ned to t ra ck Motor ola Type I a nd Ty pe II (such as Smar tn et and Privacy Pl us) and hybr id an a- log t runk ing sys tems , which are ext ensi vely u sed in many 800 MHz com m uni cat io n s yst em s. Tru nk i ng co[...]

3 Five Channel -Stora ge Banks — y ou can store up to 30 channels in eac h of 5 d iffe rent b anks to gro up ch an- nels so you can more easi l y ide ntif y calls . Five Sca n Lis ts — you can stor e up to 50 tr unking IDs in each t runk tra cki ng bank . Two-Second Scan Delay — del ay s scann ing for abo ut 2 sec onds befor e movi ng to anot[...]

4 Flexi ble Antenna wit h BNC Connector — pr o vi d es exc ellent r ece ption and i s desi gne d to hel p prevent an- tenna brea kage. Or , you can connect an ext ernal an- tenna. Mo n i to r M em o ri es — l e t y o u t em p or a r il y s t or e up t o 5 frequ enci es or IDs. Memory Backup — keeps t he frequen cie s stored i n memory for an [...]

5 We r ecommend you reco rd your sc anner ’s ser i al num- ber here . The number is on t he back pan el. Seria l Number : ____ _____ ______ _____ ______ _ FCC NOTICE Your s canne r mi ght ca use radio or TV int erfer ence ev en whe n i t i s op erat i ng p rop erly. To det er mine whet h- er y our sc anner i s caus in g the in terfe rence, t urn [...]

6 quir es tha t scanner s be manuf act ure d in su ch a way as to n ot be easil y m odifi able to pi ck up those t ransmis - sions . Do no t open you r scanner's case to make any modi fica tions t hat coul d a llow it to pi ck up tran smis- sions t hat it is not legal to l ist en to. Doi ng so co ul d sub- ject y ou to legal p enalti es . We e[...]

7 Sp e cia l Fe atu r es ..... ... .. ..... .. ... .. ..... .. ... .. ..... ... .. ... .... . 34 De la y ... .. .. ..... ... .. ... .... ... .. ... ..... .. .. ... ..... .. ... ..... .. .. . 3 4 T urni ng Channel -Stora ge Banks On and Of f . .. 34 Loc ki ng Out Chann els ..... .... . .... .. ... ... .... . .... . .... .. 35 Pri o rit y ... .. ... [...]

8 Frequency Convers io n 63 T roubl esh ooting 64 Re s etti n g th e S c an ner .. .. ..... ... .. .. ..... ... .. ... ..... .. . 6 7 Ca r e an d M a in t en a n c e .. .. ... .. ... .. ... .. .. ... .. ... .. ... .. ... .. . 6 8 Sp ec ific atio ns .... ..... .. ..... .. ..... ..... ... .... ... ..... .. ..... ... ... 69[...]

9 PRE P A RA TIO N POWER SO URCES You can power y our scanner f rom any of t hree sou rce s: • Inte r nal bat teri es (no t supp lied) • Standar d AC p ower (us ing an o ptiona l AC adapter ) • V eh ic l e batte ry power (us ing an opti onal DC ada pter) Using Int ernal Ba tterie s You can power your scanner us ing f our AA b atterie s. For t[...]

10 3. If you are insta lling a lkaline b att er ie s, us e a po int ed ob ject s uch as a penc i l t o se t ALKALI NE JAC K NI- CD in sid e th e c omp ar tmen t t o ALKA LI NE . Or , if you are i nst alling ni cke l-cadmi um bat teri es, set i t to NI-CD . Warni ng: N e ver set ALKAL IN E JACK NI -CD to NI- C D if you ar e i nst alli ng non -rechar[...]

11 If BATT .Lo fla shes an d the scann er bee ps every 15 se conds, rep lace (st andard/ alkal ine) or r echarge (r e- ch argeabl e n ickel -cadmiu m) t he bat teri es. Cautio n: Alwa ys dispose of o l d bat teri es promptl y and proper ly. Do not bury or burn t hem . Charging Ni c kel-Cadmium Batte ries The scanner has a bui lt- in c i r cui t t h[...]

12 Impor tant: At th e end of a recha rgeabl e batter y’s use- ful l ife, it mus t be recy cled or di spose d of prop erly. Contact your local , count y, o r stat e hazardou s waste manage ment author ities f or inf ormati on on recyc l ing or dispos al program s in your ar ea. Some opti ons t hat mig ht be availabl e ar e: munici pal cur b-sid e[...]

13 1. T urn V OLU ME/O FF co unt ercloc kwise un til it cli cks to m ake s ur e the power is turne d of f. 2. Plug the adap ter’s 3.4 mm outsi de diameter /1.3 mm in side di amet er barr el pl ug int o yo ur scanne r ’s POW ER jack. 3. Plug t he ot her en d of the adap ter i nto a stand ard AC outlet . If r ech argeabl e ba tteries ar e i nst a[...]

14 1. Tu rn VOL UME /OFF co unte rcloc kwise unt il it cli cks to m ake s ur e the power is turned of f. 2. Set t he adapter’ s vol ta ge swit ch t o 9V . 3. Connect the 3.4 mm outer diam eter /1.3 mm inner diam et er t ip t o the ada pter cor d, m at ch in g TI P t o –. 4. Plug the a dapter ’ s barr el plu g into you r sca nner ’ s POW ER [...]

15 CONNECTIN G THE ANTENNA Foll ow th ese st eps to at tach t he supp lied f l exibl e ant en- na to the con nector on the top of your sc anner . 1. Alig n t he sl ots ar ound the ant enna ’s c onnector wi th the tab s on the sca nner ’ s BNC connect or . 2. Slid e t he anten na’s connect or down o ver th e scan- ner’s c onnec tor an d r ot[...]

16 CONNE CTING AN EARPHONE/ HEADP HONES For pri vate l isten in g, you can pl ug an earp hone or mono headp hones (such as Cat . No. 33-178 or 20- 210) in to the jack on top of you r scanner . This au to- mati ca ll y discon nects the i nte rn al spe aker . Listening Safely To prot ect your hear i n g, fol low the se guidel ines wh en you us e an e[...]

17 CONNECTIN G AN EXTENSION SPEAKER In a noi sy are a, a n extensi on speak er ( such as Cat . No. 21-549) , posit ion ed in t he rig ht pla ce, migh t pr ovide mo re co mfor tab le l ist eni ng . Pl ug the speak er c abl e’s 1 / 8 -i nc h mini -pl ug i nto your sc anner’s jack. A TT ACHING THE BEL T CLIP You can at t a ch the supplied belt cli[...]

18 AB OUT YOUR S C ANNE R Once you under st and a few s impl e terms we use i n t hi s manual and fa milia rize y ourself wi th you r sc anner’ s featu r es, you can put the sca nner to work f or you. You sim ply de termin e t he type of comm uni cati ons you want to recei ve, th en set the scan ner to scan t hose commu- nicat io ns. A freque ncy[...]

19 A LOOK A T THE KEYP AD Your sc anner’s keys migh t s eem confusi ng a t first , b ut thi s infor mation sh ould hel p you unde rstand ea ch key’s funct ion. HOLD — holds t he fr equen cy sear ch; h olds on the cur- r ent I D in the t runk t racki ng mode. SCAN — s cans t hrough t he s t ored channel s. MA N ( manua l) — st ops scanni n[...]

20 DELA Y — pr og rams a 2-s econd delay f or t h e sel ected chan nel , a l imit sear ch, o r e ach ser vic e s can; pr ogr ams a 5-second delay whi l e trunk tr ackin g. t — sear ches down t hr ou gh a selec t ed f requenc y range dur ing a freq uency search; sel ects op tions d ur- ing p r ogr am o perati on; c hanges t he I D l oc at i on n[...]

21 (trun king channe l acti vity bar s) — ea ch rep resents a recei ved trunk in g fre quenc y or a dat a fr eque ncy whi le trun k tracki ng (s ee “Chann el Act ivi ty Bars” on Page 47). -1 - — appea rs when t he weather service ba nd is s e- lect ed. -2 - — appea r s when t he amateur radi o servi ce band is s e lec ted . -3 - — appea[...]

22 MON — appea rs du ring se arch mod es or when you select a moni tor mem ory. The n umber to t he ri ght of this indic ato r shows t he curr ent m onito r memor y num- ber. MAN — appea rs when you pr ess MAN . PGM — a ppears whil e you store a frequen cy into a chan nel, while yo u enter a fre quenc y range during a limi t sear ch, or when [...]

23 Monitor Memories The s canner al so ha s 5 temporar y memor y locat ions ca lled mon itor memori es. You can use t hese m onitor memor ies to t empor arily st ore fr equencie s while y ou dec ide whet her t o st ore t hem i nto a chann el. Th is i s han dy for quickl y stori ng an acti ve fr equen cy when y ou se arc h t hrough an enti r e band [...]

24 OPE RA TI ON TURNIN G ON THE SCANNER AND SE TTING SQUELCH Note: Make s ure th e scanner ’ s anten na is conn ected befor e you t urn it o n. 1. Tu rn SQUELCH fully count er cl ockwise. 2. Tu rn VOL UME /OFF cloc kwise unt il i t clic ks and you hear a hiss ing s ound. 3. Press MAN ( manual ) to sto p the sca nner from sca nning, turn SQUEL CH [...]

25 STORING K NOWN FREQUENCIES INTO CHAN NELS Good r eferen ces for ac tive f requ encies ar e Ra- dioShac k's “Beyon d Police Cal l,” “Aeronau tical Fr e- que ncy Direc tory, ” and “Mar i ti m e Freque ncy Directo ry.” We up date t hese di rec tori es every y ear, so be su re to get a curr ent c opy. Foll ow t hese s tep s to st or[...]

26 • Y our s canne r automat ical ly r ounds the ent er ed frequ ency t o th e nea rest val id f r eque ncy . For exampl e, i f you ent er a f r eq uency of 151. 473, your scan ner accept s it a s 1 51. 475. • Pre ss DELA Y i f you want th e sc anner t o p ause 2 sec onds af te r a tr ans m iss ion ends bef ore i t p ro- ceed s to the nex t cha[...]

27 2. Enter the frequ ency that is t he lowe r limit of the range you want to sear ch (incl uding t he d ecimal point ), the n pr ess E . 3. Press LIMI T . Hi and 956.000 MHz appear . 4. Enter the fre quency t hat i s the upper li mit o f the range you want to sear ch (incl uding t he d ecimal point ), the n pr ess E again. 5. Press t t o search f [...]

28 Notes: • If you wan t to star t the se arch fr om a fre quenc y alrea dy stor ed in one of your scanner’s chan- nels, press MAN or PRO G , use t he number keys to ente r t he chan nel n umber , then pr ess MA N or PROG agai n. • If yo u enter an i nval id f requency , t he sc anner displ ays Error . S im p ly re pe a t th is st e p. 3. Pr [...]

29 When t he sc anner st ops on a transmi ssi on, qui ckly press eit her: • HOLD to sto p searchi ng s o you can l iste n to the tra nsmiss ion. HO LD appears. • MON/CLEAR to st ore the di splaye d fr equenc y into the cur r ent mo nit or memor y . T o release hold a nd cont i nu e s earchi ng, pr ess HOLD or hol d do wn t or s for at least 1 s[...]

30 Notes: • If y ou m a rke d all fre quenc ies t o be sk i p ped withi n the sear ch range , the sc anner beeps 3 t i mes a nd does not sear ch. • If you prog ram more than 20 frequ encies t o skip, each new f requenc y re pla ces one you alread y store d, star ti ng fro m the f irst f r equen cy you stor ed. • Pre ss t or s to selec t a ski[...]

31 3. Press MON/CLEAR and e nter the num ber o f t he moni tor memory t hat cont ains th e f r equency you want to st ore. 4. Press E . Th e sc anner st ores t he fr equency i nto t he se lected ch annel. SCANNING THE STORED CHANNELS To begin s canning c hanne ls, press SCAN . Th e scanner sc ans thr ough all non- locked c hanne ls in the ac t i va[...]

32 Or, i f your scanner is sca nning an d st ops at the desir ed chan nel, pr ess MAN one ti me. (Pre ssing MAN additi on- al ti mes caus es you r sca nner to st ep thro ugh the chan- nels. ) To res um e a uto m a tic scan ning, pr ess SCAN .[...]

33 SP EC IAL F EA TURES DELAY Many agenc ies us e a two-way r adio system t hat m ight hav e a per i od of 2 or more seconds bet w e en a query and a reply . To keep fr om missi ng a repl y on a speci fic ch annel, yo u c an pro gram a 2-s econ d d elay int o any ch annel or fre quenc y. The scanner conti nues to moni - tor t he ch annel f requency[...]

34 The s canner s cans all the c hannels withi n the di s- played banks t hat ar e n ot loc ked out ( see “Loc king Out Chann els”). Notes: • Y ou can manual l y select any channel withi n a bank , even i f t hat ba nk is turn ed off . • Y ou ca nnot t urn off all ba nks. O ne bank must always be act i ve. LOCKIN G OUT CHANNELS You ca n inc[...]

35 1. Press PRO G . 2. Enter t he chan nel number you want to sel ect as the pri orit y chan nel, then pre ss P RIO RITY . app ears t o the r ight of the cha nnel n um ber . 3. Repe at St eps 1 and 2 for the ch annel in ea ch bank yo u want t o pr ogr am as a pr i ority c hannel. To revi ew al l priori ty cha nnels, pres s PROG , then r e- pea tedl[...]

36 USING THE KEYLOCK Once you p rogram your scanner, yo u can prote ct it from ac cident al pr ogram changes by tur ning on the key lock fe ature. W he n locked, th e only cont rols t hat operat e ar e SCAN , MAN , KEY LOCK , VOLUME/O FF , an d SQUE LCH . Note : The keylo ck does no t prevent the scanne r from sca nni ng chann els. To tur n on the [...]

37 TURNING TH E KEY T ONE OF F/ON To turn of f the key to ne, fol low t hese steps. 1. T urn off the scanner . 2. Whi le holding down L- OUT/S/ S, tur n on t he sc an- ner . OFF bEEP a ppears. To turn t he key tone bac k on, r epea t thes e st eps. on bEEP appea rs. TURNING TH E BA TTER Y SA VE FUNCTION O FF/ON To s ave batt ery power when a c hann[...]

38 SKIPP ING DATA SIGNALS You c an set t he s canner s o it s kips n onmodulat ed or data si gnals (suc h as fax o r modem t ran smissi ons) dur ing a se arc h or scan. Note: Si nce data si gnals a re n ot gener ally found i n t he air band , this f eat ur e doe s n ot work in t he air b and. To turn on t he data ski p fe ature, be sure the pr iori[...]

39 T RUNK T RACKING Your sc anner is des i g ned t o t ra ck t r an smis si ons on Mo- toro l a Ty pe I, Typ e II, a nd hyb rid anal og tru nking sy s- tem s, whi ch are ex ten sively used i n 8 00 MHz co m muni ca tions . Remember these i mporta nt p oints when trac king t ransm issi ons: • Y our sca nner monito rs T ype II s yst ems b y de faul[...]

40 The fleet s might be the pol ice de par t ment , the fir e de- partment , util iti es, and ci ty admi ni stratio n. Th e polic e mig ht deci de to furth er d ivide i ts f l ee t int o subf leet s suc h as dis pat ch, ta ctica l operati ons, d ete ctive s, nor t h, south, east and west s ide pa t r ols, and superv i so rs. All the avai lable pol [...]

41 SETTING S QUELCH FOR THE T RUNK T RA CKING MODE Your s canner’ s sque l c h se tting i s autom atica lly adjust - ed duri ng trunk t r ac king, whi ch mean s it is no t neces- sa ry to manual ly ad just sque lch whi le t racki ng t runked tran smi s sions. However, t he sq uelch s et t ing ca n af fect how fast your sc anner ac quires the da t[...]

42 Before scanni ng a t r unked sys tem ’ s tra nsmissi ons, you must stor e the t runked syst em’s f re quencies in one of the banks i n your scanne r by foll owing the s e ste ps. 1. Press PROG then TRUNK . TRUNK appear s a nd one or mor e bank number s f l as h. 2. Select the bank you want to s tore t he tru nked sys- te m ’ s fr eque ncie[...]

43 6. Press SRC to beg i n se arch ing f or the t r un k’ s data c hannel ( the chann el that controls the trunk) . SEARCH f lashes as the sc anner sear ches f or the data chan nel. Whi le th e s canne r loo ks thr ough the f requenc i e s, yo u s ee them o n the disp lay . When t he scan ner fin ds the data chan nel, i t begins t runk tra cki ng[...]

44 Hint: While scann ing, you wil l not kno w exac tly who the IDs ar e ass igned to u ntil you lis ten awhil e or unt il you loc at e ID lis ts in f requen cy guides or on in ternet site s such as www.tr unk scanner. com . Wi th in a few min utes, you can usu al l y f igure out if what y ou a re l i s- tenin g to is a pol ice, f ire, or emerg ency[...]

45 Lockin g Out IDs As with conv ent ional sca nning, it is possi ble to loc k out unwa nted tra ffic . This is part icul ar ly i mportant in trun k- ed s ystems beca use signal s you canno t listen to ( such as wa ter meter s, door alarms, traf fic si gn als, and en- cr ypted s ign als) ar e assi gned I Ds just lik e ot her u sers. You can have up[...]

46 Using T runk T racking Scan Delay Many t r unked syst ems have a period of 2 or m ore sec- onds between a que ry a nd a repl y. You can pr ogr am a 5-secon d delay to hold on an ID for 5 sec onds to wa it for a reply. The sca nner con tinues to moni tor the f re- quen cy for 5 s econds af ter th e t r ans m i ssion sto ps be- fo re re suming sca[...]

47 CHANNEL A CTIVITY BARS Your scan ner has 20 chan nel acti vit y indic ators ( bars) which show the acti vity t aking p lace on a tr unked sy s- tem . You ca n see how many f requenci es are bei ng us ed and general ly moni to r how much com m un icati on tr a ffi c is oc c ur ri n g. Eac h fre quenc y you store in a trun king bank has a cor - re[...]

48 SCAN L ISTS When y ou pr ogram tr unk ed fre quencies i nto a ban k (see “St or ing Trunk ed Frequenc i e s” on Pa ge 41), your sca nner sets up 5 scan li sts in to which y ou can st ore your favorit e I Ds. Ea ch list c an cont ai n up t o 10 IDs, so you ca n store a t otal of 5 0 IDs f or eac h trunk t racki ng bank (250 I D s i f you use [...]

49 Or , to ent er a T y pe I ID: a. Use the number keys t o e nter t he block n umber and flee t number , t hen press • . b. Enter the subfl eet num ber , then pres s E . Note: T o c lear a mistak e while ent ering an ID, pr ess 0 t hen E , t hen start o ver at Step 1. 5. Repe atedly press PROG or s to se l ec t the ne xt sc an l ist l ocat ion y[...]

50 SCANNI NG THE SCAN LISTS Pre ss S CAN to begin s canning the l ists yo u have st ored. Note: I f you have n ot stor ed any IDs, SCAN scr olls on th e d ispla y, but your scann er doe s n ot stop on an ac- tive conver sati on. To r emove a scan l i st f rom activ e sc anning, use the number k eys to enter the sc an list ’ s numbe r. The sc an l[...]

51 4. Press aga in. 5. Repe atedly press s or t to sel ect th e name of t he map you wan t (such as E1P7 ) . The prepr o- gram m ed fl eet map app ears . 6. Press E , th en SRC. The scann er then se ar c hes f or tran smissi ons usi ng th e pres et map you cho se. Note: W hen the scann er search es fo r transmi ss ions, yo u see Type I fle et and s[...]

52 When a Type I system is desi gned , the addr ess inf or- mation f or all its use r IDs is di vided i nto 8 equal -siz e blocks , number ed 0–7, and each bloc k i s assig ned a size cod e. When you set up your sc anner to trac k a Type I system, you must cho ose a si ze code f or eac h block. When you ha ve chosen a s i ze code f or all 8 block[...]

53 The size codes s elect ed by a Typ e I sy stem des igner dep end o n the spe cific n eeds of the sys tem's u sers. Some organiz ation s might want many subfl eets wi th only a f e w rad ios eac h, whil e anoth er o rgan ization mi ght want onl y a f ew su bfleet s, with m any r ad ios eac h. To s can Type I s yst ems, you must sel ect or pr[...]

54 E1P4 E 1P5 E1P6 Bloc k Si z e Code Block Size Code Bl oc k Size Code 0S 1 2 0 S 4 0S 3 1 (S 12) 1 S4 1 S10 2 S 4 2 S12 2 S4 3S 4 3( S 1 2 ) 3S 4 4S 4 4S 4 4S 1 2 5 S 4 5 S4 5 (S1 2) 6S 4 6S 4 6S 1 2 7 S 4 7 S4 7 (S1 2) E1P7 E 1P8 E1P9 Bloc k Si z e Code Block Size Code Bl oc k Size Code 0S 1 0 0 S 1 0S 4 1S 1 0 1 S 1 1S 4 2S 1 1 2 S 2 2S 0 3S 4 [...]

55 Selectin g a Preset Fle et Map 1. Set t he scanner for c onven tional sc anning, pr ess PROG , t hen press TR UNK . 2. Select the bank wher e y ou want to sto re t he preset fle et map by pre ssing a number ke y . 3. Press . 4. Repe atedly press s or t to s el ect E1 . Then, when E1 flash es, pr ess E . E1P1 3 E 1P14 Block Size Code Bl ock Size [...]

56 9. Press SRC . The s canner ex its t he tr unking p r o- gram m i ng mode, tu nes t he data chann el, th en begins to s earch using the map you pr ogram med. Note: If you s elect si ze code S - 1 2, S-13 , o r S-14, the se restricti ons appl y: • S-1 2 c an onl y b e a ssigned to B locks 0, 2, 4, or 6. • S-1 3 c an onl y b e a ssigned to B l[...]

57 A GENERA L GUIDE T O SCAN NING Rece ption of the freq uencies c overed by your scanner is m ainl y “line- of -si ght.” That m eans you u s uall y cann ot hea r st ations t hat are beyo nd the hori zon. GUIDE T O FREQUENCIES Nati onal Weathe r Frequencies Canadian W e ather Fre quencies Note: Th ese f req uenci es are no t pr epr ogr am me d [...]

58 GUIDE TO THE ACTION BANDS T ypical Band Us age P rimar y Us age As a ge neral rule, m ost of t he r adi o activ ity is concen- trat ed on the fol lowing f req uenci es : VHF Band VHF Band Lo w R ang e 2 9. 00–5 0. 00 M Hz 6-M e ter Am at e ur 5 0 .00 –5 4. 00 MH z U. S. Go ve rnme nt 13 7.00 –144 .0 0 MH z 2-M e ter Am at e ur 1 44 .0 0–[...]

59 UHF Band Note: Remot e control st ati ons and mobil e uni ts opera t e at 5 M Hz hi gher t han their associ at ed base st ations and rela y repe ate r units . BAND ALLO CA TION To help deci de which fr eque ncy ranges t o s can, use the fol lowing l isti ng of t he typic al serv ices t hat use th e fre- que nci es yo ur scanne r r ecei ves . The[...]

60 RO AD . . . . . . . . . . . . . . . . . . . Ro ad & H igh way M a inten anc e RTV . . . . . . . . . . . . . . . . . R adio /TV Re mote Broad cas t Pick up T AXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T axi S ervic es T ELB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mob ile T elep hon e (A ircr a [...]

61 152 .00 75 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M ED 152 .03 0–15 2.24 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEL B 152 .27 0–15 2.48 0 . . . . . . . . . . . . . . . . . . . . . IND, T A XI, BU S 152 .51 0–15 2.84 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEL B 1[...]

62 4 62.9 375– 463.1 875 . . . . . . . . . . . . . . . . . . . . . . . . . . . . MED 4 63.2 00–4 67.92 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B US F M-TV Au dio Broa dc ast, UH F Wi de Ban d ( 470– 512 MH z) (C ha nne ls 14 t hr oug h 6 9 i n 6 MHz s teps) 4 75.7 50 . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

63 TROUBLE SHOOTI NG If you hav e probl ems, he re ar e s ome suggest ions that m i gh t h el p . I f they do not , t a ke yo ur s canner t o your l o c a l RadioShack stor e for assist ance . PR OB L EM PO SS I BLE CAUS E REMEDY Sc an ner i s o n bu t wi ll no t sc an . SQUE LC H is n ot ad just ed c or- re ct l y . Turn SQUEL CH cl ockw is e. Onl[...]

64 PROBLE M POSSI BLE CAUSE RE ME DY An a nte nna is not co nn ec te d or co nn ec te d in co r - rectly . M ake sur e an a nte nna is c on - nect ed to th e s ca nne r . Error ap pe ars . Pr o gram ming error . R e-e nt er t he fre - qu en cy c or rec tl y , in clud in g t he de ci- ma l po in t. Th e sc an n er lo cks o n f req ue n- ci es th at [...]

65 Sc an ner wi ll no t st op wh ile sca n - n ing a s can li st. No I Ds hav e be en s tor ed . Sto r e on e or mo re IDs (s ee “ Sca n Li st s” on Pa ge 48. The I Ds yo u hav e s to red ar e not acti ve. S ca n an ot h er tra nsmis sion . Sc an ner wi ll no t a cq uir e a da ta c ha nnel . SQ UEL CH is not corr e ctly adj us ted fo r t ru nk [...]

66 RESETTI NG THE SCANNER If t he scanner ’ s disp lay lock s u p or d oes not wor k pro p- erly , you might nee d to res et t he scan ner. Caution : T his pr ocedure clear s all the i nf ormati on you hav e store d into the scanner. Befor e you r eset t he sc anner , tr y tu rni ng i t off and on t o see if it beg i ns work- ing pr oper ly . Res[...]

67 CARE AN D MAINTE NANCE Your Radi oShac k PRO-91 150- Channel Handhel d Trunki ng Scann er is an e xample of s uperio r d esign a nd craf t s m a nship. The fo llowi ng suggesti on s wi ll help you ca re for your s cann er so you can e njoy i t f or ye ars . Keep the sc anner dry. If i t gets wet, wipe it dr y immed iatel y. Liqui ds can contai n[...]

68 SP E CI FI C A TIONS Frequenc y C o ver age: .. . . . 29–5 4 MHz (in 5 kHz st eps) 1 08–13 6. 97 5 MH z ( in 12.5 kHz st eps) 137–17 4 MHz ( in 5 kHz st eps) 406–51 2 MHz ( in 12. 5 kHz st eps) 806 .000 0–823 .9375 MHz ( in 12. 5 kHz st eps) 851 .000 0–868 .9875 MHz ( in 12. 5 kHz st eps) 89 6.1 12 5–956 . 000 0 MHz ( i n 12. 5 kHz[...]

69 Power Req ui rem ent: 4 AA Alkali ne Batter i es (6.0 VDC), or 4 AA Rechar geable Ni-Cd Bat t eri es ( 4 .8 VDC), or AC Ad a pte r (Ca t . No . 27 3-1 6 65) , or DC Adapt er (Cat. No. 270- 1560) Current Drain: Squelch ed . . ... ... .... ..... ... .... ... ... ...... ... ... ..... . . . 70 mA Full Out put .. . . .. . . . .. ... .. ... .... . ...[...]

70 NOTE S[...]

71[...]

RadioShack A Divisi on of T andy Cor pora tion Fo rt Wo rt h, T exas 761 02 UB ZZ 0127 4ZZ 3A8 Print ed in the Phi li ppi nes Lim ited On e-Y ear W arrant y Thi s product is war r anted b y Rad i oS hack a g a inst manuf acturin g de- fects in materi al and work manshi p under normal u se for one ( 1) y ear from t he date of p ur c hase from RadioS[...]