Radio Shack PRO-91 инструкция обслуживания

Owner’s M anual Cat. No. 20-521 PRO-91 150- Chann el Handheld Trun king Sca nner Pleas e read be for e usi ng this equipmen t. 20-5 21 .f m Page 1 Wed nes day , Au gust 4, 199 9 3: 3 2 P M[...]

2 FEA TURES Your Radi oShack PRO -91 150- Channel Handhel d Trunki ng Sca nner is one of a new gen era tion of scan- ners de sig ned to t rack M otor ola Type I a nd Type I I (such as Smar tnet and Privacy Plus) and hybri d an a- log t runkin g sys tems, whi ch are ext ensivel y used i n many 800 MHz com m uni catio n syst em s. Tru nk in g co mmu [...]

3 Five Channel -Stora ge Banks — you can st ore up to 30 chann els in eac h of 5 dif feren t banks to group ch an- nels so you can more easi l y ide nti fy cal ls. Five Sca n Lis ts — you can s tor e up to 5 0 trunk ing IDs in each t runk tra cki ng bank . Two-Second Scan Delay — delay s scann ing for about 2 seconds bef or e moving to anot h[...]

4 Flexi ble Antenna with BNC Connector — pr o vi d es excell ent r ece ption and is desi gned t o help pre vent an- tenna brea kage. Or, you can conn ect an exter nal an- tenna. Mo n i to r M em o ri es — l e t y o u t em p or a ri l y s t or e up t o 5 frequ enci es or I Ds. Memory Backup — keeps the fr equen cies sto red in memory for an ex[...]

5 We r ecommend you record your sc anner’s seri al num - ber here . The number is on t he back pan el. Seria l Number: ____ _____ ______ _____ ______ _ FCC NOTICE Your s canne r might ca use radi o or TV i nterf erence even whe n i t i s op erati ng p roperl y. To det er mine wheth- er y our scanner is caus ing t he inter feren ce, turn off your [...]

6 quir es tha t sc anner s be m anuf act ure d in su ch a way as to n ot be eas ily modi fiabl e to pi ck up t hose tran smis- sions . Do not open your scann er's case to make any modifi ca tions that could all ow it to pick up tran smis- sions t hat it i s not l egal t o li sten t o. Doing s o co uld su b- ject you to legal penal ties . We en[...]

7 Sp eci a l Fe atu re s ..... ... .. ..... .. ... .. ..... .. ... .. ..... ... .. ..... .. . 34 De lay ... .. .. ..... ... .. ... .... ... .. ... ..... .. .. ... ..... .. ... .. ..... .. . 3 4 T urni ng Channel -St ora ge Banks On and Off ... 34 Locki ng Out Chann els ..... .... . .... .. ... ... .. ... .... . .... .. 35 Pri o rity . .. .. ... ...[...]

8 Frequency Convers io n 63 T roubl eshooti ng 64 Re se tti ng th e S ca n ner .... ... ..... .. .. ..... ... .. ... ..... .. . 6 7 Ca re a nd Ma int ena n ce .... ... .. ..... ... .. .. ..... ... .. ... ..... .. . 6 8 Sp ec if ica tion s . ... .. ..... ... .. .. ..... ... .. ..... .. ... .. ..... ... .. ... ... 69 20-5 21.f m P ag e 8 Wed nesday ,[...]

9 PRE P A RA T ION POWER SOURCES You can po wer y our scann er f rom any of thre e sou rces: • Inte r nal bat t eri es ( no t supp l ied) • Standar d AC p ower (us ing an o ptiona l AC adapt er) • V ehicle bat tery power (us ing an optional D C adapte r) Using Inte rnal Batteries You can power y our sc anner using four AA b atterie s. For t h[...]

10 3. If yo u are insta lling al kaline b atterie s, us e a poi nted obje ct suc h as a p encil to set ALKALI NE JAC K NI - CD in sid e th e com p ar tmen t t o ALKA LINE . Or , i f you are inst alling nicke l-cadmium bat teri es, set i t to NI -CD . Warni ng: N e ver set ALKALI NE J ACK NI-C D to NI -C D if you ar e install i ng non-rechar gea ble[...]

11 If BATT .Lo fla s hes and the scann er beeps ever y 15 seconds , replace (standar d/alkal i ne) or recharge (r e- charge able nic kel-cadmiu m) the batteri es. Cautio n: Al wa ys dispose of old bat teri es promptl y and proper ly. Do not bury or burn t hem . Charging Ni c kel-Cadmium Batterie s The s canner has a built- in c i r cuit that l ets [...]

12 Importa nt : At the end of a recharge able batter y’s use- ful l ife, i t mus t be recy cled or di sposed of properly. Contact your local , count y, or st ate hazar dous waste manage ment author ities for i nformat ion on recyc l ing or dispos al programs i n your area. Som e opti ons that might be ava i labl e are: munici pal cur b-sid e coll[...]

13 1. T urn V OLUM E/OF F co untercloc kwise un til it cl icks to mak e sure the power is t urne d of f. 2. Plug the adap t er’s 3.4 mm outsi de diameter /1.3 mm in side di ameter barrel pl ug int o yo ur scanne r ’s POW ER jack. 3. Plug the other end of t he adap ter int o a stand ard AC outlet. If r echarg eable batt er ies are i nstall ed an[...]

14 1. Tu r n VOL UME /OFF counte rcloc kwise unt i l it cli cks to make sure the power is t urned off. 2. Set the adapter’ s vol tage swit ch t o 9V . 3. Connect the 3.4 mm outer diamet er/1.3 mm i nner diamet er tip to the adapter cord, mat ching TI P to –. 4. Plug the adapt er ’ s barr el plug into you r scanner ’ s POW ER j ack . 5. Plug[...]

15 CONNECTING THE ANTENNA Foll ow th ese steps to at t ach t he supplied f lexible ant en- na to the con nector on the top of your scanner. 1. Alig n t he slots ar ound the ant enna’s c onnector wi th the tab s on the scanner’ s BNC connector . 2. Slid e the an tenna’s connector down over th e scan- ner’s c onnec tor and r otate the antenna[...]

16 CONNECTING AN EARPHO NE/ HEADPHONES For pri vate l isten ing, yo u can plug an earp hone or mono headp hones (such as Cat . No. 33-178 or 20- 210) in t o the jack on top of you r scanner . This au to- mati ca lly discon nects the int ernal spe aker . Listening Safely To prot ect your hear ing, f oll ow these gui deli nes when you use an earpho n[...]

17 CONNECTING AN EXTENSION SPEAKER In a noi sy area, a n extension speaker ( such as Cat. No. 21-549) , posit ioned i n the r i g ht pla ce, migh t provi de mo re co mfor tab le li ste ning. Plug t he speak er c abl e’s 1 / 8 -inc h mini -plug i nto your sc anner’s jack. A TT ACHING THE BEL T CLIP You can attach t he supp lied belt clip t o mak[...]

18 ABOUT YOUR SCANNE R Once you understand a few s impl e terms we use i n t his manual an d familia r ize y ourself wit h your scanner ’s featu r es, you can put the sca nner to work for you. You simply determ in e the type of communi cations you want to recei ve , then set the scan ner to scan t hose commu- nicat i on s. A f requency i s the tu[...]

19 A LOOK A T THE KEYP AD Your sc anner’s keys might seem conf using at f i rst , but thi s informati on should hel p you underst and each key’s funct ion. HOLD — holds the fr equency search; holds on the cur- rent ID in the tru nk tr acking mode. SCAN — scans thro ugh the s tored chan nels. MAN ( manua l) — stops scanni ng and l e ts you[...]

20 DELA Y — programs a 2-second del ay for the sel ected channel , a limi t search, o r each ser vi ce s can; progr ams a 5-s econd de lay whi le t runk t rack ing. t — searche s down through a sel ected fre quency range dur ing a freq uency sear ch; select s options dur- ing p rogram opera tion; c hanges the I D locati on number while trun k t[...]

21 (trun king channe l acti vity bar s) — each repres ents a recei v ed trunk ing f r e quency or a data frequency while trun k tracki ng (see “Chann el Acti vity Bar s” on Page 47) . -1- — appears when t he weather service ba nd is se- lect ed. -2- — appea r s when the amat eur radio ser vice band is s ele c ted . -3- — appears when t [...]

22 MON — appears duri ng search m odes or when you select a monitor memor y. The num ber to t he ri ght of this indic ator s hows the curr ent moni tor memory nu m - ber. MAN — appears when you press MAN . PGM — appear s w hil e you store a frequency int o a channel , while you en ter a fre quency r ange du ring a limi t sear ch, or when yo u[...]

23 Monitor Memories The scanne r also has 5 tempo rary memor y locat ions call ed mon itor memories. You can u se these monitor memor ies to t emporari ly st ore fr equenc ies whi le you decid e whether t o store t hem int o a chann el. Th is i s handy f or quickl y stori ng an ac tive fr equency wh en you searc h through an enti r e band (see “S[...]

24 OPE RA TI ON TURNING ON THE SCANNE R AND SETTING SQUELCH Note: Make s ur e the sc anner’s a ntenna is connect ed befor e you turn it on. 1. Tu r n SQUE LCH full y count erclockwi se. 2. Tu r n VO LU ME/O FF clockwi se until it cl icks and you hear a hissin g sound. 3. Press MAN ( manual) to stop the sca nner from scanni ng, turn SQUELCH clo ck[...]

25 STORING KNOWN FREQUENCI ES INTO CHANNELS Good refe rences for ac t ive f r equenci es are Ra- dioShac k's “Beyon d Police Call, ” “Aeronau t ical Fre- quency Di rectory, ” and “Mar i time Freque ncy Directo r y.” We up date these directo r ies every y ear, so be su re to get a current copy. Foll ow thes e steps to store frequenc[...]

26 • Y our s canner a utomatical ly r ounds the ent ered frequ ency t o the neares t valid f reque ncy . For example, if you ent er a f r eq uency of 151.473, your scan ner accepts it as 151. 475. • Pre ss DELA Y if you want the sc anner to p ause 2 seconds af ter a trans miss ion ends befor e it pro- ceeds to t he next channel (see “Del ay?[...]

27 2. Enter the frequ ency that is the lo w er limi t of the range you want to search (i ncludi ng the deci mal point ) , then pr ess E . 3. Press LIMI T . Hi and 956.000 MHz appear . 4. Enter the fre quency t hat is t he upper l imit of the range you want to search (i ncludi ng the deci mal point ) , then pr ess E again. 5. Press t t o search from[...]

28 Notes: • If you wan t to start the searc h from a frequenc y alrea dy stored in one of your scan ner ’s chan- nels, press MA N or PRO G , use the number keys to ente r the chan nel number , then press MA N or PROG agai n. • If yo u enter an i nvali d freq uency , t he scanner displ ays Error . Sim ply r epe at th is st e p. 3. Press t t o [...]

29 When t he scanner stops on a transmi ssion, qui ckly press either: • HOLD to stop sear ching so you c an liste n to the transm ission . HO LD appea rs. • MON/CLEAR to store t he displaye d frequenc y into the cur r ent mo nit or memory . T o rele ase hold a nd continu e searchi ng, press HOLD or h old do wn t or s for at least 1 second. Or ,[...]

30 Notes: • If y ou marked al l fre quencies to be sk ipped wit hin the sear ch range, t he scanner beeps 3 times a nd does no t search. • If you prog ram more than 20 fr equencies t o skip, each n ew fr equency replaces one y ou al r ead y store d, starti ng f r o m the f irst fr equen cy you stor ed. • Press t or s to select a ski pped freq[...]

31 3. Press MO N/CL EAR and ente r the number of the monito r memory that cont ains the frequen cy you want to st ore . 4. Press E . Th e scanner st ores the freque ncy int o the selec ted ch annel. SCANNING THE ST ORED CHANNELS To be gin s canning channels , press SCAN . The scan ner scans t hrough all non-lo cked channels i n the ac tivated banks[...]

32 Or, i f y our scanner is scanning an d stops at the desired channel , press MAN one ti me. (Pre ssing MA N additi on- al ti m es caus es your sca nner to st ep t hrough the chan- nels. ) To res ume a uto mati c scan ning, press SCAN . 20-5 21.f m P ag e 32 We dne sday, Augus t 4, 19 99 3:32 P M[...]

33 SPEC IAL F EA TURES DELAY Many agencie s use a two- way radio system that might have a period o f 2 or m ore seconds between a query and a reply . To keep from missing a reply on a speci f ic channel , you can program a 2-secon d dela y into any channel or fre quency. The scanner conti nues t o moni- tor t he channel frequency for 2 sec onds aft[...]

34 The scann er scans al l the c hannels wit hin t he dis- played banks that are not l ocked out (see “ Locki ng Out Channels ” ). Notes: • Y ou can manual ly select any ch annel withi n a bank, even if that ba nk is t ur ned off. • Y ou ca nnot turn off al l banks. One bank must always be act ive. LOCKING OUT CHANNELS You can inc r ea se t[...]

35 1. Press PRO G . 2. Enter t he channel number you want to select as the pri orit y channel , then pre ss P RIO RITY . appears to the right of the channel n um ber . 3. Repeat St eps 1 and 2 f or the channel in each bank you wan t to pr ogram as a pri ority channe l . To revi ew all priori ty cha nnels, pres s PROG , then re- peated ly p ress PR [...]

36 USING THE KEYLOCK Once you p rogram yo ur scann er, yo u can prote ct it from ac cidental progr am changes by turni ng on t he keyloc k f e ature. When locked, t he onl y controls that operat e ar e SCAN , MA N , KEY LOCK , VOLU ME/O FF , an d SQUE LCH . Note : The key lock does no t prevent the s canner from scanni ng channels. To tur n on the [...]

37 TURNING THE KEY TONE OF F/ON To turn of f t he key tone, follow t hese st eps. 1. T urn off the scanner . 2. While hol ding down L-OUT/S/ S, tur n on the scan- ner . OFF bEEP a ppears. To tur n the key tone back on, repea t thes e steps . on bEEP appears. TURNING THE BA TTER Y SA VE FUNCTION OFF/ON To save ba ttery power when a channel i s manu [...]

38 SKIPPING DATA SIGNALS You can se t the scann er so it s k ips n onmodulated or data si gnals (suc h as fax or modem tra nsmissions) durin g a se arch o r scan . Note: Si nce dat a signals a r e not g eneral ly fou nd in the air band , this f eat ur e doe s not wor k in t he air band. To turn on t he data ski p featu r e, be sur e the priorit y f[...]

39 T RUNK T RACKING Your sc anner is des igned to t rack tran smissions o n Mo- toro l a Type I , Type II, a nd hybri d analog t r u nking sy s- tems, which ar e extensi v ely used in 8 00 MHz communi cati ons. Remem ber t hese importa nt poin ts when t racking transmissi ons: • Y our sca nner moni t o rs T ype II s ystems b y default . However ,[...]

40 The fl eets might be the pol ice de par tm ent, the fi re de- partment , utilit ies, and city admi nistr atio n. The pol ice migh t deci de to fur t h er divi de it s flee t into subf leet s such as dispatch, tactica l oper at ions , dete ct ive s, nor t h, south, east and west sid e patrol s, and superv isors. All the avai lable pol ice radios [...]

41 SETTING SQUELCH FOR THE T RUNK T RA CKING MODE Your scann er’s squelc h se tting is aut omat ically adj ust- ed duri ng t runk t r acki ng, which means it is not nece s- sary to manuall y adjust squelch whi le t r acki ng trunked tran smissions. However, the squel ch setti ng can af f e ct how fas t your sc anner acqui r es the da t a channel,[...]

42 Before scanni ng a t runked sys tem’s t ra nsmissions, you must s tore th e trunked syst em’s f requenc ies in one of the banks i n your scanne r by f oll owing these ste ps. 1. Press PRO G then TR UNK . TRUNK appear s and one or more bank num ber s f las h. 2. Select th e bank you want to store t he tru nked sys- tem’ s freque ncies in by[...]

43 6. Press SRC to beg i n search ing for the trun k’s data c hannel (the channel that controls the tr unk). SEARCH flas hes as the scanner searches for the data chan nel. While the s canner looks t hrough the fr equencies, you see th em on the disp lay . When t he scanner fin ds t he data chan nel, it begins t r unk tra cking. SCANNING A T RUNKE[...]

44 Hint: While scanning, you wil l not know exac tly who the IDs ar e assigned to until you lis ten awhile or until you loc at e ID lists i n fr equency guides or on inter net site s such as www.tr unkscan ner .com . Wi thin a few minutes , you can usuall y figu re out if what you are lis- tenin g t o i s a police, f i r e, or emerg ency medical 2-[...]

45 Locking Out I D s As with conv ention al scanni ng, it is possi ble to lock out unwante d t raffic . This is part icul arly i mportant in trun k- ed syst ems because si gnals yo u cannot lis t en to ( such as water meters, door alarms, traf fic si gnals , and en- crypt ed signals ) are as signed ID s just lik e other user s. You can have up to 1[...]

46 Using T runk T racking Scan Delay Many t runked systems h ave a per iod of 2 or more sec- onds bet ween a query and a re ply. You can pr ogram a 5-secon d delay to h old on an ID f or 5 seconds to wait for a reply. The sca nner con tinues to m onit or th e fre- quency f or 5 secon ds after t h e trans mission stops be- fore re suming scann ing .[...]

47 CHANNEL ACTIVITY BARS Your scan ner has 20 chan nel activi ty indicato rs (bars) which show the act ivity taki ng p lace on a trunke d sys- tem. Y ou can see how many fre quencies ar e being used and gen erally moni t or how much c ommunication tra ffi c is o c cur ri n g. Each f requency y ou st ore i n a trun king bank has a cor - respon ding [...]

48 SCAN LISTS When y ou progr am trunked f r e quencies into a ban k (see “St orin g Trunk ed Frequencie s” on Page 4 1), your scanner sets up 5 scan li sts in to which y ou can stor e your fav or it e IDs. Each li st can cont ai n up to 10 IDs, so you can sto re a total of 50 IDs for eac h trunk trac king bank ( 250 IDs if you use all banks as[...]

49 Or , to ent er a T ype I ID: a. Use the number ke ys to e nter the bl o ck number and flee t number , then press • . b. En ter the subfleet num ber , then p ress E . Note: T o clea r a mist ake whi l e enteri ng an I D, press 0 then E , then st art over at Step 1. 5. Repeate dly press PROG or s to select the ne xt scan l ist l ocat ion you wa [...]

50 SCANNING THE SCAN LIS TS Pre ss S CAN to begin scanni ng th e lists you hav e store d. Note: I f you have n ot stored any IDs, SCAN scr olls on the dis pl a y, but your scanner doe s not st op on an ac- tive conversat ion. To rem ove a s can list from activ e scanni ng, use t he number keys to ent er the scan list ’ s number. The scan lis t nu[...]

51 4. Press again. 5. Repeate dly press s or t to sel ect th e name of the map you want (such as E1P7 ) . The prepr o- gramm ed fl eet map app ears. 6. Press E , the n SRC. The s c ann er then searc hes for tran smissions usi ng t h e pres et map you chose. Note: When t he scanner search es for transmi ssions, you see Type I fle et and subfleet IDs[...]

52 When a Type I system is desi gned, the addr ess infor- 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 is ass i gned a size cod e. When you set up your scanner to track a Type I sys tem, you must cho ose a size c ode for each block. When you have ch osen a size code f or all 8 blocks , you[...]

53 The si ze cod es s elect ed b y a Typ e I sy stem des igner depend o n the spe cific n eeds of the sys tem's u sers. Some organiz ation s might want many subfl eets with only a few radios each, wh i le an other organ i z ation might want only a few subfl eet s, with many rad ios each. To scan Ty pe I system s, you m ust sel ect or program a[...]

54 E1P4 E1P5 E1 P6 Bloc k Si z e Code Block Size Code Bl ock Si ze Code 0S 1 2 0 S 4 0S 3 1 (S12 ) 1 S4 1 S10 2 S4 2 S12 2 S4 3S 4 3 ( S 1 2 ) 3S 4 4S 4 4 S 4 4S 1 2 5 S4 5 S4 5 (S1 2) 6S 4 6 S 4 6S 1 2 7 S4 7 S4 7 (S1 2) E1P7 E1P8 E1 P9 Bloc k Si z e Code Block Size Code Bl ock Si ze 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 fo r conven tional sc anning, pr ess PROG , t hen pr ess TRUNK . 2. Select t he bank wher e you want to sto r e the pres et fle et map by pre ssi ng a number key . 3. Press . 4. Repeate dly press s or t to s elect E1 . Then, when E1 fl ashes, pr ess E . E1P1 3 E 1P14 Block Size Code Bl ock Size [...]

56 9. Press SRC . The scanne r exits t he tr unking p ro- gramming m ode, tu nes the data chann el , th en begins to sear ch using the map you progr ammed. Note: If you select size code S -12, S-13 , or S-14, t hese restrict ions a pply: • S-12 c an onl y be assi gned to B locks 0, 2, 4, or 6. • S-13 c an onl y be assi gned to B locks 0 and 4. [...]

57 A GENERAL GUIDE TO SCAN NING Recepti on of the frequenci es covered by your scanner is mai nly “line- of -sight .” That means you usuall y cannot hear stations that a r e beyo nd the ho rizon. GUIDE TO FREQUENCIES National Weather Frequencies Canadian W e ather Frequencie s Note: Th ese freq uenci es are not pr epr ogrammed in the weather se[...]

58 GUIDE TO THE ACTION B ANDS T ypical Band Us age Prim ar y U s age As a general ru le, most of the radi o activ ity is concen- trat ed on the followi ng f requencies : VHF Band VHF Band Low Ra ng e 29 .00 –5 0. 00 M Hz 6-M et er Am ate ur 50 .00 –5 4. 00 M Hz U. S. Gove rnme nt 137. 00–1 44.0 0 MH z 2-M et er Am ate ur 144 .0 0– 14 8. 00 [...]

59 UHF Band Note: Remot e co ntr ol stations and m obi le units opera te at 5 M Hz hi gher than t he ir as sociated base st ati ons and rela y r epeate r units. BAND ALLOCA TION To help deci de which fr equency ra nges t o scan, use the fol l owing l isting of t he typic al serv ices t hat use th e f re- quenci es your scanne r receives . These f r[...]

60 ROAD . . . . . . . . . . . . . . . . . . . Ro ad & Hi gh way M ain ten anc e RTV . . . . . . . . . . . . . . . . . Rad io/TV R emo te Bro ad cast Pi cku p T AXI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . T axi S erv ices TE LB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M obil e T e leph one (A ircr a[...]

61 152 .0075 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M ED 152 .030– 152. 240 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEL B 152 .270– 152. 480 . . . . . . . . . . . . . . . . . . . . . IND, T A XI, BUS 152 .510– 152. 840 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TEL B 152 .8[...]

62 462 .937 5–46 3.187 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . ME D 463 .200 –467 .925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BU S FM-T V Au dio Broa dcas t, UHF Wi de Band ( 47 0–51 2 MHz ) (C hann els 14 thr ou gh 69 i n 6 MHz s t eps) 475 .750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

63 TROUBLES HOOTING If you have pr oblems, he re ar e some s uggestions that m i gh t h elp . I f they do n ot, t a ke yo ur scan ner to you r l o c a l RadioShack store for assi stance. PRO BLE M PO SSI BLE CAUSE REM EDY Sc anne r is o n but wi ll no t sc an. SQ UELC H is not adju sted c or- re ct ly . Turn SQUEL CH clock wis e. Onl y on e cha nne[...]

64 PROBLE M POSSI BLE CAUSE RE ME DY An ant enn a is no t co nn ec te d or co nn ec te d in co r - rectly . M ake sure an a nt enna is con - nect ed to th e s ca nner . Error appe ars . Pro gram ming error . R e-e nt er t he fre - qu ency c or rec tl y , incl ud in g t he de ci- mal po in t. Th e sc an n er loc ks o n f req uen- cies th at hav e an[...]

65 Sc anne r wi ll not st op w h ile s ca n- nin g a scan list. No I Ds hav e be en s tor ed. Sto r e one or more IDs (s ee “ Scan List s” on Pa ge 48. The I Ds yo u hav e st or ed a r e no t acti ve. S ca n an oth er tra nsmis sion . Sc anne r wi ll not ac q uir e a dat a c hanne l. SQ UELC H is not corr ect ly a djus ted for tru nk trac king.[...]

66 RESETTING THE SCANNER If t he sc anner’s di sp lay l ocks u p or d oes not wor k prop - erly , you might nee d to reset t he scan ner. Caution : This pr ocedure cl ears all the i nfor m ati on you have st ored into t he scann er. Befor e you reset t he scanner , try tu rni ng it off and on to see if i t beg ins work- ing pr operly. Reset t he [...]

67 CARE AN D MAINTENANCE Your Radi oShack PRO-91 150- Channel Handhel d Trunki ng Scanner is an exam pl e of super i or d esign and craf t s m anshi p. The fo llowing sugge stions wil l help you ca re fo r your scann er so you ca n e njoy i t for years . Keep th e scanner d ry. If it gets wet, wipe it dr y immed iatel y. Li quids can cont ain miner[...]

68 SPECIFIC A TIONS Frequenc y C over age: .... . 29–5 4 MHz (in 5 kHz st eps) 108–13 6.975 MHz (in 12.5 kHz st eps) 137–174 MHz ( in 5 kHz st eps) 406–512 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) 896.1 12 5–956 .0000 MHz (in 12.5 kHz st eps) Monitor Channel[...]

69 Power Req ui rement : 4 AA Alkali ne Bat t eri es ( 6.0 VDC), or 4 AA Rec hargeable Ni -Cd Bat teries (4 . 8 VDC), or AC Ad apt er (C at . N o. 2 7 3-1 665 ), or DC Adapt er (Cat . No. 270-1560) Current Drai n: Squelch ed ....... ...... . ... ... ..... . ... ... ..... ....... . .. . .. 70 mA Full Output . ...... . ... . ....... . ... . . ... ...[...]

70 NOTES 20-5 21.f m P ag e 70 We dne sday, Augus t 4, 19 99 3:32 P M[...]

71 20-5 21.f m P ag e 71 We dne sday, Augus t 4, 19 99 3:32 P M[...]

RadioShack A Divisi on of T andy Corpora t ion Fo rt Wort h, T exas 76102 UB ZZ0 1274Z Z 3A8 Print ed in the Phili ppi nes Lim it ed O ne-Y ear W arranty Thi s produc t i s warrant ed b y Rad i oShac k a g ains t manufacturin g de- fects in materi al and work manshi p under normal use for one (1) y ear from t he date of p urchase from RadioSha ck c[...]