Owner’s ManualCat. No. 20-524PRO-94 1000-ChannelHandheld Trunking ScannerPlease read before using this equipment.20-524.fm Page 1 Tuesday, August 31
10PREPARATIONYou can power your scanner from any of three sources: • internal batteries (not supplied) • standard AC power (using an optional AC adapt
113. Before you install alkaline or any other non-rechargeable batteries, use a pointed objectsuch as a ballpoint pen to set ALKALINE JACK NI-CD ins
12When BATT.Loflashes and the scanner beeps every15 seconds, replace all four batteries.Caution: Always dispose of old batteries promptly andproperly.
13Important: This scanner can usenickel-cadmium rechargeable batter-ies. At the end of a nickel-cadmiumbattery's useful life, it must be recy-cle
14Follow these steps to use the PRO-94 on AC power.1. Turn VOLUME/OFF counterclockwise until it clicksto make sure the power is turned off.2. Insert t
15• If batteries are installed, make sure the batteryswitch inside the battery compartment is set to thecorrect position (see “Using Internal Batterie
16CONNECTING THE ANTENNATo attach the supplied flexible antenna to the connectoron the top of your scanner, align the slots around theantenna’s connec
17CONNECTING AN EARPHONE/HEADPHONEFor private listening, you can plug an optional earphoneor mono headphones into the jack on top of yourscanner. T
18CONNECTING AN EXTENSION SPEAKERIn a noisy area, an optional extension speaker, posi-tioned in the right place, might provide more comfort-able liste
19ABOUT YOUR SCANNERWe use a few simple terms in this manual to explain thefeatures of the PRO-94. Familiarize yourself with theseterms and the scanne
2FEATURESYour RadioShack PRO-94 1000-Channel HandheldTrunking Scanner is one of a new generation of scan-ners designed to track Motorola Type I, Type
20A LOOK AT THE KEYPADYour scanner’s keys might seem confusing at first, butthis information should help you understand each key’sfunction and the pag
21L-OUT/S/SLets you lock out selected chan-nels or skip specified frequencies during a search; lets you lock out a selected ID while trunking30, 34, 5
22A LOOK AT THE DISPLAYThe display has indicators that show the scanner’s cur-rent operating status. The display information helps youunderstand how y
23DLY — appears when you select a delay.L/O — appears when you manually select a channelyou locked out.K/L (keylock) — appears when you lock the keypa
24UNDERSTANDING BANKSService BanksThe scanner is preprogrammed with all the frequenciesallocated to the weather, ham, marine, aircraft, and po-lice (f
25OPERATION TURNING ON THE SCANNERAND SETTING SQUELCHNote: Make sure the scanner’s antenna is connectedbefore you turn it on.1. Turn SQUELCH fully cou
26STORING KNOWN FREQUENCIES INTO CHANNELSYou can locate and store specific frequencies intochannels for later use. To assist you in locating a de-sire
27SEARCHING FOR AND TEMPORARILY STORING ACTIVE FREQUENCIES If you do not have a reference to frequencies in your ar-ea, use a limit, direct, or servic
284. Enter the frequency that is the upper limit of therange you want to search (including the decimalpoint), then press E (SVC) again.5. Press W to s
29•MON/CLR to store the displayed frequency intothe current monitor memory.5. To release the hold and continue searching, pressHOLD or hold down W or
320 Channel-Storage Banks — you can store up to 50channels in each of 10 different banks, in two separategroups, for a total of 1000 channels, so you
30To skip a frequency, press S/S(L-OUT) when the scannerstops on the frequency duringa limit, direct, or servicesearch. The scanner stores thefrequenc
31LISTENING TO THE MONITOR MEMORIESTo listen to the frequency stored in any one of the tenmonitor memories, press MAN, MON/CLR (•), then thenumber of
32SCANNING THE STORED CHANNELSTo begin scanning channels, press SCAN. The scannerscans through all non-locked channels in the activatedbanks. (See “Lo
33SPECIAL FEATURESDELAYSometimes a user might pause before replying to atransmission. To avoid missing a reply on a specificchannel, you can program a
34While scanning, press the number key that correspondsto the bank you want to turn on or off. Numbers appearat the top of the display, showing the cu
35The scanner automatically designates each bank's firstchannel as its priority channel. Follow these steps toselect a different channel in a ban
36USING THE KEYLOCKTo protect the scanner from accidental program chang-es, turn on the keylock feature. When the scanner islocked, the only controls
37TURNING THE KEYTONE OFF/ON1. Turn off the scanner.2. While holding down L-OUT/S/S, turn on the scan-ner. OFF bEEP appears.To turn the key tone back
38SKIPPING DATA SIGNALSTo prevent the scanner from stopping on channels thatconsist of nonmodulated or data signals (such as fax ormodem transmissions
39When the scanner receives a SAME coded signal,ALERT flashes and an associated “L” code (which indi-cates the severity of the alert) appears, as well
4Disconnect Tone Detect — the scanner automaticallytunes to the trunking data channel when it receives adisconnect transmission. You can turn this off
40NWR-SAME Alert Tone TestTo hear and test the tones for the three alert levels,press SVC (E) to select the weather service, then holddown ALT for abo
41TRUNKING OPERATIONThe PRO-94 scanner tracks transmissions that use theMotorola Type I, Type II, hybrid, and, Ericsson EDACSanalog trunking systems.
42The police department, fire department, utilities group,and city administration could each be a separate fleet.The police might decide to further di
43SETTING SQUELCH FOR THETRUNKING MODEYour scanner’s squelch setting is automatically adjust-ed during trunking, which means it is not necessary toman
44• You can designate any of your scanner’s banks aseither a trunk scanning bank or conventional scan-ning bank, but you cannot mix the two modes inon
45Notes: • If you enter an invalid frequency (outside theselected range), the scanner beeps, the channelnumber flashes and Error appears. If thishappe
46SCANNING A TRUNKED BANKOnce you have stored frequencies for a trunked sys-tem in one or more of the 20 available banks, and whilethe PRO-94 scans co
47covering the ID owner of each signal is half the fun oftrunk scanning!Turning a Trunked Bank On or OffPress DATA (ALT) during trunk scanning. The se
48Follow these steps to turn status bit ignore on or off.1. Hold down SCAN until the current status bit ignoresetting (ON or OFF) appears.2. Press ▲ t
49Using HOLD to Monitor anActive Talk Group IDFollow these steps to stop scanning and keep the scan-ner tuned to a desired ID. 1. Press HOLD (A/B). HO
5Your scanner can receive these bands:Frequency Range (MHz)Step(kHz) Transmission29–29.7 5 10-Meter Ham Band29.7–50 5 VHF Lo Band50–54 5 6-Meter Ham B
50Locking Out Talk Group IDsMany municipal and commercial services use trunksystems to transmit signals from such devices as watermeter transmitters,
51Using Trunk Scanning Scan DelaySometimes a user might pause before replying to atransmission. You can set the scanner to hold on an IDfor 5 seconds
52CHANNEL ACTIVITY BARSYour scanner displays up to 20 channel activity bars forthe stored frequencies in a bank. These bars indicatethe activity takin
53up to 10 IDs, for a total of 50 IDs for each trunk scan-ning bank. If you use all the banks as trunking banks,you can store 1000 IDs. Talk group ID
54Moving Talk Group IDs toTalk Group ID Lists1. Press MAN. MAN appears.2. Select the ID scan list location where you want tostore the IDs, then press
55Priority Talk Group ID ScanningYou can assign a priority to a favorite ID so duringscanning the scanner checks that ID more frequentlythan the other
56Subfleet information is included with the frequency listfor a Type I system. To enter the provided map, see“Programming a Fleet Map” on Page 60.Note
57E1P1 E1P2 E1P3BlockSizeCode BlockSizeCode BlockSizeCode0S110S40S41S111S41S42S112S42S43S113S43S44S114S44S45S115S45S46S116S46S127 S11 7 S4 7 (S12)E1P4
586S46S46S07S47S47S0E1P10 E1P11 E1P12BlockSizeCode BlockSizeCode BlockSizeCode0S00S40S01S01S01S02S02S02S03S03S03S04S04S04S05S05S05S06S46S06S07S47S07S4
59Selecting a Preset Fleet Map1. Set the scanner for conventional scanning andpress PROG then TRUNK to select the bank tostore the fleet map. A previo
6FCC NOTICEYour scanner might cause radio or TV interferenceeven when it is operating properly. To determinewhether your scanner is causing the interf
60Programming a Fleet Map1. Set the scanner for conventional scanning. PressPROG, then press TRUNK.2. Press the number key of the bank where you wantt
61Programming the Base and Offset FrequenciesTo properly track Motorola VHF and UHF trunked sys-tems, you must program the applicable base and offsetf
62Turning On/Off the Motorola Disconnect Tone Detect FunctionWhile trunking a Motorola system, your scanner auto-matically tunes to the data channel w
63A GENERAL GUIDE TOSCANNINGYour scanner’s reception is mainly “line-of-sight.” Youusually cannot hear stations that are beyond the hori-zon.GUIDE TO
64GUIDE TO THE ACTION BANDSTypical Band UsagePrimary UsageAs a general rule, most of the radio activity is concen-trated on the following frequencies:
65UHF BandNote: Remote control stations and mobile units operateat 5 MHz higher than their associated base stations andrelay repeater units.BAND ALLOC
66ROAD ...Road & Highway MaintenanceRTV...Radio/TV Remote Broadcast PickupTAXI...
67152.0075 ...MED152.030–152.240 ...
68462.9375–463.1875... MED463.200–467.925...
69TROUBLESHOOTINGIf your PRO-94 is not working as it should, these sug-gestions might help you eliminate the problem. If thescanner still does not ope
7This scanner is designed to prevent reception of illegaltransmissions, in compliance with the law which re-quires that scanners be manufactured in su
70BATT. Lo flashes.The batteries are weak.Recharge the rechargeable bat-teries or replace the non-recharge-able batteries.Poor or no recep-tion.Batter
71Scanner is set to receive Type I trunked frequen-cies, but does not scan them.The fleet map you have select-ed or entered might be incor-rect.Check
72RESETTING THE SCANNERIf the scanner’s display locks up or stops operatingproperly, you might need to reset the scanner. Caution: This procedure clea
73CARE AND MAINTENANCEModifying or tampering with the scanner’s internal com-ponents can cause a malfunction, invalidate your scan-ner’s warranty and
74SPECIFICATIONSFrequency Coverage: ... 29–54 MHz (in 5 kHz steps)108–136.975 MHz (in 12.5 kHz steps)137–174 MHz (in 5 kHz steps)216–224.995 MHz
75Built-in Speaker ...17/16 Inches (36 mm)8 Ohm Dynamic TypeMaximum Current Drain ... 180 mAP
RadioShackA Division of Tandy CorporationFort Worth, Texas 76102UBZZ01306ZZ08A99 Printed in the PhilippinesLimited One-Year WarrantyThis product is wa
8CONTENTSPreparation ...... 10Using Internal Batteries ...
9Trunking Operation ............... 41Types of Trunking Systems ........... 41
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