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20-521.fm Page 1 Wednesday, August 4, 1999 3:32 PM
Owner’s Manual Cat. No. 20-521
PRO-91 150-Channel
Handheld Trunking Scanner
Please read before using this equipment.
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20-521.fm Page 2 Wednesday, August 4, 1999 3:32 PM FEATURES Your RadioShack PRO-91 150-Channel Handheld Trunking Scanner is one of a new generation of scan- ners designed to track Motorola Type I and Type II (such as Smartnet and Privacy Plus) and hybrid ana- log trunking systems, which are extensively used in many 800 MHz communication systems. Trunking communications systems let a large group of 2-way radio users (or even different groups of 2-way ra- dio users) efficiently use a large ran
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20-521.fm Page 3 Wednesday, August 4, 1999 3:32 PM Five Channel-Storage Banks — you can store up to 30 channels in each of 5 different banks to group chan- nels so you can more easily identify calls. Five Scan Lists — you can store up to 50 trunking IDs in each trunk tracking bank. Two-Second Scan Delay — delays scanning for about 2 seconds before moving to another channel, so you can hear more replies that are made on the same chan- nel. Lock-Out Function — lets you set your scanner to skip
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20-521.fm Page 4 Wednesday, August 4, 1999 3:32 PM Flexible Antenna with BNC Connector — provides excellent reception and is designed to help prevent an- tenna breakage. Or, you can connect an external an- tenna. Monitor Memories — let you temporarily store up to 5 frequencies or IDs. Memory Backup — keeps the frequencies stored in memory for an extended time if the PRO-91 loses pow- er. Three Power Options — let you power the scanner using internal batteries, external AC power using an optio
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20-521.fm Page 5 Wednesday, August 4, 1999 3:32 PM We recommend you record your scanner’s serial num- ber here. The number is on the back panel. Serial Number: ___________________________ FCC NOTICE Your scanner might cause radio or TV interference even when it is operating properly. To determine wheth- er your scanner is causing the interference, turn off your scanner. If the interference goes away, your scan- ner is causing it. Try the following methods to eliminate the interference: • Mov
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20-521.fm Page 6 Wednesday, August 4, 1999 3:32 PM quires that scanners be manufactured in such a way as to not be easily modifiable to pick up those transmis- sions. Do not open your scanner's case to make any modifications that could allow it to pick up transmis- sions that it is not legal to listen to. Doing so could sub- ject you to legal penalties. We encourage responsible, legal scanner use. CONTENTS Preparation ............................................................ 10 Power Sourc
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20-521.fm Page 7 Wednesday, August 4, 1999 3:32 PM Special Features .................................................... 34 Delay ................................................................ 34 Turning Channel-Storage Banks On and Off ... 34 Locking Out Channels ...................................... 35 Priority .............................................................. 35 Using the Keylock ............................................ 37 Using the Display Backlight ...................
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20-521.fm Page 8 Wednesday, August 4, 1999 3:32 PM Frequency Conversion 63 Troubleshooting 64 Resetting the Scanner ..................................... 67 Care and Maintenance .......................................... 68 Specifications ........................................................ 69 8
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20-521.fm Page 9 Wednesday, August 4, 1999 3:32 PM PREPARATION POWER SOURCES You can power your scanner from any of three sources: • Internal batteries (not supplied) • Standard AC power (using an optional AC adapter) • Vehicle battery power (using an optional DC adapter) Using Internal Batteries You can power your scanner using four AA batteries. For the longest operation and best performance, we recommend alkaline batteries (such as Cat. No. 23- 552). You can also use four rechargeable
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20-521.fm Page 10 Wednesday, August 4, 1999 3:32 PM 3. If you are installing alkaline batteries, use a pointed object such as a pencil to set ALKALINE JACK NI-CD inside the compartment to ALKALINE. Or, if you are installing nickel-cadmium batteries, set it to NI-CD. Warning: Never set ALKALINE JACK NI-CD to NI-CD if you are installing non-rechargeable bat- teries. Non-rechargeable batteries can get hot or explode if you try to recharge them. 4. Install two batteries in the compartment and
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20-521.fm Page 11 Wednesday, August 4, 1999 3:32 PM If BATT.Lo flashes and the scanner beeps every 15 seconds, replace (standard/alkaline) or recharge (re- chargeable nickel-cadmium) the batteries. Caution: Always dispose of old batteries promptly and properly. Do not bury or burn them. Charging Nickel-Cadmium Batteries The scanner has a built-in circuit that lets you recharge nickel-cadmium batteries while they are in the scanner. To charge the batteries, set ALKALINE JACK NI- to , instal
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20-521.fm Page 12 Wednesday, August 4, 1999 3:32 PM Important: At the end of a rechargeable battery’s use- ful life, it must be recycled or disposed of properly. Contact your local, county, or state hazardous waste management authorities for information on recycling or disposal programs in your area. Some options that might be available are: municipal curb-side collection, drop-off boxes at retailers such as your local Ra- dioShack store, recycling collection centers, and mail- back programs.
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20-521.fm Page 13 Wednesday, August 4, 1999 3:32 PM 1. Turn VOLUME/OFF counterclockwise until it clicks to make sure the power is turned off. 2. Plug the adapter’s 3.4 mm outside diameter/1.3 mm inside diameter barrel plug into your scanner’s POWER jack. 3. Plug the other end of the adapter into a standard AC outlet. If rechargeable batteries are installed and ALKALINE JACK NI-CD is set to NI-CD, the adapter powers the scanner and recharges the batteries at the same time. Using Vehicle Bat
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20-521.fm Page 14 Wednesday, August 4, 1999 3:32 PM 1. Turn VOLUME/OFF counterclockwise until it clicks to make sure the power is turned off. 2. Set the adapter’s voltage switch to 9V. 3. Connect the 3.4 mm outer diameter/1.3 mm inner diameter tip to the adapter cord, matching TIP to –. 4. Plug the adapter’s barrel plug into your scanner’s POWER jack. 5. Plug the other end of the adapter into your vehi- cle’s cigarette-lighter socket. If you have installed rechargeable batteries and set ALKA
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20-521.fm Page 15 Wednesday, August 4, 1999 3:32 PM CONNECTING THE ANTENNA Follow these steps to attach the supplied flexible anten- na to the connector on the top of your scanner. 1. Align the slots around the antenna’s connector with the tabs on the scanner’s BNC connector. 2. Slide the antenna’s connector down over the scan- ner’s connector and rotate the antenna connector’s outer ring clockwise until it locks into place. Connecting an Optional Antenna The scanner’s BNC connector makes it
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20-521.fm Page 16 Wednesday, August 4, 1999 3:32 PM CONNECTING AN EARPHONE/ HEADPHONES For private listening, you can plug an earphone or mono headphones (such as Cat. No. 33-178 or 20- 210) into the jack on top of your scanner. This auto- matically disconnects the internal speaker. Listening Safely To protect your hearing, follow these guidelines when you use an earphone or headphones. • Do not listen at extremely high volume levels. Extended high-volume listening can lead to per- manent he
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20-521.fm Page 17 Wednesday, August 4, 1999 3:32 PM CONNECTING AN EXTENSION SPEAKER In a noisy area, an extension speaker (such as Cat. No. 21-549), positioned in the right place, might provide more comfortable listening. Plug the speaker cable’s 1 / 8-inch mini-plug into your scanner’s jack. ATTACHING THE BELT CLIP You can attach the supplied belt clip to make your scanner easier to use when you are on the go. Use a Phillips screwdriver and the supplied screws to attach the belt clip to t
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20-521.fm Page 18 Wednesday, August 4, 1999 3:32 PM ABOUT YOUR SCANNER Once you understand a few simple terms we use in this manual and familiarize yourself with your scanner’s features, you can put the scanner to work for you. You simply determine the type of communications you want to receive, then set the scanner to scan those commu- nications. A frequency is the tuning location of a station (ex- pressed in kHz or MHz). To find active frequencies, you use the search function. Besides sear
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20-521.fm Page 19 Wednesday, August 4, 1999 3:32 PM A LOOK AT THE KEYPAD Your scanner’s keys might seem confusing at first, but this information should help you understand each key’s function. HOLD — holds the frequency search; holds on the cur- rent ID in the trunk tracking mode. SCAN — scans through the stored channels. MAN (manual) — stops scanning and lets you directly enter a channel number or frequency. PROG (program) — stores frequencies into channels; programs the trunking frequency,
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20-521.fm Page 20 Wednesday, August 4, 1999 3:32 PM DELAY — programs a 2-second delay for the selected channel, a limit search, or each service scan; programs a 5-second delay while trunk tracking. t — searches down through a selected frequency range during a frequency search; selects options dur- ing program operation; changes the ID location number while trunk tracking. s — searches up through a selected frequency range during a frequency search; selects options during pro- gram operation;
