RadioShack Pro 90 TrunkTracker Scanner Owners Manual

Owner’s ManualCat. No. 20-520
PRO-90 300-Channel
TrunkTracker Scanner
Please read before using this equipment.
20-520.fm  Page 1  Wednesday, August 4, 1999  3:06 PM 

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FEATURES
Your new RadioShack PRO-90 300-Channel Trunk-
Tracker Scanner is the first of a new generation of scan-
ners designed to track Motorolaä Type I and Type II
(such as Smartnetä, and Privacy Plusä) and hybrid an-
alog 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 radio
users) efficiently use a large range of frequencies. Instead
of selecting a specific...

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Ten Channel-Storage Banks — let you store 30 chan-
nels in each bank to group channels so you can more
easily identify calls.
Five Scan Lists — let you store up to 50 IDs in each
tracking bank (up to a total of 500).
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 channel.
Lock-Out Function — lets you set your scanner to skip
over specified channels or frequencies when scanning
or searching, and skip...

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Flexible Antenna with BNC Connector — provides ex-
cellent reception and is designed to help prevent anten-
na breakage. Or, you can connect an external antenna.
Memory Backup — keeps the frequencies stored in
memory for an extended time.
Three Power Options — let you power the scanner us-
ing the built-in rechargeable battery pack, external AC
power using the supplied AC adapter/charger, or DC
power using an optional DC cigarette-lighter power ca-
ble.
Key Confirmation Tones — the scanner sounds a...

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We recommend you record your scanner’s serial num-
ber here. The number is on the bottom panel.
Serial Number: ___________________________ 
FCC NOTICE
Your scanner might cause radio or TV interference even
when it is operating properly. To determine whether your
scanner is causing the interference, turn off your scanner.
If the interference goes away, your scanner is causing it.
Try the following methods to eliminate the interference:
• Move your scanner away from the receiver 
• Connect your scanner...

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CONTENTS
Preparation ................................................................  8
Power Sources  .....................................................  8
Using the Rechargeable Battery Pack  ..........  8
Using Standard AC Power  ............................  9
Using Vehicle Battery Power .......................  10
Connecting the Antenna  ..................................... 11
Connecting an Optional Antenna  ................  12
Connecting an Earphone/Headphones  ..............  13
Listening...

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Trunk Tracking  .........................................................  32
Types of Trunked Systems  .................................  32
Setting the Scanner to the Trunk Tracking Mode   33
Setting Squelch for the Trunk Tracking Mode  ....  34
Programming Trunked Frequencies  ...................  34
Scanning a Trunked Bank  ..................................  36
Monitoring an Active ID  ...............................  37
Locking Out IDs  ...........................................  38
Unlocking a...

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PREPARATION
POWER SOURCES
You can power your scanner from any of three sources: 
• Built-in rechargeable battery pack
• Standard AC power using the supplied AC adapter/
charger 
• Vehicle battery power using an optional DC ciga-
rette-lighter power cable
Using the Rechargeable Battery Pack
You must charge your scanner’s built-in rechargeable
battery pack before you can use it to power the scanner.
Your scanner has a built-in charging circuit that lets you
charge the rechargeable battery pack while it...

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1. Press down on the battery compartment cover and
slide the cover in the direction of the arrow to
remove it.
2. Disconnect the battery pack’s connector from the
scanner’s connector. Then remove the battery pack
from the battery compartment.
3. Attach the new battery packs connector to the bat-
tery socket inside the battery compartment. Then
put the battery pack into the compartment.
4. Replace the cover.
When the scanner’s battery gets low,   blinks and
the scanner beeps about every 15 seconds....

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Warning: Do not use the AC adapter/chargers polarized
plug with an extension cord, receptacle, or other outlet
unless the blades can be fully inserted to prevent blade
exposure.
Caution: Use only the supplied AC adapter/charger. It is
specifically designed for this scanner.
Using Vehicle Battery Power
To power the scanner from your vehicles cigarette-light-
er socket, you need a DC cigarette-lighter power cable,
such as Cat. No. 270-031.
Cautions:
• The DC cigarette-lighter power cable must be capa-...