PRO-90 300-Channel Trunk Tracker Scanner
(200-0520) Preparation Faxback Doc. # 45393
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 cigarette-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 is in
the scanner.
To charge the battery pack, simply connect the supplied AC adapter/charger
or an optional DC cigarette-lighter power cable to the scanner's EXT.PWR
jack. See "Using Standard AC Power" or "Using Vehicle Battery Power" below.
It takes about 14-16 hours to recharge a battery pack that is fully dis-
charged. (You can operate the scanner while recharging the battery pack,
but charging takes longer).
Notes: The scanner automatically stops charging the battery pack when it
is fully charged, even if the supplied AC adapter/charger or a DC
cigarette-lighter power cable is still connected to the scanner.
A rechargeable battery pack lasts longer and delivers more power if
you occasionally let it fully discharge. To do this, simply use the
scanner until the low battery indicator appears. Then fully charge
the battery pack.
If the battery pack doesn't power the scanner even after you charge it, you
must replace it. You can order a replacement battery pack from your local
RadioShack store.
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 pack's connector to the battery socket inside
the battery compartment. Then put the battery pack into the compart-
ment.
4. Replace the cover.
When the scanner's battery gets low, BATT blinks and the scanner beeps about
15 seconds.
IMPORTANT: At the end of a rechargeable battery pack's useful 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 RadioShack store, recycling
collection centers and mailback programs.
Using Standard AC Power
To power the scanner from AC power, use the supplied AC adapter/charger.
Plug the adapter/charger's barrel plug into the scanner's EXT.PWR jack.
Then plug the AC adapter/charger's power module into a standard AC outlet.
WARNING: Do not use the AC adapter/charger's polarized plug with an exten-
sion 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 vehicle's cigarette-lighter socket, you need
a DC cigarette-lighter power cable, such as Cat. No. 270-031.
CAUTIONS: The DC cigarette-lighter power cable must be capable of deliver-
ing 12 volts, its center tip must be set to positive, and its
barrel plug must correctly fit the scanner's EXT.PWR jack. The
recommended power cable meets these specifications. Using a power
cable that does not meet these specifications could damage the
scanner or the power cable.
To protect your vehicle's electrical system, always plug the
power cable into the scanner before you plug it into your
vehicle's cigarette-lighter socket. Always unplug the power
cable from the vehicle's cigarette-lighter socket before you
unplug it from the scanner.
Insert the DC cigarette-lighter power cable's barrel plug into the EXT.PWR
jack, then plug the power cable's other end into your vehicle's cigarette-
lighter socket.
When you finish using the DC cigarette-lighter power cable, disconnect it
from the cigarette-lighter socket, then disconnect it from your scanner.
Note: If the scanner does not operate properly when you connect a DC cigar-
ette-lighter power cable, unplug the power cable from the cigarette-
lighter socket and clean the socket to remove ashes and other debris.
Connecting The Antenna
Follow these steps to attach the supplied flexible antenna 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 scanner's connector and
rotate the antenna connector's outer ring clockwise until it locks into
place.
Connecting an Optional Antenna
The scanner's antenna jack makes it easy to use the scanner with a variety
of antennas. Instead of the supplied antenna, you can attach a different
one, such as an external mobile antenna or outdoor base station antenna.
Your local RadioShack store sells a variety of antennas.
Always use 50-Ohm coaxial cable, such as RG-58 or RG-8, to connect an out-
door antenna. For lengths over 50 feet, use RG-8 low-loss dielectric
coaxial cable. If your antenna's cable does not have a BNC connector, use
a BNC adapter available at your local RadioShack store.
Follow the installation instructions supplied with the antenna, route the
antenna cable to the scanner, then connect it to the antenna jack.
WARNING: Use extreme caution when installing or removing an outdoor antenna.
If the antenna starts to fall, let it go! It could contact overhead
power lines. If the antenna touches a power line, contact with the
antenna, mast, cable or guy wires can cause electrocution and death!
Call the power company to remove the antenna. Do not attempt to do
so yourself.
CAUTIONS: Do not run the cable over sharp edges or moving parts.
Do not run the cable next to power cables or other antenna cables.
Do not run the cable through a vehicle's engine compartment or
other areas that produce extreme heat.
Follow all cautions and warnings included with the antenna.
Connecting An Earphone/Headphones
For private listening, you can plug an earphone or headphones with a 1/8-
inch mini plug (such as Cat. No. 33-175 or 20-210) into the (headphones)
jack on top of your scanner. This automatically 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 permanent hearing loss.
Set the volume to the lowest setting before you begin listening. After
you begin listening, adjust the volume to a comfortable level.
Once you set the volume, do not increase it. Over time, your ears adapt
to the volume level, so a volume level that does not cause discomfort
might still damage your hearing.
Traffic Safety
Do not use an earphone/headphones with your scanner when operating a motor
vehicle or riding a bicycle in or near traffic. Doing so can create a
traffic hazard and could be illegal in some areas.
If you use an earphone/headphones with your scanner, be very careful. Do
not listen to a continuous broadcast. Even though some earphones/headphones
let you hear some outside sounds when listening at normal volume levels,
they still can present a traffic hazard.
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 headphone jack.
Attaching The Belt Clip
You can attach the supplied belt clip to make your scanner easier to carry
when you are on the go. Use a Phillips screwdriver and the two supplied
screws to attach the belt clip to the scanner. Then slide the belt clip
over your belt or waistband.
(LB/EB 11/14/97)
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