PRO-94 1000-Channel Handheld Trunking Scanner
(200-0524) Preparation Faxback Doc. # 57983
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 alkaline, lithium, or rechargeable
(Ni-Cd, or Ni-MH) AA batteries (not supplied). For the longest operation
and best performance, we recommend the selected batteries available from
your local RadioShack store.
Using Non-Rechargeable Batteries
Follow these steps to install non-rechargeable batteries.
1. Turn VOLUME/OFF counterclockwise until it clicks to make sure the
power is turned off.
2. Slide up and hold the tab on the back of the scanner, then pull up the
battery compartment cover from the top edge.
3. Before you install alkaline or any other non-rechargeable batteries,
use a pointed object such as a ballpoint pen to set ALKALINE < JACK >
NI-CD inside the compartment to ALKALINE.
WARNING: Set ALKALINE < JACK > NI-CD for use only with nickel cadmium
(Ni-Cd) or nickel metal hydride (NI-MH) rechargeable
batteries. Never attempt to recharge non-rechargeable
batteries. Non-rechargeable batteries can get hot or
explode if you try to recharge them.
4. Install two batteries in the compartment and two in the cover as
indicated by the polarity symbols (+ and -) marked inside those
locations.
CAUTIONS: Use only fresh batteries of the required size and
recommended type.
Always remove old or weak batteries. Batteries can leak
chemicals that destroy electronic circuits.
Do not mix old and new batteries, different types of
batteries (standard, alkaline, or rechargeable) or
rechargeable batteries of different capacities.
5. Replace the cover, inserting the lower tabs first.
When BATT. Lo flashes and the scanner beeps every 15 seconds, replace all
four batteries.
CAUTION: Always dispose of old batteries promptly and properly. Do not
bury or burn them.
Using Rechargeable Batteries
You can also use four rechargeable batteries. Before you use nickel
cadmium or nickel-metal hydride batteries, you must charge them.
The scanner has a built-in circuit that lets you recharge Ni-Cd and NI-MH
batteries while they are in the scanner. To charge the batteries, set
ALKALINE < JACK > NI-CD to NI-CD, install the batteries in the scanner,
and connect an external AC or DC adapter to the scanner's POWER jack (see
"Using AC Power" or "Using Vehicle Battery Power" below).
WARNING: Do not connect either adapter to the scanner if non-rechargeable
batteries (such as alkaline batteries) are installed in the
scanner and ALKALINE < JACK > NI-CD is set to NI-CD, or if you
are unsure of the switch's position. Non-rechargeable batteries
will get hot and can even explode if you try to recharge them.
Before you use Ni-Cd or Ni-MH batteries for the first time, charge them at
least 24 hours to bring them to a full charge.
Discharged batteries take about 10 to 18 hours to fully recharge. If you
use the scanner while the batteries are charging, charging takes longer.
Notes: Nickel-cadmium batteries last longer and deliver more power if you
occasionally let them fully discharge. To do this, simply use the
scanner until it beeps every 15 seconds and BATT Lo flashes.
To prevent damage to nickel-cadmium batteries, never charge them
in an area where the temperature is above 113 degrees F (40
degrees C) or below 40 degrees F (4 degrees C).
IMPORTANT: This scanner can use nickel-cadmium rechargeable batteries. At
the end of a nickel-cadmium battery'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 curbside collection,
drop-off boxes at retailers such as your local RadioShack
store, recycling collection centers, and mail-back programs.
Using AC Power
You can power the PRO-94 using a 9V, 300 mA AC adapter and a size H
Adaptaplug (neither supplied). Both are available at your local Radio
Shack store.
CAUTIONS: You must use a Class 2 power source that supplies 9V DC and
delivers at least 300 mA. Its center tip must be set to
negative and its plug must fit the PRO-94's POWER 9V 300 MA
jack. Using an adapter that does not meet these specifications
could damage the PRO-94 or the adapter.
Always connect the AC adapter to the PRO-94 before you connect
it to AC power. When you finish, disconnect the adapter from
AC power before you disconnect it from the PRO-94.
Follow these steps to use the PRO-94 on AC power.
1. Turn VOLUME/OFF counterclockwise until it clicks to make sure the
power is turned off.
2. Insert the Adaptaplug into the adapter's cord so it reads TIP -.
Insert the Adaptaplug into the PRO-94's POWER 9V 300 mA jack.
3. Plug 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 installed
batteries at the same time.
Using Vehicle Battery Power
You can power the PRO-94 from a vehicle's 12V power source (such as
cigarette-lighter socket) using a 9V, 300 mA DC adapter and a size H
Adaptaplug (neither supplied). Both are available at your local Radio
Shack store.
CAUTIONS: You must use a power source that supplies 9V DC and delivers at
least 300 mA. Its center tip must be set to negative and its
plug must fit the PRO-94's POWER 9V 300mA jack. Using an adapter
that does not meet these specifications could damage the PRO-94
or the adapter.
Always connect the DC adapter to the PRO-94 before you connect
it to the power source. When you finish, disconnect the adapter
from the power source before you disconnect it from the PRO-94.
If batteries are installed, make sure the battery switch inside
the battery compartment is set to the correct position (see
"Using Internal Batteries" above).
1. Turn VOLUME/OFF counterclockwise until it clicks to make sure the
power is turned off.
2. If the adapter has a voltage switch, set the switch to 9V.
3. Insert the Adaptaplug into the adapter's cord so it reads TIP -.
Insert the Adaptaplug into the PRO 94's POWER 9V 300 mA jack.
4. Plug the adapter's barrel plug into your scanner's POWER 9V 300 mA
jack.
5. Plug the other end of the adapter into your vehicle's cigarette
lighter socket.
If rechargeable batteries are installed and ALKALINE < JACK > NI-CD is set
to NI-CD, the adapter powers the scanner and recharges the installed
batteries at the same time.
Note: If the scanner does not operate properly when you use a DC adapter,
unplug the adapter from the cigarette-lighter socket and clean the
socket to remove ashes and debris.
Connecting The Antenna
To attach the supplied flexible antenna to the connector on the top of
your scanner, align the slots around the antenna's connector with the tabs
on the scanner's BNC connector. Then 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 BNC connector makes it easy to connect a variety of optional
antennas, including an external mobile antenna or outdoor base station
antenna. Your local RadioShack store sells a wide selection of antennas.
Note: Always use 50-Ohm, RG-58 or RG-8, coaxial cable to connect an
outdoor antenna. If the antenna is over 50 feet from the scanner,
use RG-8 low loss dielectric coaxial cable. If your antenna's cable
does not have a BNC connector, your local RadioShack store carries
a variety of BNC adapters.
Connecting An Earphone/Headphone
For private listening, you can plug an optional earphone or more
headphones into the (headphone symbol) 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 or headphones with your scanner when operating a
motor vehicle in or near traffic. Doing so can create a traffic hazard
and could be illegal in some areas.
If you use an earphone or 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
In a noisy area, an optional extension speaker, positioned in the right
place, might provide more comfortable listening. Plug the speaker cable's
1/8-inch (3.5-mm) mini-plug into your scanner's (earphone symbol) jack.
Your local RadioShack store carries a selection of suitable speakers.
Attaching The Belt Clip
To make your scanner easier to carry when you are on the go, use the
supplied belt clip. Use a Phillips screwdriver and the supplied screws
to attach the clip to the scanner.
(BR EB 12/6/99)
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