PRO-39  (200-0303)            Power Sources             Faxback Doc. # 8990

Programmable Scanner

USING AN OPTIONAL ADAPTER

Caution:  Use only the recommended AC and DC adapters.

USING AN AC ADAPTER

To power the scanner from AC power you need Radio Shack's AC adapter (Cat.
No 20-188).  Plug the adapter's barrel plug into the PRO-39's PWR jack.
Then plug the adapter's power module into a standard AC outlet.

When you finish using the AC adapter, disconnect it from the AC Outlet
first.  Then disconnect it from the scanner.

Note:  If you have installed rechargeable nickel-cadmium batteries in the
       scanner, you can connect the AC adapter to the CHG jack.  This
       powers the scanner and recharges the batteries at the same time.

USING A DC ADAPTER

Note:  Mobile use of a scanner may be unlawful or require a permit in some
       areas.  Check the laws in your area.

You can power the scanner from your vehicle's cigarette lighter socket,
provided the vehicle has a 12-volt, negative-ground electrical system.  To
do so, you need Radio Shack's Universal DC Adapter (Cat. No. 270-1560A).

1.  Connect the adapter's orange barrel plug to the adapter's cable with
    the tip set to-(negative).

2.  Set the adapter's voltage switch to 9V.

3.  Insert the barrel plug into the scanner's PWR jack.

4.  Plug the other end of the adapter into your vehicle's cigarette
    lighter socket.

When you finish using the DC adapter, disconnect it from the cigarette
lighter first.  Then disconnect it from the scanner.

Notes:

*  If you have installed rechargeable nickel-cadmium batteries in the
   scanner, you can connect the DC adapter to the CHG jack.  This powers
   the scanner and recharges the batteries at the same time.

CHARGING NICKEL-CADMIUM, BATTERIES

The scanner has a built-in charging circuit that lets you recharge nickel
-cadmium batteries (Cat. No. 23-125) while they are in the scanner.  To
charge the batteries, simply connect an AC adapter (Cat. No. 20-188) or a
DC adapter (Cat. No. 270-1560A) to the scanner's CHG jack.

Warning:  Do not connect either adapter to the scanners CHG jack if you
have installed non-rechargeable batteries (standard, extra life, or
alkaline).  Non-rechargeable batteries become hot and can even explode if
you try to recharge them.

It takes about 10 to 18 hours to recharge batteries that are fully
discharged.  You can operate the scanner while recharging nickel-cadmium
batteries, but the charging time is lengthened

Charging Tips

Rechargeable lead-acid batteries, such as your car battery, work better and
last longer if you keep them fully charged all the time.  However, nickel
-cadmium batteries, such as those you use in this scanner, react in the
positive way.  They last longer and deliver more power if you occasionally
let them fully discharge.  To do this, simply use scanner until the low
battery indicator appears in the display.  Then fully charge the batteries.

(RLR-02-22-94)

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