Radio-shack 20-404 User Manual download pdf (Page 9)

Setup

• Always turn off the scanner when not using it.

• Remove old or weak batteries. If you will not use

the scanner with batteries for a month, remove the

batteries. Batteries can leak chemicals that destroy

electronic circuits.

• In the event that a battery leaks, shows

transformation, discoloration, or abnormal

generation of heat, stop operation and replace the

batteries.

• Always dispose of old batteries promptly and

properly. Do not bury or burn them.

Charging Rechargeable Batteries

1. Install rechargeable batteries using the yellow

battery holder.

2. Connect an external power source to the PWR DC

9V jack using a 9V 400mA AC/DC adapter (not

supplied). The average charging times are listed

below.

Battery Current Charge Time

Ni-MH 1600 mAh 16 hours

Ni-Cd 600 mAh 6 hours

Ni-Cd 850 mAh 8 hours

b Recharging Notes:

• Do not overcharge batteries. Overcharging

shortens battery life.

• Using the scanner while charging will increase

charge time.

• Rechargeable batteries last longer and deliver more

power if you let them fully discharge once a month.

To do this, use the scanner until

appears.

Recycle Rechargeable Batteries

Placing rechargeable batteries in the trash can

be harmful to the environment. Instead, recycle

old rechargeable batteries at your local RadioShack

store free of charge. RadioShack participates in the

RBRC© battery recycling program, and is committed

to preserving the environment and conserving natural

resources. Call 1-800-THE-SHACK

(1-800-843-7422) for more information.

Using External Power

You can power your scanner using a

power source that supplies 9V DC and

delivers at least 400mA. Its center tip

must be set to positive and its plug

must ﬁt the scanner’s PWR DC 9V jack.

To use an external power source:

1. Connect the adapter (not supplied)

to the scanner’s PWR DC 9V jack.

2. Plug the adapter into the power

source (standard AC power or your

vehicle’s power port).

3. To disconnect, unplug the adapter from the power

source ﬁrst.

If you use an external power source for regular

operation, install alkaline batteries for emergencies.

Rechargeable batteries will self-discharge, even when

not used, and could have no usable power.

n Notes:

• Connecting an AC or DC adapter to the scanner

disconnects internal batteries when you use the

black non-rechargeable battery holder, but it does

not disconnect internal batteries when you use the

yellow rechargeable battery holder.

• If the scanner stops working properly after

connecting it to power, try resetting it (see

“Initializing the Scanner” on page 33).

• If you are powering from your vehicle’s power port

and your vehicle’s engine is running, you might hear

electrical noise from the engine while scanning.

This is normal.

w Caution: You must use a Class 2 power source

that supplies 9V DC and delivers at least 400mA. Its

center tip must be set to positive and its plug must ﬁt

the scanner’s PWR DC 9V jack. Using an adapter that

does not meet these speciﬁcations could damage the

scanner or the adapter.

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Radio-shack 20-404 User Manual Page 9

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