Radio-shack 20-404 User Manual download pdf (Page 8)

Setup

Power Sources

You can power your scanner from one of three sources:

• Rechargeable or non-rechargeable batteries (not

supplied).

• Standard AC power using an optional AC adapter

(not supplied).

• Vehicle power using an optional DC adapter (not

supplied).

Using Batteries

You can power the scanner with four AA batteries

(not supplied). For the longest operation and best

performance, we recommend alkaline batteries. If you

use rechargeable batteries, we recommend nickel-metal

hydride (Ni-MH) batteries.

Use the black battery holder for non-rechargeable

batteries. Use the yellow holder for rechargeable

batteries.

w Warning: Never install non-rechargeable batteries

in the rechargeable yellow battery holder. Non-

rechargeable batteries can get hot or explode if you try

to recharge them.

To install batteries

1. Slide open the battery compartment cover on the

back of the scanner.

2. Place 4 AA batteries into the correct battery holder

matching polarity symbols (+ / –):

Black – Alkaline (non-rechargeable)

Yellow – Rechargeable Ni-MH or Ni-Cd

3. Place the battery holder into the battery

compartment. The battery holder ﬁts only one way.

Do not force it.

4. Replace the cover.

Rechargeable

batteries (yellow

holder)

Alkaline or non-

rechargeable

batteries (black

holder)

b Battery Notes:

• When battery power is low,

appears and the

scanner beeps continuously. When battery power is

depleted, the scanner turns itself off.

• You must charge rechargeable batteries before you

use them the ﬁrst time.

• Do not allow any metal objects such as key rings,

necklaces, etc. to touch the (+) and (–) terminals

when the battery holder contains batteries. Do not

carry or store the battery holder with metal objects.

• Use only fresh batteries of the required size and

recommended type. Do not mix old and new

batteries, different types (alkaline or rechargeable),

or rechargeable batteries of different capacities.

Doing so can damage the batteries, causing

chemicals or lead leaks, ﬁre, or explosions.

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Radio-shack 20-404 User Manual Page 8

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