Radio Shack DX-398 User Manual download pdf (Page 6)

DX-375 (200-0212) Alternate Power Sources

STANDARD AC POWER

To power your receiver from an AC outlet, you need an AC adapter (such as

Cat. No. 273-1654).

CAUTIONS: You must use an AC adapter that supplies 3 volts DC power and

delivers at least 300 milliamps. Its center tip must be set to

negative, and it must have a plug that properly fits your

receiver's DC 3V jack. Using an adapter that does not meet

these specifications could damage your receiver or the adapter.

If you disconnect power from the receiver for about 1 hour, all

information stored in memory will be lost. We recommend you

keep the batteries installed when you use the AC adapter to

protect the memory from a power loss.

Follow these steps to power the receiver AC power.

1. Set the adapter's voltage switch to 3V.

2. Connect the adapter's black barrel plug to the adapter's cord with the

TIP set to -NEG.

3. Insert the barrel plug into the receiver's DC 3V jack. This

disconnects the internal batteries.

4. Plug the adapter into a standard AC outlet.

VEHICLE BATTERY POWER

To power your receiver from a vehicle's battery power, you need a DC

adapter (such as Cat. No. 270-1560A).

CAUTIONS: The vehicle must have a 12-volt, negative-ground electrical

system.

You must use a DC adapter that supplies 3 volts DC adapter that

supplies 3 volts DC power and delivers at least 300 milliamps.

Its center tip must be set to negative, and it must be set to

negative, and it must have a plug that properly fits your

receiver's DC 3V jack. Using an adapter that does not meet

these specifications could damage your receiver or the adapter.

Plug the adapter into your receiver before you plug it into the

cigarette-lighter socket. Also, unplug the adapter from the

cigarette-lighter socket before you unplug it from your

receiver. An unconnected plug might touch a metal object and

damage the adapter or your vehicle's electrical system.

Follow these steps to power your receiver from your vehicle's battery

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Radio Shack DX-398 User Manual Page 6