Using Standard Ac Power - Radio Shack PRO-74 Owner's Manual

20-513.fm Page 11 Wednesday, August 4, 1999 2:39 PM

Using Standard AC Power

You can power the scanner from a standard AC outlet using an option-
al AC adapter (such as Cat. No. 273-1665).
Warning: Do not use an AC adapter's polarized plug with an extension
cord, receptacle, or other outlet unless the blades can be fully inserted
to prevent blade exposure.
Cautions:
• The recommended AC adapter supplies 9 volts and delivers at
least 300 milliamps. It has a barrel plug with a center negative tip
that correctly fits the scanner's
does not meet these specifications could damage the scanner or
the adapter.
• To protect your scanner and AC adapter, always plug the adapter
into the scanner before you plug it into the AC outlet, and always
unplug the adapter from the AC outlet before you unplug it from
the scanner.
• If batteries are installed, make sure
set to the correct position (see "Using Internal Batteries" on
Page 8).
1. Turn counterclockwise until it clicks to make sure power
VOLUME
is turned off.
2. Plug the adapter's 3.4 mm outside diameter/1.3 mm inside diame-
ter barrel plug into your scanner's
3. Plug the other end of the adapter into a standard AC outlet.
jack. Using an adapter that
POWER
ALKALINE JACK
jack.
POWER
is
NI-CD
11