Radio Shack PRO-28 User Manual
Page 9
9
4. Install two batteries in the compartment and two in the cover as
indicated by the polarity symbols (+ and –) marked inside.
Cautions:
• Never mix rechargeable and non-rechargeable batteries, or
rechargeable batteries of different capacities.
• Use only fresh batteries of the required size and type. Always
remove old or weak batteries. Batteries can leak chemicals that
destroy electronic circuits.
5. Replace the cover.
If
B
flashes on the display and the scanner beeps every 15 seconds, im-
mediately replace or recharge all four batteries.
IMPORTANT INFORMATION ABOUT THE
EXTERNAL POWER JACKS
The scanner has two external power jacks —
POWER
and
CHARGE
. It
is important that you understand the purpose of each jack before you
connect any adapter to the scanner.
POWER
CHARGE
20-508.fm Page 9 Wednesday, August 4, 1999 1:50 PM