Panasonic RCX230 - Manual (Page 7)

Time-Protecting Battery Back-Up
The back-up battery will keep the clock
operating during a power interruption.
When power is resumed, the display will
show the current time.
The alarm time is not affected by a power
interruption—so there is no need to reset
the alarm.
Battery installation--------
1
Connect a 9-Volt battery
(not included) to the snaps,
observing correct polarity.
A battery installed with incorrect
polarity may leak and damage the
unit.
Place the battery in the
compartment by inserting it
in the direction of the arrow
while pushing the bat­
tery holder in the direction
of the arrow O-
Note no battery cover is used.
Bottom of the unit
Battery replacement
Unplug the AC power cord from the AC
power outlet. After several seconds, plug it
back irito the outlet. If the digits flash con­
tinuously, replace the battery with a new
one.
Replace the battery with a new one after
or>e year of use (most batteries have a
shelf life of approximately one year).
If an extended power failure or interruption
occurs, replace the battery with a new one.