Panasonic NV- MS1 Series Operating Instructions Manual page 23

How to Insert the Battery for the Clock Operation
@ Remove the lid on the bottom of the S-VHS Movie with a (+)
screwdriver.
@ Insert the "LR1130" size battery with the polarities (® and ©)
aligned correctly and then replace the lid.
eThe clock starts working as soon as the battery is inserted.
The "LR1130" size battery (supplied) is necessary for the
operation of the built-in digital clock, and to memorize the
Date/Clock Indications when the S-VHS Movie is turned off.
-23-
Cautions
eWhen this battery is almost exhausted, the whole time and date
indication will flash.
eWhen this battery is completely exhausted, the indication
"PLEASE SET BATTERY" will appear.
@To make this indication disappear, press the Date/Clock Selector
twice.
elf this indication is still displayed after the battery has been
replaced, turn the S-VHS Movie off and then on again.
CAUTION FOR BATTERY REPLACEMENT
eThe life of the battery is about one year, however, it depends on
the frequency of use. Inspect and if necessary, replace the
battery once a year.
eLoad the new battery with their polarities (® and ©) aligned
correctly.
©Do not apply heat to battery, or internal short-circuit may occur.
Remove spent battery immediately and dispose of it.
ENGLISH