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UMG 96-PA
75
15. 8
Battery
The internal clock is fed from the supply volt-
age. If the supply voltage fails then the clock
is powered by the battery. The clock provides
date and time information, e.g. for the record-
ings and the minimum and maximum values.
The life expectancy of the battery is at least 5
years with a storage temperature of +45 °C.
The typical life expectancy of the battery is 8
to 10 years.
The battery is replaced via the battery insert
provided on the bottom of the device. Ensure
that the correct type of battery is used here
and observe correct polarity when changing it
(plus pole facing the back of the device, and
the minus pole towards the front)!
c
WARNING!
Risk of injury from
electric voltage!
Serious bodily harm or death may result
from hazardous voltages.
For this reason, please note the follow-
ing:
•
De-energise the
system before starting work.
C
ATTENTION!
Grease or dirt on the contact sur-
faces form a transfer resistance that
will shorten the life of the battery.
Only touch the battery at the edges.
C
ATTENTION!
Make sure that the correct type of
battery is used and observe correct
polarity when changing it.
Summary of Contents for UMG 96-PA
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