10
Preparations
3. Insert four IEC R14 (size C) batteries with correct polarity, as shown
in the illustration below.
4. Insert the lithium battery with correct polarity.
5. Replace the battery compartment cover.
Important
z Take care not to mix up [+] and [-] polarity
when inserting the batteries.
Replace all four batteries at the same time,
and do not mix battery types.
When not in use, remove the batteries from
the unit.
z The lithium battery serves for backup of the
built-in calendar/clock IC. It has a life of about
2 years, but there is no means of checking
the remaining battery capacity. To be on the
safe side, you should replace the battery ev-
ery 1 to 1-1/2 years.
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