Kopp Free-control Mode D'emploi page 32

GB
Universal radio transmitter input channels and contact assignment
Battery - Battery replacement
For replacing the battery, open the cap
carefully. Remove the battery and replace
it by a new one of the same type. Do not
use accumulators. When installing, please
observe both correct poling and proper
contacting. Lock then the cap into place.
Upon battery replacement, the universal
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2
3
4
radio transmitter must not be readapted to
the radio receiver, if this was already carried
out prior to the battery replacement. The
battery life is approx. 2.5 to 3 years at 20
switching operations per day. We recom-
mend therefore replacing the battery every
two years.