7
Maintenance
Page 7-2
gas-net
C1 and C2
Note:
When inserting the battery, pay attention to the correct polarity: The
positive pole (+) must point downwards! A wrong polarity will not be noticed
at first, but during the next power failure that lasts more than 15 minutes the
device data will be lost.
•
Re-assemble the device and connect the supply voltage.