Service manual

Security Device Maintenance
V Series Service Manual 2–37
The only purpose of the backup battery is to support the clock and
memory if power is not available from the battery pack. After the
batteries in the battery pack fail, the backup battery can maintain the
clock and memory for several years.
To replace the battery pack:
Refer to Figure 2.16 and follow the steps below.
1. Open the battery compartment by removing the security screw and
the battery compartment cover.
2. Remove the battery pack from the compartment.
3. Disconnect the old battery pack, as shown in Figure 2.17, and
connect the new battery pack.
Figure 2.16 Removing and replacing the battery compartment cover
Security screw
Tabs
Battery compartment cover
Figure 2.17 Disconnecting the old battery pack
Battery pack
Disconnect here