C
B
LOCK
ATTERY
A lithium coin battery supports the clock so the date and time is
retained even when the main power is turned off. See Figure 6-21.
Replace the battery about every five years (or as needed) with a DL
2025, DL 2032, or CR 2025, or CR 2032 battery.
Revision D
R
EPLACEMENT
Reference
General Maintenance
Lithium
ba ery
Figure 6-21.
6-33