General Maintenance
Revision D Reference 6-33
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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.
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USER 1
Lithium
baery