7 Maintenance and Inspection
7.1 Handling of Backup Battery ................................................................7-2
7.1.1 Functions of Backup Battery ............................................................ 7-2
7.1.2 Replacement of Backup Battery ...................................................... 7-2
7.1.3 Lifetime and Replacement Interval of Backup Battery ..................... 7-4
7.2 Inspection............................................................................................7-5
WUME-FP7CPUH-09
7-1