36 Installation Guide APC Silcon 480kW 400V UPS
990-4053
Programming Parameters
5.1.1 Programming Keys
NOTICE!
Display accuracy is + 1%, + digit.
Scrolls up
through list
Scrolls down
through list
Stores
parameters/
enter parameter
stack
Silences the
audible alarm
Chooses parameters
Displays time
Exits a mode
Accesses
alarm stack