48 Installation Guide APC Silcon 10-40kW 400V UPS
990-4050
Programming Parameters
5.1.2 Programming Example - Switch to Bypass Operation
Return to normal operation
Follow same procedure to program other parameters.

5.2 System Configuration

System configuration parameters are vital for correct system operation and are password-
protected.
NOTICE!
Do not leave in by-pass mode for extended periods in order not to affect battery capacity.
CAUTION!
Incorrect programming may damage battery or cause output voltage to be lost during operation!