Xtreme Power Conversion M90S Series User & Installation Manual page 65

M90S-4S User's Manual Uninterruptible Power Supply
information will display. When UPS is operated in Battery mode or Battery Test mode, the backup time will display.
When the front panel is not operated for 2 minutes, the display page will return back to home page.
Press the "UP" or "DOWN" button to enter the operation menu (Refer to 4.2.3).
When it displays home page in LCD, if UPS is in bypass or standby, you could press the "ON/ENTER" button to turn
on the UPS to line / converter / ECO / battery mode according to the setting and input status.
When UPS is turned on, you could press the "OFF/ESC" button to allow UPS to bypass mode or standby.
Xtreme Power Conversion Corporation Page 65