Xtreme Power Conversion Corporation
M90S-4S User’s Manual
Page 22
Uninterruptible Power Supply
4
Function Keys
here are four function keys in the UPS module. They can control and monitor the
single UPS module. Please refer to function key table for the details.
5
LED indicators
There are four LED indicators to show UPS working status. Please refer to LED indi-
cator table for the details.
Power Module Interface Display
3.2.1 Power Module Function Key Descriptions
Control key
Press this button to turn on the UPS.
Or press it to confirm the selection in the menu.
Off/ENTER
Press this button to turn on the UPS.
Or press it to confirm the selection in the menu.
OFF/ESC
Press this button to turn off the UPS.
Or press it to return to the last menu.
UP
Press this button to select the previous item in the menu.
Or press this button to jump to previous page in the screen.
Or press this button to increase the number in the setting.
DOWN
Press this button to select the next item in the menu.
Or press this button to jump to next page in the screen.
Or press this button to decrease the number in the setting.
UP + DOWN
To allow LCD display to rotate 90 automatically, press these two
buttons at the same time. This operation is used to configure the
UPS in rack or tower display.
3.2.2 LED indicators for Power module
LED
BYPASS
LINE
BATTERY
ALARM
Mode
UPS Power On
●
●
●
●
Standby mode
○
○
○
○
Bypass mode
●
○
○
○