Emerson Liebert APS - Default Screen;Screen Saver; LCD Screen Views; AC Mains Screen; Figure 55 Default Screen;Screen Saver

Operation and Display Panel
Liebert
®
APS
™
50
4.2.3 Default Screen/Screen Saver
During the UPS operating process, if there are no active alarms, the LCD will go into a screen saver
mode after 2 minutes of no user navigation activity. The default screen saver is shown in Figure 55.
After a brief delay, the LCD backlight will also turn Off. Pressing any button will return to the
original screen.
Figure 55 Default screen/screen saver
4.3 LCD Screen Views
This section gives a detailed description of each display screen and its contents. The default “main
screen” is the Output menu and its data. The navigation indicated for each screen below is in
reference to the Output screen.
4.3.1 AC Mains Screen
From the main screen, press the F3 button twice, until the AC mains screen is displayed, as shown in
Figure 56.
Figure 56 Mains screen
The AC mains screen displays the input L-N voltage, L-N current, input frequency, L-L voltage,
apparent power and power factor of three phases (L1, L2, L3).