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Operation And Display Panel
5.1.3 Control Buttons
The operation and display panel provides five control buttons, the functions of which are described in Table 5-3.
Control button
EPO switch
Inverter on
Inverter off
Fault recovery on/off
Alarm sound silence on/off
5.1.4 LCD And Menu Buttons
The operation and display panel is composed of an LCD and five menu buttons (F1, F2, F3, F4, HELP). Table 5-4 gives the menu
buttons function description.
LCD provides you with the user-friendly interface and the 320 × 240 dot matrix image display. The menu-driven LCD allows
you to easily browse through the input, output, load and battery parameters, learn about the current UPS status and alarm
message, perform functional setting and control operation. The LCD also stores up to 512 historical alarm records that can be
retrieved for reference and diagnosis.
5.2 LCD Screen Types
5.2.1 Start Screen
Upon UPS start, the UPS executes the system self-test, and the start screen will appear and remain about 15 seconds, as
shown in Figure 5-2.
44
Table 5-3 Description of control buttons
Silk print
Used to disconnect the load power and close the rectifier, inverter, static bypass
EPO
and battery
ON
Used to start the inverter
OFF
Used to stop the inverter
FAULT CLEAR
Restore the UPS function (clear fault in advance)
When an audible alarm is active, press this button to silence the audible alarm.
ALARM CLEAR
Press this button again can restart the buzzer
Table 5-4 Menu buttons function description
Button
F1
Function 1
HOME
Function 2
F1
Figure 5-2 Start screen
F2
F3
ESC
Escape
Left
Up
F2
F3
F4
HELP
User Manual 10H52188UM60 - Rev. 2 - 09/2012
Description
F4
HELP
Right
Enter
Down
Liebert NXC
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