Operator Control and Display Panel

10.6Navigation Keys

The navigation keys on the front panel—F1 through F4 and Help—are used to access the LCD to view the current status and other information about the Liebert® NX.

Navigation key icons on the LCD appear above each key to indicate its operation (see Table 29). The keys are “soft keys” that can change functions according to the icon.

Use F1 either to move to a different portion of the LCD (Shift icon) or to escape to a previous view (ESC icon).

Use F2 and F3 as cursor keys to move left and right or up and down, depending on the icons dis- played above the keys.

Use F4 as an Enter key to confirm a choice.

Use HELP to access help information on the LCD.

Table 29 Icons for navigation keys

Key

 

 

 

 

F1

F2

F3

F4

 

HELP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Functions

 

Shift

Left

Right

 

 

 

 

 

?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Available

ESC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Enter

 

Help

 

 

Exit

Up

Down

 

 

 

 

 

 

 

 

10.7UPS System Information

The UPS system information displayed at the top of the LCD is detailed in Table 30.

Table 30 Description of items in UPS system window

Item Type

Explanation

Liebert NX

UPS name

2007-10-12

Current date

12:30:36

Current time

080kVA-3x3

080 means UPS model is 80kVA;

3x3 means 3 by 3 system (three-phase input and three-phase output)

 

Unit #1

#1 of 6 Paralleled changed to “Unit #1”

Single

UPS is configured as a single unit system running in Normal mode

Normal

UPS in normal operation, inverter powering load, no warnings

Warning

UPS has a general alarm

Fault

UPS has a serious fault

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Emerson 40-200KVA user manual Navigation Keys, UPS System Information, Icons for navigation keys