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Vertiv I Liebert LPC I User Manual
4 Controller
The Liebert LPC models uses a PACC controller which has a simple user interface. It has an
easy-to-operate menu structure.
4.1
Display
The display board uses a 240x128 dot-matrix backlight LCD which has a blue-colored
interface, which displays clear texts and graphics on the panel. A color display option is too
available as an enhanced feature.
4.2
Control Keys
Figure 4-1 Controller
Table 4.1
Key Function Description
On/Off Press this key to Switch on or Switch off the controller
ESC
This key has several functions, namely –
•
Press this key to quit the current menu and hop to the previous menu
•
Press this key to discard changes
•
Holding this key will display the help menu along with info such as the maximum,
minimum or default values along with a brief description of the same
Press this key to mute the audio alarm
Up
This key has several functions, namely -
Press this key to move the cursor upwards
•
Press this key to increase the value of the displayed parameter
Press this key to move up on multi-screen displays
Down
This key has several functions, namely –
Press this key to move the cursor downwards
•
Press this key to decrease the value of the displayed parameter
•
Press this key to scroll downwards on multi-screen displays
Enter
•
Press this key to move to the next menu
•
Press this key to save the settings after change in the parameters or values