Operation and Display Panel
31 Liebert
®
 GXT4
™
Control Screen
Select Main Menu -> 3 CONTROL to enter the CONTROL screen. This screen has three submenus, 
as shown in Figure 33.
Figure 33 Control screen
In the CONTROL screen, press the Up or Down button to move the cursor to the required item, and 
press the Enter button to enter its submenu.
TURN ON & OFF screen
Select Main Menu -> 3 CONTROL -> 1 TURN ON & OFF to enter the TURN ON & OFF screen. 
This screen shows one of two displays, depending on the state of the UPS, as shown in Figure 34.
Figure 34 Turn UPS On or Off screen
ALARM CONTROL screen
Select Main Menu -> 3 CONTROL -> 2 ALARM CONTROL to enter the ALARM CONTROL screen, 
as shown in Figure 35. This section allows active audible alarms to be silenced. To completely turn 
off the audible alarm, refer to CONFIGURATION > UPS as shown in Figure 26
Figure 35 Alarm Control screen
1 TURN ON & OFF
2 ALARM CONTROL
3 BATT TEST
TURN OFF UPS
TURN ON UPS BYPASS
1 AUDIBLE ALARM ON
2 AUDIBLE ALARM OFF