Alarm Buzzer; Lcd And Menu Keys - Liebert UPS System User Manual

5.1.4 Alarm Buzzer

If there is no alarm sound, it means that either the alarm is muted or the system is
not in a fault condition
There are three types of sound from the buzzer
1.Single click - The sound can be heard when any button is pressed
2. 1 sec click with a 2 secs interval - when system has common fault or alarm
3. Continuous alarm – when system has serious faults
Press Mute button to silence alarm.

5.1.5 LCD and Menu Keys

There are four menu keys
1. Menu key
Each key has two functions, and the functions are defined in the following table
2. LCD
The LCD can display alarm information in real time. 220 historical events can be
stored and retrieved.
Chapter 5 Operation of Display Panel
Key
F1
Function 1
Shift
C
Function 1
Exit
Fig. 5-3 Icons of functional keys and the meanings
F2
F3
Up
Down
Right
left
46
F4
OK
m
Modify