Page 4/5 Design and Function
3.4 Alarm Light
The measurement evaluation unit is equipped with a red LED “Alarm” to display alarms and
system faults.
The red LED indicates if the alarm thresholds have been exceeded or fallen below or if faults
have occurred (see Section 6.15 „Alarms“).
3.5 Buzzer
The buzzer provides acoustic alarm messages. The alarm sound is interrupted as soon as the
acknowledge button has been pressed, the cause of the alarm or the fault have been eliminat-
ed. The loudness of the buzzer cannot be adjusted.
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