Operation Manual

3 IS20 Alarm system
3.1 Alarm indication
The alarm system in the IS20 analog instruments is
activated if any alarm settings are exceeded. Refer to
Alarm setup, page 45.
When an alarm is activated, the alarm will be indicated
with an alarm ID and with an audible alarm.
The different alarm indications are shown in the table
below.
Alarm type Sound Light
Vital alarm Constant
Important alarm
Switching
on/off
Standard alarm
Alternating between 2 tones
Warning Single beep
Light warning Single beep
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