Alarms
74
Instructions for Use Infinity Acute Care System - Monitoring Applications SW VG1
Latching and Non-Latching Alarm Behaviour
When an alarm condition no longer exists, the
associated audible and visual alarm signals behave
in one of two ways:
– The alarm signals automatical
ly stop when the
alarm condition ceases to exist. This type of
alarm is called a non-latching alarm condition.
– The alarm signals continue until you
acknowledge the alarm even though the alarm
condition has ceased to exist. This type of alarm
is called a latching alarm condition.
In general, high-priority alarms are latching alarm
conditions while low-priority alarm conditions are
non-latching. Exceptions to this alarm behaviour
are listed on page 80.
The alarm priority of a latching alarm condition
determines how the alarm signals behave after the
alarm condition ceases to exist:
– A latched alarm condition of high priority is
identified by the standard audible and visual
alarm signals (see "Visual Alarm Signals"
on page 76).
– A latched alarm condition of medium priority is
downgraded to a status message which
appears in the header bar. The alarm header
does not flash, and there are no audible alarm
signals.
To acknowledge a latched alarm condition
Select one of the following two keys:
–The yellow key on the front panel of
the Cockpit
– The key on the front panel of the M540
or
– Select the All alarms off/All alarms paused
button (the name and function of the button
depends on the Cockpit configuration – see
page 286). To access the button, press the
quick-access symbol next to the Alarms...
button on the main-menu bar.
The latched alarm signals are cleared and all
audible and visual latched alarm signals disappear.
Multiple Alarm Conditions
During multiple alarm conditions, the Cockpit and
the M540 report the most recently detected alarm
condition of highest priority. When several alarm
conditions occur simultaneously, the parameter
boxes flash for all alarming parameters. The alarm
condition with the highest priority determines which
audible alarm signal is generated, how the alarm
bar and the parameter box appear, and what alarm
message appears in the header bar.
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