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3Alarms Testing Alarms
52
Alarm Latching Behavior
All INOPs except DISCONNECT and UNPLUGGED INOPs from measurement servers and modules
are non-latching. See “Yellow Arrhythmia Alarms” on page 113 for information on short yellow
arrhythmia alarms latching behavior.
Testing Alarms
When you switch the monitor on, a selftest is started. You must check that the alarms lamps light, one
after the other, and that you hear a single tone. This indicates that the visible and audible alarm
indicators are functioning correctly. For further testing of indidual measurement alarms, perform the
measurement on yourself (for example SpO
2
or CO
2
) or use a simulator. Adjust alarm limits and check
that appropriate alarm behavior is observed.
Alarm Behavior at On/Off
When you switch alarms on, the settings defined in the currently active Profile are used.
If the monitor is switched off for longer than one minute and then switched on again, or after a loss of
power lasting longer than one minute, or when a patient is discharged, the monitor can be configured
to restore either the alarm settings from the monitor's configured default Profile, or the most recently
used alarm settings. After any of these situations, you should check that the alarm settings are
appropriate for your patient, and if necessary, select the correct Profile and patient category.
If power is lost for less than one minute, the alarm settings prior to the power loss are restored.
Red and Yellow Measurement
Alarms
Non-latching
alarms
Visual and audible
latching
Visual latching,
audible non-latching
Alarm has not been
acknowledged.
Alarm condition
still present.
Alarm tone on. Alarm lamp on. Alarm message. Flashing numerics.
Alarm condition
no longer present.
All audible and visual
alarm indicators
automatically stop.
Alarm tone on.
Alarm lamp on.
Alarm message.
Flashing numerics.
Alarm message. Flashing
numerics.
Audible alarm indicators
automatically stop.
Alarm has been
acknowledged.
Alarm condition
still present.
Audible alarm acknowledged. Alarm lamp off. Alarm message. Flashing
numerics. Audible alarm reminder (if configured).
Alarm condition
no longer present.
Audible and visual alarm indicators automatically stop.