Mallinckrodt INOmax DSIR Plus MRI Operation Manual page 95

• Any alarm setpoint adjustments made will not be maintained when system power is
Caution:
cycled.
• Default values will be used following a complete power loss (no AC main power and
depleted battery).
General alarm information
A listing of alarm messages is provided at the end of
this section.
All alarms have audible tones and visual messages.
In the event of a total power failure or a main
alarm speaker failure, a secondary audible alarm
circuit activates, providing a continuous buzzing
tone that cannot be silenced (see page 4-1,
"Continuous Audible Tone").
Status information will not be displayed
Note:
during alarm conditions. Once the alarm
clears the status information will be
displayed.
High and low-priority alarms
The INOmax DS Plus MRI has both high and low-alarm
IR
priorities.
High-priority alarms are accompanied with a red
flashing Alarm Silence button.
Low-priority alarm conditions will display a continuous
yellow Alarm Silence button.
High and low-priority alarm messages are displayed
in fields one and two (see Figure 4-1) with the most
recent message shown in field one.
Field 2 is used for status information such as
"Running on Battery" and "Patient Info. Incomplete".
Field 1
Field 2
Figure 4-1 Text Message Area Showing Fields
one and two.
The following table provides the audible alarm tone
information for high and low-priority alarms.
Frequency Description
High
400 Hz 10-pulse group
Priority
Low
400 Hz 1 pulse
Priority
Part No. 20568 Rev-02
2015-08
Alarm silencing
Pushing the Alarm Silence button
will silence high-priority alarms for
120 seconds (time will count down
to zero). When a new alarm condition occurs, the
audible alarm becomes active again.
A low-priority alarm event is permanently silenced
when the Alarm Silence button is pressed. When a
new low-alarm condition occurs, the audible alarm
becomes active again.
Alarm messages remain displayed during the
alarm silence period as long as the alarm condition
is active.
1. Alarm Silence Button
2. Alarm Help Button
3. Violated Monitored Value Limit
Figure 4-2 Alarm Active Screen
Comment
To activate on-screen alarm help, press
Repeats after 10 sec.
the Alarm Help Button next to the Alarm
if not silenced.
Silence button.
Repeats after 40 sec.
if not silenced.
1 2
3
4-13