10 - 2 BeneVision N Series Patient Monitor Operator’s Manual
10.3.2 Alarm Priorities
By severity, the alarms are classified into the following priority levels:
■ High priority alarms: indicates a life threatening situation or a severe device malfunction. High priority
alarms require an immediate response.
■ Medium priority alarms: indicates abnormal vital signs or a device malfunction. Medium priority alarms
require a prompt response.
■ Low priority alarms: indicates a discomfort condition, a device malfunction, or an improper operation. Low
priority alarms require you to be aware of this condition.
■ Messages: provides additional information on the patient or the equipment.
10.3.3 Alarm Indicators
When an alarm occurs, the monitor indicates it to you through visual or audible alarm indications. For more
information, see the following table.
• When multiple alarms of different priority levels occur simultaneously, the monitor select the alarm
of the highest priority to light the alarm lamp and issue the alarm tone.
• When multiple technical alarms of different priority levels occur simultaneously and should be
displayed in the same area, the monitor only displays the messages of the highest priority alarm.
• When multiple physiological alarms of different priority levels occur simultaneously and should be
displayed in the same area, the monitor displays the high priority alarm, while the medium and low
priority alarms are displayed circularly.
• When multiple alarms of the same priority levels occur simultaneously and should be displayed in
the same area, all the alarm messages are displayed circularly.
Alarm Indicator High Priority
Alarm
Medium
Priority Alarm
Low Priority
Alarm
Message Comments
Alarm lamp Red
Flashing
frequency: 1.4 -
2.8 Hz
Duty ratio: 20 -
60%
Yellow
Flashing
frequency: 0.4 -
0.8 Hz
Duty ratio: 20 -
60%
Cyan
No flashing
Duty ratio:
100%
None None
Audible
tone
pattern
ISO Repeat pattern
of 2 × 5 beep
tones
Repeat pattern
of 3-beep tones
1-beep tone None None
Mode 1 Repeat pattern
of high-pitched
3-beep tones
Repeat pattern
of 2-beep tones
Low-pitched 1-
beep tone
None
Mode 2 Repeat pattern
of high-pitched
3-beep tones
Repeat pattern
of 2-beep tones
Low-pitched 1-
beep tone
None
Alarm message White text
inside a red box
Black text inside
a yellow box
Black text inside
a cyan box
White
text
Alarm messages are
displayed in the alarm
information area at the
top of the screen. You
can select the alarm
messages to show the
alarm list.
Alarm priority
indicator
*** ** * None The indicator shows in
front of corresponding
alarm message.
Parameter value White text
inside a flashing
red box
Black text inside
a flashing
yellow box
Black text
inside a flashing
cyan box
None None
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