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F6 and F6 Express Fetal & Maternal Monitor User Manual
Chapter 4 Alarms
4.1 Alarm Classification
The monitor has two types of alarm: patient alarm and technical alarm.
Patient alarms indicate the situation of vital sign exceeding its configured limit. They can be
disabled. The adjustable alarm limits determine the conditions that trigger the alarm.
Technical alarms indicate that the monitor can not measure and therefore can not detect critical
patient conditions reliably. They cannot be disabled.
In terms of severity, the alarms are divided into three levels: high, medium and low. High level
alarm indicates the condition where the patient's life is endangered; it is a severe warning, labeled
with the symbol ***; Medium level alarm is a moderate warning, labeled with the symbol **;
low level alarm is a general warning.
The high level alarms have highest priority, and the medium level alarms take the second place. If
more than one type of alarms is active at the same time, the monitor sounds an audible indicator
for the higher level alarms.
The alarm levels are preset, and you can not change them.
4.2 Audible Alarm
If the audible alarm is not disabled, the alarm indicator displays
the monitor gives out a sound. (The sound pressure range is 45dB ~ 85dB.)
High level alarm: a "Do" tone is repeated three times, and then pauses for 3 seconds.
Medium level alarm: a "Do" tone is repeated three times, and then pauses for 4 seconds.
Low level alarm: a "Do" tone is issued, and then pauses for 20 seconds.
Press the SILENCE key, the current audible alarm toggles between on and off (temporarily or
infinitely, you can change the setting).
If the current audible alarm is temporarily disabled, the alarm indicator displays
remaining time on the right. When the time is out, or when other alarms present, the monitor
enables the audible alarm automatically.
If the current audible alarm is infinitely disabled, the alarm indicator displays
The audible alarm is enabled again when the SILENCE key is pressed, or when other alarms
present.
During the silence period, the alarm messages are displayed and the alarm indicator lights up as
usual. You can press the SILENCE key again to enable the audio alarm.
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Alarms
. When an alarm is active,
, with a
(flashing).
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