Revision D 250 Series Maternal/Fetal Monitor B-3
2020551-001
Alarms Summary:
Table B-1. Summary of 250 Series Alarms
Type Condition Visible Advisory Audible Advisory
FHR
An alarm setting (audio or high/low
limit) is turned off.
Alarm Defaults
Audio: on
Volume: 5
Limits: High = 160 bpm, Low = 120
bpm
displays to the left of the
FHR mode title.
—
FHR limit (high or low) actively being
violated.
or
Unsilenced, resolved FHR limit
violation (the limit was violated but
the FHR has since returned to the
normal range before clinical
acknowledgement).
For continuous limit violations: a high
alarm activates after 5 minutes; a
low alarm activates after 30
seconds.
About Latching Alarms: The FHR
limit alarms
are latching alarms
which means that a clinician must
acknowledge the alarm using the
monitor’s Alarm Silence button in
order to clear the alarm.
FHR numeric flashes. Alternating high/low tones (if
audio enabled).
Inadequate FHR signal quality. Flashing dashes “– – –” in place
of FHR numeric.
Alternating high/low tones (if
audio enabled).
NIBP Systolic, diastolic, or MAP pressure
value (high or low) actively being
violated.
NIBP numeric (systolic, diastolic,
or MAP) flashes.
Alternating high/low tones (if
audio enabled).
Malfunction with NIBP circuitry, cuff,
or air hoses.
CHECK CUFF, LEAK, COMM,
MOTION, WEAK SIGNAL, or
REPAIR message displays in
NIBP area.
Alternating high/low tones (if
audio enabled).
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