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13Fetal Heart Rate Alarms
Fetal heart rate (FHR) alerting can give both audible and visual warning of a non-reassuring fetal
condition. Your monitor must be configured to alarm mode
All to enable the FHR alerting (see
“Alarms” on page 63).
Changing Alarm Settings
When you do any of the following actions for any FHR measurement channel, this applies for all active
FHR measurements, both ultrasound and DECG:
• Turning FHR alarms on or off.
• Changing alarm limits.
• Changing alarm delays.
• Changing signal loss delay.
The monitor retains these settings, even when switched off. The alarm limits are printed on the trace
every few pages if alarms are on.
Turning Alarms On or Off
1 Connect either an ultrasound or a DECG transducer to a free socket on the monitor.
2 Enter the Setup Menu for a connected FHR measurement.
3 Select Alarms to toggle between On and Off.
Changing Alarm Limits
1 Connect either an ultrasound or a DECG transducer to a free socket on the monitor.
2 Enter the Setup Menu for a connected FHR measurement.
3 To change the high alarm limit, select High Limit and select the alarm limit from the pop-up list.
4 To change the low alarm limit, select Low Limit and select the alarm limit from the pop-up list.
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