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NOTE:
The monitor detects the transducers automatically. If no US transducer or DECG cable is
connected to the US2 socket, the US2 numeric area is not displayed. However, if they are
unplugged midway, the monitor gives alarm for the disconnection. At this time, press the
START key
to let the monitor check the transducer connection again.
8.4 Alarm Messages
This table lists the alarm information that might appear during fetal monitoring, their respective
causes and countermeasures.
Alarm Message
Patient Alarm (Medium Level)
**FHR1 HIGH or
** FHR1 xxx > yyy,
**FHR2 HIGH or
** FHR2 xxx > yyy
**FHR1 LOW or
** FHR1 xxx < yyy,
**FHR2 LOW or
** FHR2 xxx < yyy
Technical Alarm (Medium Level)
**Battery Low
TOCO or IUP measurement numeric display area.
If the TOCO socket is not connected with a transducer/catheter, nothing
displays here.
If the TOCO socket is connected with a transducer/catheter, it displays the
value.
FHR2 or DFHR measurement numeric display area.
If the transducer/cable is connected but no monitoring is going on, it
displays ---.
MFM count display area.
Cause
FHR1 or FHR2 measuring result
(xxx) is higher than the set high
alarm limit (yyy) over the alarm
delay time.
FHR1 or FHR2 measuring result
(xxx) is lower than the set low
alarm limit (yyy) over the alarm
delay time.
The battery power is too low to
support further work of the
monitor.
Chapter 8: Understanding Measurement Results
Countermeasure
Check if the alarm limits are suitable;
check the patient's condition.
Check if the alarm limits are suitable;
check the patient's condition.
Connect the monitor to AC power
supply.
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