F9 Fetal & Maternal Monitor • User Manual
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Alarm Message
Cause
Countermeasure
Signals Overlap
(FHR1, FHR2)
US transducer 1 and US
transducer 2 are positioned at
the same fetal heart; the signals
overlap.
Adjust one of the US transducers
until another fetal heart signal is
detected.
Signals Overlap
(FHR1, DFHR)
US transducer 1 is positioned at
the fetus that the spiral electrode
is attached to; the signals
overlap.
Adjust the US transducer until
another fetal heart signal is
detected.
DECG LEADS OFF
The spiral electrode is not
securely connected.
Check the connection of the spiral
electrode.
DECG
UNPLUGGED
The DECG lead is not securely
connected to the monitor.
Check the connection of the DECG
cable.
DECG SIGNAL
LOSS
DECG signal is too weak for the
system to analyze.
Check if the spiral electrode is
securely attached to the fetus; check
the patient’s condition.
Содержание F9 Express
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