S
S
S
R
R
R
F
F
F
6
6
6
1
1
1
8
8
8
B
B
B
6
6
6
U
U
U
s
s
s
e
e
e
r
r
r
’
’
’
s
s
s
M
M
M
a
a
a
n
n
n
u
u
u
a
a
a
l
l
l
～33～
When disconnecting a transducer, pinch the after body of the transducer plug and pull it out slightly.
NOTE:
Never try to disconnect the transducer by pulling the cable directly.
The fetal heart rate transducer is different from the uterine contraction pressure transducer.
7.5 Placing Transducers in the Holder
In order to protect the transducers, place the not-in-use transducers in the holder. The wired transducers
holder is on the left of the front panel, and the wireless transducers holder is on the right. To place a
transducer into the holder, hold the transducer on the edge, and then place the buckle all the way into one of
the holes on the holder.
NOTE:
In the process of monitoring, the transducer that is placed in the holder may be affected and thereby produces
interfering signals. Therefore, when monitoring a patient, it is recommended to remove or disconnect the
transducer that is not in use.
7.6 Verifying Correct Installation
And now use the following method to test whether the instrument has been installed correctly and able to
work normally:
1) Wet your hand or dip a little bit of water with your hand and gently slide on the detecting surface of the
FHR transducer, then you will hear the Doppler sound issued by the instrument. If the sound is not loud
enough, you can improve it by means of increasing the sound volume, adding a little more water,
speeding up the speed of relative movement between your hand and the transducer, or fully getting in
touch with the detecting surface of the transducer.
NOTE: Please never apply too much force on the FHR transducer so as to prevent the instrument from
damaging.
2) A few minutes later the monitor will start to display the detected data. Now gently and periodically
(approximately 120BPM) touch the surface of the FHR transducer. If a Doppler sound can be heard, this
instrument should be able to detect the data of this simulated fetal heart rate.
3) Gently press the measured area of the TOCO transducer, the instrument should be able to detect the data
of this simulated uterine contraction pressure. The range of weight measured is 0~1000g, the
corresponding range of digital display is 0~100%, and the range of curve display is 0~100%. If the
pressure exceeds 1000g, saturation will occur: Corresponding digital display will be always 100%, and
curve display will be always100% too.
NOTE: Please never apply too much force on the uterine contraction pressure transducer so as to prevent the
instrument from damaging. And never let the uterine contraction pressure transducer contact with water or
ultrasound jelly or the circuit inside the transducer might be damaged.
4) Press the fetal movement marker once, the instrument should be able to detect this simulated fetal
movement signal.
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