▣ LAMP
- POWER: If it is switched on, the lamp will be turned on green.
- ALARM: If the alarm is on, the lamp will be turned on red.
- RECORD: During printing, the lamp will be turned on green.
- ♥(Heart Rhythm): The lamp will be turned on and off green when the signal is stable
according to heart beat and red when it is unstable.
3) FHR Measurement
To measure FHR (Fetal Heart Rate), use an ultrasonic Doppler effect to catch the fetal heart
beat, and then compute the real-time heart rate per minute to record. To minimize the reduction
of ultrasonic waves in the air, apply a sufficient amount of ultrasonic gel on the surface of
Doppler Probe to eliminate its air layer.
▣ Connection of the Probe
Connect the Doppler Probe to the “DOP” terminal at its right side.
▣ Basic Action According to the Connection of the Doppler Probe
If the Doppler Probe is not connected to the main body, there is no indication at the FHR
indication section. If the Doppler Probe is connected to the main body, on the FHR indication
section appears “---“ which indicates that the preparation for measurement has been finished. If
probe is disconnected from the main body, a warning signal of “Ding-dong~♬”is made. This
signal disappears when the Probe is connected again or any of keys on the operation panel is
pressed.
▣ FHR Measurement
① Put the belt to fix the Doppler Probe beneath the waist of a pregnant woman.
② Apply a sufficient amount of ultrasonic gel on the Doppler Probe to remove bubbles between
her abdomen and the surface of Doppler Probe.
③ Feel her abdomen and find the back part of a fetus to put the Doppler Probe on. When the
fetus is in a lateral positin, put the Probe on the part as follows:
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