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FHR INSPECTION
1. Before the rst use, please open the battery cover, install two AAA
size batteries.
2. Plug headphone into the audio output socket.
3. Power ON: revolve the On-O / Volume Knob on the left side panel
upwards to power on the equipment, the LCD screen will display
“ - - - ”.
4. Find the position of fetus: At rst, please feel the position of the fetus
by hand. Find out the best direction for inspecting the fetal heart.
Apply a liberal amount of gel to the faceplate of probe; place the
faceplate of probe at the best position for detecting fetal heart. Ad-
just the probe to obtain an optimum audio signal ideally by angling
the probe around. Adjust the volume according to requirements.
Attention: Don’t adjust the knob to a very loud volume when you are trying to
nd the fetal heart position.
5. FHR (fetal heart rate) calculation: the FHR is calculated when the
Doppler detects fetal heart sounds. The fetal heart signal symbol
will then start to icker on the LCD screen. In addition, the heart rate
(number of heart beats per minute) will be displayed on the screen.
6. After operation, revolve down the On-O / Volume Knob on the left
side panel to power o.
7. Use soft cloth to wipe o the gel left on the probe.
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