deviation to left or right with different fetus. Pls. make sure that the surface
of probe should be contacted fully with the skin. After the sound become
clear and stays stable for a few seconds, the FHR value will appear on the
LCD in real time. If no coupling gel, water can be used.
Note: abnormal value of FHR may appear during the searching of fetal
heart.
5.4 Replace the batteries
When the batteries are low, Battery Indicator will flicker. You have to shut
down the doppler to replace batteries .
Section 6: Maintenance and Services
6.1 Cleaning
Listed below are recommendations for cleaning the product and its
accessories.
Recommended cleaning product:
The following cleaning products may be used to clean the exterior surfaces
of the product as well as the batteries.
●
Isopropyl alcohol (70% solution in water)