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Fetus Camera Model M1
the heat dissipation hole, gently pick them out with a cotton swab or
toothpick.
Cleaning precautions:
Do not spray liquid directly onto the camera to prevent liquid
from entering the inside of the camera;
Do not wipe the bottom sensor with alcohol, bleach, ammonium
chloride mixture, hydrogen peroxide, etc.
Do not touch solutions or couplants containing mineral oil or
lanolin;
If you accidentally spill liquid into the heat dissipation hole, use
an air blower to blow dry (with cold air).
