25
if the SpO
2
value significantly decreases, it means
that the SpO
2
reading truly reflects the
physiological condition change.
7. Q: When to replace the batteries?
A: The icon of low battery will appear on the
screen when the battery voltages are low. By then,
batteries need to be replaced.
8. Q: What to do if the Oximeter is moistened or
sprayed by water?
A: Remove the batteries immediately and dry
the Oximeter completely with a hair dryer.
9. Q: What factors will affect the SpO
2
accuracy?
A: a) Intravascular dyes such as indocyanine
green or methylene blue;
b) Exposure to excessive illumination, such as
surgical lamps, bilirubin lamps, fluorescent lights,