Instruction Manual

1.4 Before Operating
A. Before use check and confirm that the user’s finger size is appropriate
B. Before use check and confirm that the environment contains only
non-combustible material, and avoid high or low temperature and
humidity. Pay attention to the following:
a) Avoid glare and exposure to direct sunlight.
b) Avoid infrared radiation or ultraviolet radiation.
c) Avoid contact with the organic solvent, mist, dust, corrosive gas.
C. The equipment should not be used on the hand of an arm tied with
an arterial canal, when using a blood pressure cuff or when receiving
an intravenous injection.
D. The equipment may not work normally on microcirculation barrier
patients. Warming or rubbing the finger, or re-positioning the equip-
ment could improve the measurement.
E. The patient should not use enamel or other makeup.
F. Avoid inserting a wet finger into the probe.
Notes:
A. The user should fully insert the finger into the probe.
B. It is recommended to let the LED light shine directly on the nail
(Figure 4).
C. Don’t shake finger. Try to keep still during the measurement.