User's Manual

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2. Shut down the equipment and take out batteries.
3. Clean the silica gel (inside face of the Pulse Oximeter, that can be contacted by finger when normal use) by
wetting a small piece of cloth with isopropyl alcohol---75% medical alcohol.
4. Then to dry the Pulse Oximeter with a dry, soft cloth.
6.2 Maintenance
The design life of the product is 3 years. Please maintain the equipment as follows:
1. Clean and disinfect the equipment according to this instruction before using.
2. Replace batteries in time when the low battery indicator appears.
3. Take out batteries if the equipment will not be used for a long time.
4. The equipment shall be stored indoor, with temperature at - 20 ~ + 60 ℃ (-4 ~ 140℉), relative humidity no
higher than 95%, free of corrosive gas and good ventilation. Moisture and light may affect the service life of the
equipment, and even cause equipment damaged.
6.3 Troubleshooting
Only professional maintenance personnel is allowed to disassembled the Pulse Oximeter. There are no parts
inside the equipment to be adjusted.
Malfunction
Possible Cause
Solution
Unable to turn
on the
equipment
Low or dead battery
Replace batteries
No install batteries correctly
Install batteries correctly and ensure correct
polarity
Equipment is damaged
Contact the local customer service center
Blood oxygen
saturation or
pulse rate fail to
display
Not insert fingers correctly
Put fingers correctly
The patient’s finger are too thin, resulting in
light leakage.
Put a thicker finger
The patient’s finger is cold so that the blood
perfusion is too low.
Keep the finger warm and put another finger
for measurement.
nail polish or manicure
Remove nail polish or manicure
Unstable
display of blood
oxygen
saturation or
pulse rate
No insert finger deep enough
Put the finger correctly
Movement interfaces signal
Stay still
LED goes out
suddenly
The product is designed to shut down
automatically when no signs is detected.
Normal
Low battery
Replace battery