18
play Key to turn on the backlight; if no key is pressed,
the backlight will be off automatically in 6 seconds.
G. Longtime press Display Key during monitoring, display
screen will be shown as gure; “PI” indicates perfusion
index.
H. Alarm Indicator
When measuring, if SpO2 value or pulse rate value exceeds the preset alarm
limit, the device will alarm automatically and the value which exceeds limit on
the screen will ash (refer to Technical Specications for alarm limits).
7. REPAIR AND MAINTENANCE
A. Please change the batteries when the low-voltage indicator lightens.
B. Please clean the surface of the device before using. Wipe the device with
alcohol rst, and then let it dry in air or wipe it dry.
C. Please take out the batteries if the oximeter will not be used for a long time.
D. The best storage environment of the device is -20ºC to 60ºC ambient temper-
ature and 10% to 95% relative humidity.
The life of this device is 5 years.
High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
It is recommended that the device should be kept in a dry environment.
Humidity may reduce the useful life of the device, or even damage it.
Factors affect SpO2 measuring accuracy (interference reason)
- Intravascular dyes such as indocyanine green or methylene blue.
- Exposure to excessive illumination, such as surgical lamps, bilirubin lamps,
uorescent lights, infrared heating lamps, or direct sunlight.
- Vascular dyes or external used color-up product such as nail enamel or color
skin care.
- Excessive patient movement.
- Placement of a sensor on an extremity with a blood pressure cuff, arterial
catheter, or intravascular line.
- Exposure to the chamber with High pressure oxygen.
- There is arterial occlusion proximal to the sensor.
- Blood vessel contraction caused by peripheral vessel hyperkinesias or body
temperature decreasing.
ENGLISH
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General
Weight and Dimensions
