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Operation quick guide
This device is intended for noninvasive spot-checking your blood oxygen saturation levels and pulse rate.
1. Install two AAA batteries into the battery compartment
according to the indicated polarity + /-.
2. Insert one of your finger into the finger chamber. Finger
should also be inserted completely into the chamber.
3. Turn the device on by pressing the Power button.
4. Read the Oxygen Saturation Level and Pulse
Rate from the LED Screen after a few seconds.
5.Turn ON/OFF the beep Long press the power
button for 3 seconds to turn ON/OFF the beep sound.
The device will automatically shut down for longer than 16
seconds after finger is removed from the chamber.
* Please refer to the manual for detailed operation of the
Display Switching & Parameter Setting.
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