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3.3
Before each use, it is recommended to lie down on your back
after wearing the C semi-wearable device correctly. Place the C
semi-wearable device against your body and as near the midline
of your body as possible for correct sleeping position detection.
The button on the C semi-wearable device must be pointing at
your head. Press and hold the button for one second; when you
hear two beeps, the C semi-wearable device has done the
horizontal calibration.
3.4
After completing calibration for the C semi-wearable device, you
can now enjoy the smart body-responsive auto-adjustable pillow.
3.5
When you are sleeping on your back, the A pillow will
automatically drop its height; and when you are sleeping on your
