Lenovo IdeaCentre B510 User Manual page 11

2. Air Mouse Calibration
If the mouse cursor moves on the All-In-One PC screen while the mouse remains
still in the air mouse mode, then you need to calibrate the air mouse.
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Lenovo 3 in 1 Mouse User Manual
Prop up the front end using
some object or turn over the
mouse and place it on the
table still.
Do not block the optical
light at the bottom of
the mouse by any
object.
The mouse will start auto
calibration and can be used
normally 20 seconds later
when completed.
When the mouse is
turned over, the auto
calibration may last
slightly longer than 20
seconds probably due
to the indoor lighting.