Acer Smart Touch Kit II User Manual page 18

Gesture settings:
Start All Windows Gesture: refers to the switcher of Windows Gesture.
Palm in multiples of spot (3~7): refers to the sensitivity of palm gesture. The
lower the value is, the better the sensitivity is.
Start All GLBoard Gesture: refers to the switcher of GLBoard gesture.
Eraser in multiples of spot (3~7): refers to the sensitivity of palm eraser
gesture. The lower the value is, the better the sensitivity is.
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