1. Device operation
1.1. Finger Placement
Recommended fingers: The index finger, middle finger or the ring finger; the thumb and
pinkie finger are not recommended (since they often present more difficulties to be
recognized).
The finger is flat to the surface and centered in fingered guide.
1.2. How to use touch screen
Use finger pulps slid or click the touch screen. The fingertip and fingernail may affect the
using of touch screen.
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