For Optimal Performance From The Stylus Pen - Wetif RMI80-D User Manual

The Instructions Manual

For Optimal Performance from the Stylus Pen

Hold the stylus pen in the same way that you would hold a pen or pencil when
writing on paper.
Hold the computer securely when mobile and using the stylus pen.
Lift and tap the stylus pen quickly between double taps. Avoid using the stylus
pen to push the computer buttons.
For the most reliable operations, hold the stylus pen and tap vertically,
perpendicular to the LCD display.
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