User`s manual

Access the callibration screen
at any time by simultaneously
pressing the Func and ESC key.
Use a stylus to tap a sequence of target marks
on the RH767’s screen. Firmly hold the stylus
on top of the target mark for a moment, and
then remove. Continue to tap the target mark
as it stops along the corners of the screen.
Press Enter to conrm the calibration or press
ESC to cancel.
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Func Key
ESC Key