User's Manual

◆ Touch Panel Calibration
When there are offset and invalid tap on the touch panel, please press
and hold the “ESC” key for 3 seconds to log into the interface of the
Touch Panel Calibration, tap the center of the “Cross” indicated by
the red circle one time, the screen will display "Calibration
Successful" message when it is OK, see the figures below
◆Selection of USB mode