VT-HM I-5071374.3.8 Notice of Touch Screen in Linux4.3.8.1 Touch Screen CalibrationTo get better touch control precision, it is needed tocalibrate befor e using the touch screen, generally get elec trified onequipment for the first time. The program prompts for automaticcalibration if the touch screen is not calibrated. The systemautoma tically saves calibration parameter after the calibration.Two methods for stepping into the “calibration” interface are listedbelow if fur ther calibration is needed:a) select “Start\Recalibration” command from the menu to step into“calibration” interface.b) tap “Stylus” icon in “ s etting” bar to step into “ calibration”interface.