35
9
Touch Screen Calibration
Keep pressed the
ON/OFF
button on OKO TOUCH for 7 seconds to start the Touch Screen Calibration (see
Figure 54). While holding the button, the pop-up message shown in Figure 55 a appears. Then tap blue calibration
dots until the calibration is complete (see Figure 55 b).
Figure 54. How to enter in Touch Screen Calibration.
a
b
Figure 55. Start Touch Screen Calibration (a
–
b).