41
10
Touch Screen Calibration
Keep pressed the
ON/OFF
button on OKO TOUCH for 7 seconds to start the Touch Screen Calibration (see
Figure 71). While holding the button, the pop-up message shown in Figure 72 a appears. Then tap blue calibration
dots until the calibration is complete (see Figure 72 b).
Figure 71. How to enter in Touch Screen Calibration.
a
b
Figure 72. Start Touch Screen Calibration (a
–
b).
