Curtis GPD430 Mode D'emploi page 16

7. Tap the "System" button to enter into the System Info settings as follows:
Tap the "USB" to set the USB working mode.
You can calibrate the touch screen if it does not respond accurately to your stylus taps.
Tap the Calibration button on the System info. Screen.
a)
Tap to the calibration indicated on the screen as shown below.
b)
Tap and hold at the center of the target.
c)
When the target moves to another position, tap and hold at the center of the new
d)
target.
Repeat each time to complete the calibration process. When completed, tap screen
e)
to return to the Settings screen.
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