ETen G500+ User Manual page 36

The following steps will bring you into the touch screen calibration
mode. These steps provide a faster and more efficacious way to enter the
touch screen calibration mode. And they also provide a method of getting
into Screen program for when the touch screen dislocation is so severe that
you completely cannot select or do anything using the stylus.
1. Simultaneously press the Left Soft-Key on the bottom-left of the Pocket
PC and the round execution button in the center of the navigation pad.
2. Release these two buttons at the same time, and you will enter the
calibration screen.
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