Epson DM-M820, Technical Reference Manual, Page: 102 / 324

4-52 OS and Drivers Rev. I
2. Select Programs - Gunze - U-TP - Calibrate in that order from the Start menu.
3. The calibration screen is displayed and an X mark is displayed in the top left corner of
the screen.
4. Press the X mark’s intersection point on the screen. The X mark will then move to the top
right of the screen.
5. Then press the X mark’s intersection point again. With the default setting, the X mark is
displayed in 4 places: top left, bottom left, top right, bottom right. The calibration point
is set from 2 to 25. As for the setting method, refer to “Touch Panel Driver setting.”
6. The calibration is completed when all the intersection points have been pressed.
Double click tolerance
It is sometimes difficult to perform a double-click with a touch screen because your finger moves
slightly between touches. However, if you increase the double-click tolerance, your double-click
can be recognized correctly.