3. As you touch each plus sign, the next appears and waits for you to touch it.
After you touch the last sign (upper right), the message in the center of the screen prompts you to
confirm the correct completion of the calibration, or to try again.
4. Press EX3 on the side of the operation panel to confirm and return to the Self Check menu.
-or-
Press EX1 to do the 5-point calibration again.
Multi Touch Calibration
Calibrate the touch panel for multiple tap entry such as "pinch-in" and "pinch-out".
LCD, Touch Screen Check and Calibration
999