It is necessary to calibrate touch panel at the following times:
When you replace the operation panel.
When you replace the controller board.
When the touch panel detection function does not operate correctly
Do not use items [2] to [9] on the Self-Diagnostic Menu. These items are for design use only.
Press , press "1", "9", "9", "3", then press
5 times to open the Self-Diagnostics menu.
On the touch screen press “Touch Screen Adjust” (or press "1").
Use a pointed (not sharp) tool to press the upper left mark "".
Press the lower right mark when "" shows.
Press [#] OK on the screen (or press ) when you are finished.
Touch [#] Exit on the screen to close the Self-Diagnostic menu. Save the calibration settings.