After clearing the memory, or if the touch panel detection function is not working correctly, follow this procedure to calibrate the touch screen.
- Do not attempt to use items [2] to [5] and [7] to [9] on the Self-Diagnostic Menu. These items are for design use only.
- Plug in the AC power cord, and then turn on the main power switch.
- Press the [Simple Screen] key 4 times, press the [Suspend] key, and press the [Simple Screen] key 4 times to display "Self Diagnostic Menu".
- Press [[1] Touch Screen Adjust].
- Use a pointed (not sharp!) tool to press the mark (+) at the upper left of the screen.
- Press in order the lower right, lower left, middle, and upper right of the screen (+).
- Press [[#] OK] to return the “Self Diagnostic Menu”.
- Press [[6] Touch Screen Test].
- Press the 9 points and confirm that each value is within ±5 dots.
- Press [[#] OK] to return the “Self Diagnostic Menu”.
- Press [[#] Exit] on the screen to save.