Mitsubishi Electric GOT SIMPLE Series Operation Manual page 230

Touch panel calibration operation
Touch [+] displayed on the screen with the finger one by one to make the setting.
24 DISPLAY AND OPERATION SETTINGS (GOT SET UP)
228
24.2 Operation Setting (Settings for Operation)
1.
Touch the center of [+] displayed on the upper left precisely.
2.
Touch [+] displayed on the lower left.
3.
Touch [+] displayed on the upper right.
4.
Touch [+] displayed on the lower right.
5.
When the precise touch could not be made, touch the [YES]
button to make the setting from Step1 again.