Mitsubishi Electric GOT SIMPLE GS2110-WTBD User Manual page 256

■3. Touch panel calibration operation
Touch [+] displayed on the screen with the finger one by one to make the setting.
17 - 2
17.1 Touch Panel Calibration
Step 1.
Touch the center of [+] displayed on
the upper left precisely.
Step 2.
Touch [+] displayed on the upper left.
Step 3.
Touch [+] displayed on the upper right.
Step 4.
Touch [+] displayed on the lower right.
Step 5.
When the precise touch could not be
made, touch the [YES] button to make
the setting from Step1 again.