Mitsubishi Electric GOT SIMPLE GS2110-WTBD User Manual page 258

■3. Touch panel check operations
If touch [Panel check] of self-check, a black-filled screen is displayed over the entire screen area.
Black-filled screen
17 - 4
17.2 Touch Panel Check
Yellow
color
POINT POINT POINT
Checking the upper left part of the screen
Only the upper left part of the screen cannot be filled with yellow.
If the screen returns to the self-check by touching the upper left part, judge that the upper left
area operates normally.
Step 1.
Touch a part of the screen.
The touched part becomes a yellow-
filled display. Up to 40 parts becomes
yellow-filled displays.
Step 2.
If [ ] on the upper right is touched, the
screen returns to the self-check.