Clear characters from LCD on EV3 brick
Display and Clear Text on the LCD
You can display text near the center of the LCD or at a specific location.
Create a connection to the EV3 brick called
myev3 = legoev3;
Display text on the LCD.
The text appears near the center of the LCD.
Clear the text from the LCD.
Display “X” in the lower-right corner of the LCD.
writeLCD(myev3,'X', 9, 19)