Matrix Orbital LCD0821 Legacy - Manual (Page 25)

LCD0821 rev 2 25
6.6 Miscellaneous Commands
Table 6-3 Miscellaneous Commands
Command Syntax Default Notes
Clear display FE 58
254 88
254 'X' n/a Clears screen of text and graphics, places text
cursor at top left.
Set contrast FE 50 [contrast]
254 80 [contrast]
254 'P' [contrast] 0x80
128 Sets display contrast. Compensates for
viewing angle. Contrast is a value between 0
and 255 (hex 0 to FF). Larger = darker.
Backlight on FE 42 [minutes]
254 66 [minutes]
254 'B' [minutes] on
Backlight will stay on for [minutes]. If [minutes]
= 0 backlight will stay on permanently.
Backlight off FE 46
254 70
254 'F' on
Turns off backlight.
General purpose
output on FE 56
254 86
254 'V' off Turns the general purpose output OFF.
General purpose
output off FE 57
254 87
254 'W' off Turns the general purpose output ON.