Backlight (Command: M G) - HP LD4235 User Manual

[j][o][ ][Set ID][ ][Data][Cr]
Data
00 to FE: Blue Gain 0 to 254
Acknowledgement
[o][ ][Set ID][ ][OK/NG][Data][x]

56. Backlight (Command: m g)

To adjust the screen backlight.
Transmission
[m][g][ ][Set ID][ ][Data][Cr]
Data
00 to 64: Backlight 0 to 100
Acknowledgement
[g][][set ID][][OK/NG][Data][x]
** It may not be supported depending on the model.
Transmission / Receiving protocol 101