LG HECTO - Manual (Page 93)

93 Serial Communication Function
04. Contrast (Command: kg) 06. Color (Command: ki)
05. Brightness (Command: kh) 07. Tint (Command: kj)
⇒ Adjusts the screen contrast.
Transmission
[k][g][][Set ID][][Data][Cr]
Data Min: 0H - Max: 64H
(* Transmitted in hexadecimal code)
* See the data structure.
Ack
[g][][Set ID][][OK][Data][x]
Data Min: 0H - Max: 64H
⇒ Adjusts the screen color.
Transmission
[k][i][][Set ID][][Data][Cr]
Data Min: 0H - Max: 64H
(* Transmitted in hexadecimal code)
* See the data structure.
Ack
[i][][Set ID][][OK][Data][x]
Data Min: 0H - Max: 64H
⇒ Adjusts the screen brightness.
Transmission
[k][h][][Set ID][][Data][Cr]
Data Min: 0H - Max: 64H
(* Transmitted in hexadecimal code)
* See the data structure.
Ack
[h][] [Set ID][][OK][Data][x]
Data Min: 0H - Max: 64H
⇒ Adjusts the screen tint.
Transmission
[k][j][][Set ID][][Data][Cr]
Data Red: 0H - Green: 64H
(* Transmitted in hexadecimal code)
* See the data structure.
Ack
[j][][Set ID][][OK][Data][x]
Data Red: 0H - Green: 64H