LG HECTO Owner's Manual page 93

04. Contrast (Command: kg)
⇒ 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
05. Brightness (Command: kh)
⇒ 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
Serial Communication Function
06. Color (Command: ki)
⇒ 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
07. Tint (Command: kj)
⇒ 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
93