Hatteland Display 13 inch - HD 13T21 STD (Widescreen) - Manual (Page 19)

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DOC101681-1- rev.2
19
8 and 13" DIS DDC Control
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 Touch Pad LED Display
VCP
Code
Sub-F Function Description
D
N
Type
R W
0xF3 0x30 d1) Pad LED ON/OFF 1 1 RW
0xF3 0x31 d2) Pad LED Dimming Control 1 1 RW
0xF3 0x32 d3) Pad LED Dimming Control Adjust follow Back Light 1 1 RW
3.3.15. Sub-Function: 0x30 Pad LED ON/OFF
This command is turn it ON or OFF to pad LED.
Command example:
<Set Table>
[S] 6E [W] 51 85 E7 F3
01 30 01 9E [P]
<Get Table>
[S] 6E [W] 51 84 E2 F3
01 30 9B [P]
<Reply>
[S] 6F [R] 6E 84 E4
01 30 01 6E [P]
Red color  Set or Get data length.
Green color  Sub function ID.
Blue color  Set or get data.
 Data setting description
0x00  OFF
0x01  ON
3.3.16. Sub-Function: 0x31 Pad LED Dimming Control
This command is pad LED dimming control that range is 0 to 255.
Command example:
<Set Table>
[S] 6E [W] 51 85 E7 F3
01 31 C8 56 [P]
<Get Table>
[S] 6E [W] 51 84 E2 F3
01 31 9A [P]
<Reply>
[S] 6F [R] 6E 84 E4
01 31 C8 A6 [P]
Red color  Set or Get data length.
Green color  Sub function ID.
Blue color  Set or get data.
3.3.17. Sub-Function: 0x32 Pad LED Dimming Control Adjust follow Back Light
This command is flag status setting of pad LED dimming follow back light control.
Command example:
<Set Table>