Hatteland Display 26 inch - HD 26T21 MMC (Widescreen) - Manual (Page 12)

12
Serial/Ethernet Communication (SCOM) Interface
IND100084-14
"BRI" - Backlight Minimum Value
Set the backlight minimum value. Range from 0x00 to 0xFF (0% - 100%).
Example:
Command to set 50% Brightness:
0x07 0xFF 0x42 0x52 0x49 0x01 0x1B 0x80 0x7F
"BRL" - Set LED Glass Display Control™ (GDC) Brightness
Set the backlight intensity for the Glass Display Control™ (GDC) LED's on the front glass. From 0x00 to 0x31 (0% -
100%). The brightness value shall be sent as 1 byte in the DATA field. A setting of 0x00 shall indicate off. A setting of
0x31 shall indicate maximum brightness. You can send "?" to retrieve the current value/status of the LED's.
Example:
Command to set 60% intensity:
0x07 0xFF 0x42 0x52 0x4C 0x01 0x18 0x32 0xCD
"BRM" - Backlight Maximum Value
Set the backlight maximum value. Range from 0x00 to 0xFF (0% - 100%).
Example:
Command to set 60% Brightness:
0x07 0xFF 0x42 0x52 0x4D 0x01 0x17 0x99 0x66