ISIC DuraMON 7, User Manual, Page: 8 / 20

5
DuraMON 7” WS communication protocol
To control the DuraMON 7” WS from a PC the commands below has to be used.
Function BYTE0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5
Length Set ID CMD1 CMD2 CMD3 Checksum
POWER BUTTON Power On/Off 6 0 ‘K’ (0x4B) ‘P’ (0x50) ‘W’ (0x57) 0x08
MENU BUTTON Menu/Exit 6 0 ‘K’ (0x4B) ‘M’ (0x4D) ‘N’ (0x4E) 0x14
ENTER BUTTON Enter 6 0 ‘K’ (0x4B) ‘M’ (0x4D) ‘O’ (0x4F) 0x13
UP BUTTON Up 6 0 ‘K’ (0x4B) ‘M’ (0x4D) ‘U’ (0x55) 0x0D
DOWN BUTTON Down 6 0 ‘K’ (0x4B) ‘M’ (0x4D) ‘D’ (0x44) 0x1E
Checksum : BYTE0 + BYTE1 + BYTE2 + BYTE3 + BYTE4 + BYTE5 = 0
Example:
Decrement backlight level one step (when no OSD is active):
BYTE0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5
0x06 0x00 0x4B 0x4D 0x44 0x1E
Reply from Monitor:
BYTE0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5
0x64 0x6F 0x77 0x6E 0x0D 0x0A
6
DDC/CI commands
To avoid the additional serial cable it is also possible to control the DuraMON 7” WS through a DDC/CI (Display Data
Channel Command Interface) integrated in the DVI cable/connector.
Data format:
BYTE0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5 BYTE6 BYTE7
DEST
SOUR LENG SET_V
VCP R/W
VALU
CHK
DEST
Destination address
SOURCE Source address
LENGTH Length
SET_VCP Set VCP Feature COMMAND
VCP VCP command to use
R/W Read or Write
VALUE Value
CHK Checksum
User Reference Manual – DuraMON 7” series
PN: 07009-000 Rev A Page 8