ViewSonic VTMS2431 User Guide - Page 59

ENGLISH Other Information 6. Remote Control Pass-through mode When PC sets the LCD monitor to Remote Control Pass through mode, the LCD shall send a three bytes packet (followed by "CR") in response to RCU button activation. Note, that in this mode the RCU shall have no effect on the monitor function. For example: "+Volume" will not change the volume in the LCD but only sends "+Volume" code to PC over the RS232 port. RCU Pass-through Command description: Length Total Byte of Message excluding "CR" TV ID Identification for each of TV Command Type Identify command type, "p" (0x70h) : RCU Pass-through Value[1~2] Two bytes ASCII that defines the value CR 0x0D RCU Pass-through Command Format: Reply: (Command Type= "p") Name Length ID Command Value1 Type Byte Count 1 Byte 2 Byte 1 Byte 1 Byte Bytes order 1 2~3 4 5 Value2 1 Byte 6 CR 1 Byte 7 Example1: User press "Menu" Key form RCU to TV-03 and RCU data pass-through to Server, then server will receive "1A". Reply (Hex Format) Name Length ID Command Value1 Value2 CR Type Hex 0x36 0x30 0x70 0x31 0x41 0x0D 0x33 Example2: User press "5" Key form RCU to TV-07 and RCU data pass-through to Server, then server will receive "05". Reply (Hex Format) Name Length ID Command Value1 Value2 CR Type Hex 0x36 0x30 0x70 0x30 0x35 0x0D 0x36 Contact ViewSonic service team at: http://www.ViewSonic.com or call our service team: United States 1-800-688-6688, Canada 1-866-463-4775 ViewSonic 54 VTMS2431