Optoma W501 User's Manual - Page 82

RS232 Protocol Function List Baud Rate Data Bits Parity Stop Bits Flow Control UART16550 FIFO Projector Return (Pass) Projector Return (Fail) 9600 8 None 1 None Disable P F Lead Code ~ Fix code One Digit Projector ID X X Set in OSD 00~99 Two Digit Command ID X X X space variable carriage return n CR Defined by Optoma 2 or 3 Digit See the Follow content One Digit Per item Definition Fix code One digit Note „ To also include AMX beacon signal in RS232 protocol „ In basic terms, AMX controllers will issue a poll periodically to detect 3rd party devices connected to the RS232 port (in this case Optoma). The poll is "AMX" in ASCII followed by a carriage return 'r'. „ There is a after all ASCII commands. „ 0D is the HEX code for in ASCII code EN-82