Dell 1200MP Owner's Manual page 31

RS232 Pin Assignment
RS232 Protocol
• Communication Settings
Connection settings
Baud Rate:
Data Bits:
Parity
Stop Bits
• Control command Syntax (From PC to Projector)
[H][AC][SoP][CRC][ID][SoM][COMMAND]
• Example: power on the projector
Enter the following code: 0xBE 0xEF 0x10 0x05 0x00 0xC7 0xBF 0x11
0x11 0x01 0x00 0x02
NOTE:
Send least significant bytes first.
Value
19200
8
None
1
Specifications
31