Dell 1800MP Owner's Manual page 39

RS232 Protocol
• Communication Settings
Connection settings
Baud Rate:
Data Bits:
Parity
Stop Bits
• Command types
To pop up the OSD menu and adjust the settings.
• Control command Syntax (From PC to Projector)
[H][AC][SoP][CRC][ID][SoM][COMMAND]
• Example: Power ON Command (Send low byte firstly)
--> 0xBE, 0xEF, 0x10, 0x05, 0x00, 0xC6, 0xFF, 0x11, 0x11, 0x01, 0x00, 0x01
• Control Commands List
Go to support.dell.com to view the latest RS232 code.
RS232 Pin Assignment
GND
Value
19200
8
None
1
GND
RXD
TXD
Specifications 39