Dell 1800MP Manual de referencia
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Dell
1800MP RS232 Protocol Pin Assignment
TM
(Facing Projector)
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
Header "BE EF"
Address Code "10" ==> Fixed
Payload Size "05 00"==> From wMsgID to end
CRC "C6 FF" ==> If CRC value is "C6 (Low Byte) FF (High Byte)"
MsgID "11 11"
MsgSize "01 00"==> From command to end.
Command "01"==> "Power ON" command.
•
Projector Response Message Table:
0x00: Success
RS232 Pin Assignment
Value
19200
8
None
1