Dell™ 4220/4320 RS232 Protocol Document z RS232 Projector Pin Assignment (Facing Projector) z RS232 Serial Communication Cable Pin Assignment (Fa
Control Command Syntax (From PC to Projector) [H][AC][SoP][CRC][ID][SoM][COMMAND] [H][AC][SoP][CRC][ID][SoM][COMMAND][Value] Example: Power On Command
Control Commands List Command Description Header (WORD) Address Code (BYTE) Size Of The Payload (WORD)CRC16 For The Entire Packet (WORD) MsG ID (WORD
0x03: High 0x04: Custom Saturation Write 0xefbe 0x10 0x0006 0x9b25 0x1111 0x0002 0x3b 0x00~0x64 Range (0x00~0x64) Saturation Read 0xefbe 0x
0x04: HDMI 0x07: Wireless/LAN Password 0xefbe 0x10 0x0009 0xaaf9 0x1111 0x0005 0x56 4byte: Original PasswordChange Password 0xefbe 0x10
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