Dell P519HL RS232 Protocol Document RS232 Projector Pin Assignment (Facing Projector) RS232 Serial Communication Cable Pin Assignment (Facing Cable) Pin Assignments RS232 PIN DESCRIPTION RS232 1 2 RXD 2 3 TXD 3 4 5 GROUND 5 6 7 Not Used 7 8 Not Used 8 9 Note 1: The RS232 (pin2-3 swap) cable is not provided by Dell.
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 (Send Low Byte Firstly) Enter the following code: 0xbe, 0xef, 0x10, 0x05, 0x00, 0xc6, 0xff, 0x11, 0x11, 0x01, 0x00, 0x01 Header [H] ==> Fixed, “be (Low Byte), ef (High Byte)” Address Code [AC] ==> Fixed, “10” Size of Payload [SoP] ==> Byte size from MsgID to Command Code, “05 (Low Byte), 00 (High Byte)” or Byte size from MsgID to Value, “06 (Low Byte), 00 (Hi
Ex: Version M0R001 “M0R001” 0x4d, 0x30, 0x52, 0x30, 0x30, 0x31 (Success, the Command Code of FW Version, 6 Bytes ASCII Code: “M0RXXX”) Control Commands List Command Description Header Addres Size Of (WORD) s Code The (BYTE) Payload (WORD) CRC16 For MsG ID The Entire (WORD) Packet (WORD) MsG Size Comma Value (WORD) nd Code (BYTE) (BYTE) Comment Power On/Standby Power On Menu Up Down Left Right R-sync Source Search Volume + Volume – Zoom In Zoom Out Mute On Freeze Hide Video Mode V. Keystone Up V.
Projector Mode Write 0xefbe 0x10 0x0006 0x9ae3 0x1111 0x0002 0x33 0x01~0x 04 Projector Mode Read 0xefbe 0x10 0x0005 0x3fd1 0x1111 0x0001 0x34 0x01~0x 04 Brightness Write 0xefbe 0x10 0x0006 0x1ae1 0x1111 0x0002 0x35 0x00~0x 64 Brightness Read 0xefbe 0x10 0x0005 0xbe10 0x1111 0x0001 0x36 Contrast Write 0xefbe 0x10 0x0006 0x9b20 0x1111 0x0002 0x37 Contrast Read 0xefbe 0x10 0x0005 0x3fd4 0x1111 0x0001 0x38 Color Temperature 0xefbe 0x10 Write 0x0006 0x1ae4 0x1111 0x0002
Current Language 0xefbe 0x10 Read 0x0005 0xbe32 0x1111 0x0001 0x4e Volume Read 0xefbe 0x10 0x0005 0x7ff2 0x1111 0x0001 0x4f Source-HDMI 0xefbe 0x10 0x0005 0x3e3a 0x1111 0x0001 0x50 Password 0xefbe 0x10 0x0009 0xaaf9 0x1111 0x0005 0x56 Change Password 0xefbe 0x10 0x000d 0x99fa 0x1111 0x0009 0x57 H. Frequency V. Frequency 0xefbe 0x10 0xefbe 0x10 0x0005 0x0005 0xfe3c 0xbe3d 0x1111 0x1111 0x0001 0x0001 0x59 0x5a H.
0x3c, 0x41, 0x46, 0x4b, 0x50, 0x55, 0x5a, 0x5f, 0x64, 0x69, 0x6e, 0x73, 0x78 Source-USB-Video Source-USB-Music Source-USB-Phot o Source-USB-Docu ment Source-USB-Setti ng Source-Network Source-Internal Memory Video Source-Internal Memory Music Source-Internal Memory Photo Source-Internal Memory Document Source-Storage Mode System Status 0xefbe 0x10 0xefbe 0x10 0x0005 0x3fb2 0x0005 0xfe72 0x1111 0x1111 0x0001 0x0001 0xB0 0xB1 P P 0xefbe 0x10 0x0005 0xbe73 0x1111 0x0001 0xB2 P 0xefbe 0x10 0x0005