Dell™ 7700FullHD RS232 Protocol Document z RS232 Projector Pin Assignment (Facing Projector) z RS232 Serial Communication Cable Pin Assignment (Facing Cable) Pin Assignments RS232 1 2 3 4 5 6 7 8 9 PIN DESCRIPTION RS232 TXD RXD 3 2 GROUND 5 Not Used Not Used 7 8 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
Control Commands List Command Description Header (WORD) Address Code (BYTE) Size Of The Payload (WORD) CRC16 For MsG ID The Entire (WORD) Packet (WORD) MsG Size (WORD) Command Value (BYTE) Comment Code (BYTE) Power On Menu Up Down Left Right R-sync Source Search Volume + Volume – Zoom In Zoom Out Mute On Freeze Hide Video Mode H. Keystone Up H. Keystone Down V. Keystone Up V.
Brightness Read Contrast Write Contrast Read 0xefbe 0xefbe 0xefbe 0x10 0x10 0x10 0x0005 0x0006 0x0005 0xbe10 0x9b20 0x3fd4 0x1111 0x1111 0x1111 0x0001 0x0002 0x0001 0x36 0x37 0x38 0x00~0x64 Color Temperature Write 0xefbe 0x10 0x0006 0x1ae4 0x1111 0x0002 0x39 0x01~0x04 Color Temperature Read 0xefbe 0x10 0x0005 0xbe15 0x1111 0x0001 0x3a Saturation Write Saturation Read Sharpness Write Sharpness Read Tint Write Enter 0xefbe 0xefbe 0xefbe 0xefbe 0xefbe 0xefbe 0x10 0x10 0x10 0x10 0x10
0x01: Analog In 0x01,04,07,0 0x04: HDMI-A 0x07: Wireless/LAN 8 0x08: HDMI-B 0x01: Analog In 0x04: HDMI-A 0x07: Wireless/LAN 0x08: HDMI-B 4byte: Original Password 4byte: Original Password 4byte: New Password (KHz) (Hz) 0x01: Negative 0x02: Postivite 0x01: Negative 0x02: Postivite 0x01: Key Pad Lock On 0x02: Key Pad Lock Off Audio Source Write 0xefbe 0x10 0x0006 0xdb09 0x1111 0x0002 0x54 Audio Source Read 0xefbe 0x10 0x0005 0xfe39 0x1111 0x0001 0x55 Password 0xefbe 0x10 0x0009 0xaaf9 0x1
Write Dynamic Aperture Read 0xefbe 0x10 0x0005 0xffaa 0x1111 0x0002 0x91 PIP Second Source Write 0xefbe 0x10 0x0005 0x5b5b 0x1111 0x0002 0x92 PIP Second Source Read 0xefbe 0x10 0x0005 0x7e6b 0x1111 0x0002 0x93 PIP Layout Write 0xefbe 0x10 0x0005 0xdb59 0x1111 0x0002 0x94 PIP Layout Read 0xefbe 0x10 0x0005 0xfe69 0x1111 0x0002 0x95 PIP Size Write 0xefbe 0x10 0x0005 0x5a98 0x1111 0x0002 0x96 PIP Size Read 0xefbe 0x10 0x0005 0x7fa8 0x1111 0x0002 0x97 Sys
