DellTM 2400MP RS232 Protocol Pin Assignment (Facing Projector) · Communication Settings Value 19200 8 None 1 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 Magic "BE EF" Pack Type "10" ==> pt_OEM Packet Size "05 00" ==> From wMsgID ~ END CRC "C6 FF" ==> if CRC value is "C6(Low Byte) FF (High Byte)" MsgID "11 11" MsgSize "01 00" ==> From Command ~ END Command "01" ==> "Power ON" Command · Projector Response Message Table: 0x00: Success 0x01: Invalid Command (on the control command list but not valid. e.g. Card Reader command while no card reader plug-in) 0x02: Error Command (includes CRC error and unknown commands) www.dell.com | support.dell.com 0x03: System Status - Projector ON (Normal Mode) NACK: System Status - Projector OFF (Standby Mode) Note: When the projector is in the standby mode, no acknowledgement (NACK) response is sent by the projector. · Projector Response Lamp Hour: Byte0, Byte1, Byte2, Byte3 Byte0: 0x00 (Success) Byte1: 0x2F (the header of lamp hour) Byte2: LSB (Hex) Byte3: MSB (Hex) Ex: 800 (3x256+2x16=800) hours --> 0x00, 0x2F, 0x20, 0x03 · Firmware version Response: Firmware version: 4 Bytes ASCII Code: "V*.*" V: Version *: 0-9 Ex: Version 1.5 -->"V1.5" -->0x00, 0x30, 0x56, 0x31, 0x2E, 0x35(Success, header of FW Version, 4 Bytes ASCII Code: "V*.*") Control Commands List Header (WORD) Address Code (BYTE) Size of the payload (WORD) CRC16 for the entire packet (WORD) 0xffc6 0xbfc7 0x7e07 0x3fc5 0xfe05 0xbe04 0x7fc4 0x3fc0 0xfe00 0xbe01 0x7fc1 0x3e03 0xffc3 0xbfc2 0x7e02 0x3fca 0xfe0a 0xbe0b 0x7fcb 0x3e09 0x7e08 0x3e0c 0xffcc 0xbe1f 0x7fdf 0xbfd9 0x7e19 0x3fdb 0xfe1b 0xbe1a 0x7fda 0x3e12 0x3ff6 0x7e46 MsG ID (WORD) MsG size (WORD) Command code (BYTE) Command Description 0xefbe 0x10 0x0005 0x1111 0x0001 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0A 0x0B 0x0C 0x0D 0x0E 0x0F 0x10 0x11 0x12 0x13 0x14 0x17 0x18 0x19 0x22 0x23 0x2A 0x2B 0x2C 0x2D 0x2E 0x2F 0x30 0x40 0xFF Power Menu Up Down Left Right R-sync Source Volume + Volume Zoom in Zoom out Mute Freeze Hide Video Mode H. Keystone Up H. Keystone Down V. Keystone Up V. Keystone Down Aspect ratio(4:3/16:9) Power OFF Source-VGA Analog Source-S-Video Source-Composite ECO Mode ON ECO Mode OFF Auto Source ON Auto Source OFF Factory Reset Lamp Hour Firmware Version Enter key System Status Information in this document is subject to change without notice. © 2006 Dell Inc. All rights reserved. Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own. www.dell.com | support.dell.com ...