Dell 7700HD Projector RS232 Command Line Interface Guide
Summary
An RS232 protocol document for the Dell 7700FullHD projector. It specifies the serial communication interface including pin assignments, baud rate (19200 bps), data format, and command syntax for remote control of projector functions. The document details command structures for power on/off, input source selection, volume control, OSD menu navigation, and status queries, along with response message formats and CRC error checking. Targeted at AV integrators and developers implementing custom control systems for Dell projectors.
Page 1 Text Content
Dell™ 7700Full HD RS232 Protocol Document RS232 Projector Pin Assignment (Facing Projector)
RS232 Serial Communication Cable Pin Assignment (Facing Cable)
Pin Assignments
RS232 PIN DESCRIPTION RS232
2 TXD 3 3 RXD 2
5 GROUND 5
7 Not Used 7 8 Not Used 8
Note 1: The RS232 (pin2-3 swap) cable is not provided by Dell.
RS232 Protocol Communication Settings
Connection Settings Value Baud Rate 19200 bps Data Bits 8 bits Parity None Stop Bits 1 bit Flow control None
Command Types To display the OSD menu and adjust the settings.
Page Summary Contents For Dell 7700HD Projector RS232 Command Line Interface Guide
Manual Details
| Brand | Dell |
|---|---|
| Pages | 6 |
| File Size | 243.29 KB |
| Published | June 27, 2026 |
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Frequently Asked Questions
Is the RS232 serial communication cable provided by Dell?
No, the RS232 (pin 2-3 swap) cable is explicitly stated as not being provided by Dell.
What serial settings are required for connection?
The required settings are a Baud Rate of 19200 bps, 8 data bits, None parity, and 1 stop bit with no flow control.
How do I check the current lamp operating hours?
To read the Lamp Hour status, use a command addressing 0x2f (Command Code) and monitor Byte 2 (LSB) and Byte 3 (MSB).
What response codes indicate if my command was successful or failed?
A return value of 0x00 indicates success. An invalid command is indicated by 0x01, while general errors include CRC issues or unknown commands, marked as 0x02.