BenQ RS232 Commands Programming Manual

About this manual

This manual provides the RS232 cable pinout and connection guidelines for BenQ projectors, including required pin assignments and wiring colors. It also details the RS‑232 protocol settings such as baud rate, data length, parity, stop bits, and flow control.

The document lists the complete command table for controlling projector functions via RS232, including power, source selection, audio, picture, lamp, and network commands. Each command shows the exact ASCII string to send and the expected response format.

What's inside

• Cable Requirement and Pin Assignment
• RS232 Connection
• Interface Settings
• Command Table
• Color Settings
• Aspect Ratio Commands
• Lamp Control Commands
• Standby and Power Commands
• Network and Remote Commands
• Miscellaneous Commands

Specifications

Frequently asked questions

How do I turn the projector on via RS232?

Send the command "*pow=on#" to power on the projector.

How can I query the projector's current power status?

Send "*pow=?#" and the projector will return its power status.

How do I set the RS232 baud rate to 9600 bps?

Send the command "*baud=9600#" to change the baud rate to 9600 bps.

How can I read the projector model name via RS232?

Send "*modelname=?#" and the projector will return its model name.