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BenQ Projector

Controls BenQ projectors for power, source selection, picture settings, and image adjustments. State is polled from the projector.

Two transports:

  • RS-232 serial — a crossover cable, at a baud rate from 2400 to 115200.
  • Network — TCP on port 8000.

There is no pairing or authentication. State is read by polling.

  • Connectionserial or network.
  • For serial: serial port and baud (2400–115200).
  • For network: host and port (default 8000).
CommandWhat it does
power_on / power_offTurn the projector on or off
set_sourceSelect the input source
set_picture_modeSet the picture mode
set_aspectSet the aspect ratio
set_lamp_modeSet the lamp mode
set_colour_temperatureSet the colour temperature
blank_on / blank_offBlank or unblank the image
freeze_on / freeze_offFreeze or unfreeze the image
mute_on / mute_offMute or unmute audio
volume_up / volume_downStep the volume
menu_on / menu_off / up / down / left / right / okOpen the menu and navigate
auto_adjust / zoom_in / zoom_outAuto-adjust and zoom
contrast_up/_down, brightness_up/_down, sharpness_up/_downStep contrast, brightness, or sharpness
high_altitude_on / high_altitude_offToggle high-altitude mode
send_rawSend a raw command (e.g. pow=?)

Several commands (source, picture mode, aspect, lamp mode, colour temperature) are backed by option lists. Reports power, source, picture mode, aspect, blank state, lamp hours, lamp mode, and model as state.