RS232 Control Codes
Epson offers comprehensive projector control via RS232. This section covers RS232 control connectivity and Epson projector command codes. Also included is a TIPS section to highlight some techniques that are required to program Epson projectors.
||The Epson PowerLite 475W projector uses an ASCII based version for Epson Standard Codes. These can be controlled via RS232, USB or Ethernet control. It is referred to as ESC/VP21 and the list of codes are contained here. Current revision is Rev P and was issued on January 28 of 2011 of the ESC/VP21 Command Users Guide for Business Projectors. A complete compatibility of models and codes is also provided for your convenience.
||Important Note: To ensure proper programming, refer to programming wait times on page 6 of the PDF of ESC/VP21 Codes manual Rev P. Failure to insert proper wait times may compromise projector responsiveness.
||"Communication On" setting in the projector menu may have to be enabled for some communication. Refer to ESC/VP21 manual.