105
Rigel-PJ1nx Training
Slide 105
DDC/CI Processor Block
DDC/CI is an advanced DDC/2B of the VESA standard. I
2
C serial
communication is carried out with the computer and the PW-C950 (IC3001) at
pins 12 and15 of the RGB cable. It makes it possible to operate the projector
from a computer through an RGB cable such as RS-232C. Since the information
in the video card or the chip set of the PC that is written by the attached software
version is different, operation of the DDC/CI depends on the attached software
version.