Disconnect the power before opening the projector.
Remove the four screws that hold the rear panel to the projector. Set the panel and the screws aside.
Locate the dip-switch panel. It has 16 switches. The switches labeled 2 through 256 control the color mixture and intensity.
Set dip switches 1, 2 and 4 to the "On" position to set the red LEDs at 100 percent.
Set dip switches 8, 16 and 32 to the "On" position to set the green LEDs at 100 percent.
Set the dip switches 64, 128 and 256 to the "Off" position to prevent any mixing of blue light.
Replace the rear panel.