- 38 -2. Contrast adjustment1 Input a 100%-whole black signal.2 Loosen 1 screw A on the optical filter(WV) mounting base and 1screw B on the polarized glass mounting base. (The opical filter forblue panel is not provided.)3 Turn the optical filter mounting base with lever C to obtain the darkestbrightness and proper black color uniformity on the screen.4 Turn the polarized glass mounting base with lever D to obtain thedarkest brightness and proper black color uniformity on the screen.5 Tighten the screws A and B to fix the optical filter and polarized glassmounting base.Repeat steps 1 to 5 for remaining R, G or B contrast adjustment.Fig.7-1Fig.7-2Optical adjustmentABCDB-PanelG-PanelPolarizedGlass-GPolarizedGlass-BR-PanelOpticalFilter-GOpticalFilter-RPolarizedGlass-R
