28 Using Your ProjectorFREQUENCY—Allows you to change the display data clock frequency to match thefrequency of your computer graphics card. If you see a vertical flickering wave, useFrequency control to minimize the bars. This is a coarse adjustment.TRACKING—Synchronize the phase of the display signal with the graphic card. If youexperience an unstable or flickering image, use Tracking to correct it. This is a fineadjustment.DISPLAY (in Video Mode)Using the Display menu, you can adjust the display settings of your projectors.The Picture menu, provides the following options:VIDEO M ODE —Allows you to optimize the projectors display mode:PC, Movie, sRGB (provides more accurate color representation), Game, andCustom (set your preferred settings). If you adjust the settings for White Intensityor Degamma, the projector automatically switches to Custom.NOTE: If you adjust the settings for White Intensity or Degamma, the projectorautomatically switches to Custom.SIGNAL TYPE —Manually select signal type RGB, YCbCr, or YPbPr.ZOOM —Press to digitally magnify an image up to 4 times on the projectionscreen and press to reduce the zoomed image.ZOOM NAVIGATION —Press to navigate projection screen.WHITE INTENSITY —Set 0 to maximize the color reproduction and 10 to maximizethe brightness.DEGAMMA —Adjust among the 4 preset values (1, 2, 3, 4) to change the colorperformance of the display.http://www.pureglare.com.au