Optoma HD151X User Manual page 35

DynamicBlack
Dynamic Black enables the projector to automatically optimize the bright-
ness of the display during dark/light movie scenes to be shown in incredible
detail.
Color Temp.
If set to cold temperature, the image looks more blue. (cold image)
If set to standard temperature, the image maintains normal colorings for
white.
If set to warm temperature, the image looks more red. (warm image)
Color Settings
Press / /"Enter" key to enter the next menu as below and then use
/ key to select color. Press "Enter" to finalize the selection.
Red/Green/Blue/Cyan/Magenta/Yellow/White: Use
Saturation/Gain and then use
Reset: Choose "Yes" to return the factory default settings for color
adjustments.
Color Space
Select an appropriate color matrix type from AUTO, RGB, RGB (0-255)(*),
RGB (16-235)(*) or YUV.
Note
(*) for HDMI only.
Signal
Automatic: Automatically selects the singal. If you use this function, the
Phase, frequency items are grayed out, and if Signal is not automatic,
the phase, frequency items will appear for user to manually tune and
saved in settings after that for next time projector turns off and on again.
Phase: Synchronize the signal timing of the display with the graphic
card. If the image appears to be unstable or flickers, use this function to
correct it.
Frequency: Change the display data frequency to match the frequency
of your computer's graphic card. Use this function only if the image
appears to flicker vertically.
/ to adjust the value.
/ to toggle Hue/
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/ /