Samsung PN43D430A3DXZA - Manual (Page 34)

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● Black Tone ( Off / Dark / Darker / Darkest ): Select the black level to adjust the
screen depth.
● Dynamic Contrast ( Off / Low / Medium / High ): Adjusts the screen contrast.
● Gamma : Adjusts the primary color intensity.
● RGB Only Mode ( Off / Red / Green / Blue ): Displays the Red , Green and
Blue color for making fine adjustments to hue and saturation.