Sony ILCE-1 Help Manual page 209

Sets knee point and slope for video signal compression to prevent over-exposure by limiting signals in high intensity
areas of the subject to the dynamic range of your camera.
[Knee] is disabled if [Mode] is set to [Auto] when [Gamma] is set to [Still], [Cine1], [Cine2], [Cine3], [Cine4],
[ITU709(800%)], [S-Log2], [S-Log3], [HLG], [HLG1], [HLG2], or [HLG3]. To enable [Knee], set [Mode] to [Manual].
Mode: Selects auto/manual settings.
Auto: The knee point and slope are set automatically.
Manual: The knee point and slope are set manually.
Auto Set: Settings when [Auto] is selected for [Mode ].
Max Point: Sets the maximum point of the knee point. (90% to 100%)
Sensitivity: Sets the sensitivity. (High / Mid / Low)
Manual Set: Settings when [Manual] is selected for [Mode].
Point: Sets the knee point. (75% to 105%)
Slope: Sets the knee slope. (-5 (gentle) to +5 (steep))
Color Mode
Sets type and level of colors.
In [Color Mode], only [BT.2020] and [709] are available when [Gamma] is set to [HLG], [HLG1], [HLG2], or [HLG3].
Movie: Suitable colors when [Gamma] is set to [Movie].
Still: Suitable colors when [Gamma] is set to [Still].
S-Cinetone: Suitable colors when [Gamma] is set to [S-Cinetone].
Cinema: Suitable colors when [Gamma] is set to [Cine1] or [Cine2].
Pro: Similar color tones to the standard image quality of Sony professional cameras (when combined with ITU709
gamma)
ITU709 Matrix: Colors corresponding to ITU709 standard (when combined with ITU709 gamma)
Black & White: Sets the saturation to zero for shooting in black and white.
S-Gamut: Setting based on the assumption that the pictures will be processed after shooting. Used when [Gamma] is set
to [S-Log2].
S-Gamut3.Cine: Setting based on the assumption that the pictures will be processed after shooting. Used when
[Gamma] is set to [S-Log3]. This setting allows you to shoot in a color space that can easily be converted for digital
cinema.
S-Gamut3: Setting based on the assumption that the pictures will be processed after shooting. Used when [Gamma] is
set to [S-Log3]. This setting allows you to shoot in a wide color space.
BT.2020: Standard color tone when [Gamma] is set to [HLG], [HLG1], [HLG2], or [HLG3].
709: Color tone when [Gamma] is set to [HLG], [HLG1], [HLG2], or [HLG3] and movies are recorded with HDTV color
(BT.709).
Saturation
Sets the color saturation. (-32 to +32)
Color Phase
Sets the color phase. (-7 to +7)
Color Depth
Sets the color depth for each color phase. This function is more effective for chromatic colors and less effective for
achromatic colors. The color looks deeper as you increase the setting value towards the positive side, and lighter as you
decrease the value towards the negative side. This function is effective even if you set [Color Mode] to [Black & White].
[R] -7 (light red) to +7 (deep red)
[G] -7 (light green) to +7 (deep green)
[B] -7 (light blue) to +7 (deep blue)
[C] -7 (light cyan) to +7 (deep cyan)
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