Gamma Adjustment
0
When the gamma curve is a straight line:
The brightness and contrast of the video input will be
the same as that of the video output.
0
Area for which the gamma curve is above the straight
line (A):
Video output appears brighter than the input.
0
Area for which the gamma curve is below the straight
line (B):
Video output appears darker than the input.
0
Area for which the slope of the gamma curve is steep
(midtone) (C):
The grayscale range of the video output becomes
wider, and the contrast increases (D
"
D’).
C
B
A
D
0
255
0
255
D”
Gamma Curve
Input Value
Output V
alue
Dark
Dark
Bright
Bright
Gamma Adjustment When Viewing HDR Contents (Tone Mapping)
“HDR(ST.2084)” gamma is the PQ curve adopted by HDR10. Fine adjustments can be made according to the screen
size and environment although the default settings for viewing with the projector have been adjusted to allow optimum
viewing.
Default settings when viewing HDR contents of this projector
Picture Mode
: HDR
Gamma
: HDR(ST.2084)
Estimated Screen Size
: 90 to 120 inch (screen gain 1.0)
Estimated MaxCLL/MaxFALL : MaxCLL 1000 nits, MaxFALL 400 nits
Picture tone adjustment method
.
0
Picture Tone
When Picture Tone is set to “-”
(The entire screen becomes dark.)
0
Screen size is smaller than estimated
0
MaxFALL/MaxCLL value is higher than
0
Screen becomes brighter in the course of
viewing
.
When Picture Tone is set to “+”
(The entire screen becomes brighter.)
0
Screen size is bigger than estimated
0
MaxFALL/MaxCLL value is lower than
0
Screen becomes darker in the course of
viewing
Bright/dark area adjustment method
.
0
Dark Level
(―) To enhance the contrast
.
(+) To make the dark area information more
visible
.
0
Bright Level
(―) To enhance the gradation of highlight areas
.
(+) To enhance the contrast
39
Adjust/Set
