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116 Barco - RHDM-1701 - User manual
Full functionality description
Figure 36: Example of out of gamut indication (red squares have been replaced by yellow squares
for black&white reproducability)
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Out of gamut indication: Option to verify if parts of the image displayed on the screen are out
of gamut of the selected color working space.
The display unit has a larger color gamut than the broadcast standards. The image/video which
is shown on the screen is in accordance with the primaries and the white point of the selected
color working space. However, if the input signal contains information which is out of gamut of
the selected color working space, or when certain adjustments have been done which drive the
shown image out the selected color working space, the display unit will show the image informa-
tion faithfully as long as it is within the gamut of the display unit.
When “out of gamut indication” is checked, the display unit will mark the image data which is out
of the selected color working space by displaying a checkerboard pattern. The fields of the
checkerboard pattern change to the other color with a frequency of 1 Hz. When R, G or B is
above 100%, a Red&Black checkerboard pattern is displayed. If R, G or B is negative, a
Blue&Black checkerboard pattern is shown. It is possible that on a specific part of the image
data, one of the primaries is above 100% while another primary is negative. In this case both
checkerboard patterns are shown on top of each other in anti-phase.
First window: These settings apply to window 1 only.
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Gain: The gain is a multiplication factor that acts directly on the input signal. Please refer to the
chapter “Terminology” and read the section on the Electro Optical Transfer Function to under-
stand the impact of this setting on the shown image.
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Resizer settings: Determines the algorithm that is used to display the luminance information of
the image on a different number of pixels on the screen. See “Resizer filter menu” for more
details.