© Optoma
Issue 2.1 July 25, 2018
49
6.2.1.5
Custom Modes (Resolutions)
From this menu, the user can create up-to four custom output progressive or interlaced resolutions.
These resolutions are available for selection from the Display Type sub-menu under the Output menu.
These custom resolutions can also be selected for each input from the Input Conf. sub-menu under
the System menu. The custom resolutions are not available for the SDI output. This menu is only
available for the LED driving models
Settings:
CMx Width: from 640 to 4096; CMx Height: from 480 to 2160; CMx Scan Type:
Progressive/Interlaced
Default:
CMx Width: 1920; CMx Height: 1080; CMx Scan Type: Progressive
6.2.2
Gamma/Colour/Crush
6.2.2.1
Colour Temperature
Native Colour Temp allows the user to select from pre-configured colour temperatures to match the
display. If this value is the same as the Colour Temp value in the (Input) Colour menu, no conversion is
performed.
Settings:
3200K, 3700K, 5500K, 6500K, 7500K, 9300K
Default:
6500K
6.2.2.2
Output Gamma
Output gamma allows to re-gamma video signals with pre-configured gamma values to match the
display. Input gamma and output gamma both default to 1.0. If they are both set to the same value,
there is no effect on the image.
Settings:
1.0 to 3.0 in steps of 0.1
Default:
1.0
6.2.2.3
Black Crush (LED models only)
This feature is available for models supporting LED walls. The input black level should be optimized
prior to using Black Crush and any filter settings should also be optimized first. Black Crush is not a
replacement for correct input settings, but it is available to clean up any remaining black level noise on
the signal which may be visible on very bright LED screens without reducing the peak white
brightness. This function is not the same as adjusting the overall black level.
It is recommended to use a setting between 0 and 16 and not more than 20. For most LED screens the
optimum setting for Black Crush is between 8 and 20. For particularly noisy subject material, 24 can be