madVR Labs Envy Setup Manual page 10

4.0.2 Envy Display Configuration Menu
4.0.2.1 Levels
Just as we set the Input Level in the Projector to Limited (16-235), we need to set the Envy to do the same, as
shown below. In the Envy, this is called "Limited Range (TV)."
4.0.2.2 Peak Luminance
Peak Luminance is a measure (in "nits" or foot lamberts) of the brightest image your display achieves for a
specific system configuration. This depends on several factors, including your display's lumens, lens position,
iris position, Laser Level, calibration settings, throw distance, and your screen size and gain.
The Envy uses the peak luminance measure to render all scenes according to director's intent, including very
bright and very dark scenes. Therefore, it is important to specify an accurate Peak Luminance setting.
The best way to determine your peak luminance is manually put the JVC into the Picture Mode used for HDR
and then display a 100% IRE White pattern. Then measure it using third-party calibration software or a
handheld LUX meter. The Envy has this pattern built-in, and it can be displayed using the Envy menu system.
If measuring with calibration software, enter the "cd/m2" measurement. If using a LUX meter, convert the LUX
reading to nits by multiplying it by the Screen Gain and then dividing by Pi (3.14).
After determining your peak luminance, enter it in the area shown below.
madVR Envy – JVC Setup Guide
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