Test Bench

FULL- ON/FULL- OFF CONTRAST RATIO:

752:1 The measurements here were made using CALMAN measurement software from Portrait Displays (www. portrait.com), together with a Photo Research PR650 color meter, Minolta LS-100 luminance meter, and a Murideo/avpro (Fresco Six-g) test pattern generator.

Pre-calibration measurements were made with the VA-LT002’S Movie Image Parameter mode active. Post-calibration measurements were made in the Customized mode.

All measurements were made with the projector positioned 14 feet from a 100-inch diagonal Screen Innovations Zero Edge screen with 0.6 gain Short Throw material.

The projector’s maximum full-on/full-off SDR contrast ratio was measured with Customized Image Parameter and High Brightness modes active. With this combination, black measured 0.021 ft-l and peak white 15.8 ft-l for a contrast ratio of 752:1.

Before calibration, the default Warm color temperature preset in

Movie and other Image Parameter modes displayed a pronounced blue bias, with the Delta E averaging out to 13. After calibration using the limited controls (RGB gain) available in the projector’s Customized color temperature menu, that number was reduced to

4.4 with a high of 8.1 at 40 percent brightness. (Delta E is a figure of merit indicating how close the color comes to the standards, either

D65 for the white point or the color coordinates for each of the primary and secondary colors that define the color gamut under test. Values below 3 are generally unnoticeable.)

With the default settings active in Movie picture mode, the Delta E of the VA-LT002’S measured color points averaged out to 9.5. With no color management system controls available, it was necessary to use the projector’s basic Saturation (color) and Tone (tint)