Projector Reviews

BenQ HT1075 Projector Advanced Calibration

Welcome to the Advanced Calibration Page of the HT1075 Projector.  This page is for subscribers only.

This page provides the post calibration settings for each of the primary and secondary colors using the color management system (CMS).

In addition it provides CIE charts for Pre and Post Calibration of Cinema mode, as well as a chart of Bright mode.

Other charts include color balance (20 to 100 IRE) and gamma – pre and post adjustment.

About this Calibration Information

Mike completed the CMS calibration of the individual colors, which are provided below. And, of course, some additional comments from him.

BenQ HT1075 CMS

Color Management Settings (Default is in parentheses)
Red Green Blue Cyan Magenta Yellow
Hue (46) 43 (50) 55 (50) 58 (65) 63 (67) 54 (50) 50
Gain (50) 51 (50) 51 (50) 51 (50) 48 (50) 51 (50) 48
Saturation (50) 63 (50) 59 (50) 59 (50) 64 (50) 64 (50) 60

Numbers shown in  ( ) represent the factory default settings, those without ( ) are the actual results.

Mike's CMS Calibration Notes

The color gamut by default was pretty accurate in Cinema and Standard, but way off in Bright mode (see CIE charts).  All of the colors were slightly low in lightness, while cyan and magenta were the furthest off in hue.

Green and yellow, often the most inaccurate colors with many DLP projectors, were both quite good by default.  The CMS worked well, bringing the Delta E error down from a 6.3 average to 0.7.  Chromaticity errors, which ranged from -10.9% to 6.4% (with the low values in lightness) were also reduced to a range of -4.1% to 1.7%.

Overall, the grayscale and color gamut of the HT1075 is among the best I’ve measured by default, which is quite an accomplishment considering the price.

Calibration Charts (Before and After)

Click to enlarge these charts, pre- and post-calibration.

This Slideshow image player is manual.  Use the arrow keys to select the image you want to enlarge, and then click on the image.

BenQ HT1075 Pre- and Post-Calibration Charts