Acer X34GS Lifecycle Extension Manual page 20

The response time is defined as below:
1.5.4 Viewing angles:
1.5.5 Chromaticity:
The color chromaticity is measured by a photometer (CA-210) at 1920x1080/60Hz,Full White pattern;
Brightness /Contrast in default setting. The x and y co-ordinates for Reddish, Bluish and User preset mode
shall be as below.
Color Coordinate:
Color Coordinates
Mode
(CIE 1931, White x & White
80% 0.32±0.03, 0.35±0.03
Percent of
Panel Max.
brightness
y)
80%
Brightness OSD value
80
Contrast OSD value
(Slope ratio for the
gamma)
50 (1)
20