Acer A231H Service Guide - Page 9

Acer Acer -LCD-A231H 3.3 Brightness output The test to verify specifications in this section shall be performed under the following standard conditions unless otherwise noted. Temperature Test pattern Video Resolution Video input level Warm-up time : 25 ± 5°C : white : 1920 x 1080 : 700 mV ± 2% : 30 minutes Set brightness control and also contrast control at maximum, to measure the screen center, the light output shall BL ≥ 200 cd/m2 . 3.4 White balance The test standard conditions refer to Sec 3.3. (Brightness and contrast are under default value) Mode Cool Warm User 9300K 6500K Chromaticity Coordinate x y 0.283 ± 0.030 0.297 ± 0.030 0.313 ± 0.030 0.329 ± 0.030 Panel While x Panel While y