Acer AL1913W Manuale di servizio - Pagina 12
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(3)
Definition of Response Time (T
100%
90%
Optical
10%
Response
0%
(4) Luminance, Chromaticity and CCT Measurement
Measurement System Setup:
The LCD module should be stabilized at given temperature for 30 minutes to avoid abrupt
temperature change during measuring. In order to stabilize the luminance, the measurement should be
executed after lighting Backlight for 30 minutes in a windless room.
LCD Module
, T
R
Gray Level 255
T
R
LCD Panel
Center of the Screen
500 mm
):
F
Gray Level 0
Spectrometer
(Minolta CS1000T )
Light Shield Room
(Ambient Luminance < 2 lux)
12
Gray Level 255
T
F
Time