Acer B223W Service Manual page 31

100%
90%
10%
0%
Note 5:
Definition of contrast ratio:
Contrast ratio is calculated by the following formula.
Contrast ratio (CR)=
Note 6:
Driving conditions for CCFL: I
Note 7:
Definition of viewing angle.
Note 8:
Definition white uniformity:
Luminance are measured at the following nine points (P1~P9).
W ! =
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"White"
Tr
Brightness on the "white" state
Brightness on the "black" state
Minimum Brightness of nine points (P1~P9).
Maximum Brightness of nine points (P1~P9).
"Black"
= 7mA, 50 KHz Frequency.
L
SPEC NO. M T 2 2 0W W 0 1 V. 0
PAG E
"White"
Tf
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