Acer H7530D - Page 85

Condential
4-11
H7530/H7530D
Full black pattern
- Follow the brightness formula to calculate
brightness values.
☼ Brightness Formula
Avg. (P1~P9)*1.1m
2
Criteria • 900 ANSI lumen
3. Full On/Full Off Contrast
Procedure - Full white pattern & full black pattern
- Use CL100 to measure brightness values of full white
pattern P5 & full black pattern B5
- Follow Contrast formula to calculate contrast values.
☼ Contrast Formula
P5/B5
Note: P5=center of white image
B5 = the center of black image.
Criteria • 1600: 1 (for H7530)
• 16000: 1 (for H7530D)
4. Uniformity
Procedure - Full white pattern
- Use CL100 to measure brightness values of P1~P9
(see image: full white).
- Follow the Uniformity formula to calculate
average values.
☼ Uniformity Formula
JBMA Uniformity = Avg. (P1, P3, P7, P9)/P5X100%
Criteria • 65%