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 - 1300 :1
4. Uniformity
Procedure - Full white pattern
- Use CL100 to measure brightness values of P1~P9
(see image: full white pattern).
- Follow the Uniformity formula to calculate
average values.
☼ Uniformity Formula
ANSI Uniformity= Avg. (P1, P3, P7, P9) / P5 x100%
Criteria - 65 %
4-9 Others
1. Functional Inspection
Keypad button - All keypad buttons must operate
smoothly.
General - All OSD functions must be checked
for functionality. When OSD menu is
displayed, there shall be no visible
peaking, ringing, streaking, or smear-
ing artifacts on the screen.
Factory Default - The factory settings (with appropriate
centering, size, geometry distortion,
etc.) shall be displayed upon “Recall”
is selected from OSD
To Next Page
Loading...
