Optoma EW330 - Other

EX330/EW330/EX330(1W)/EW330(1W) Condential
4-10
x 100%
- Follow Contrast formula to calculate contrast
values.
☼ Contrast Formula
P5/B5
note: P5=center of white image
B5=center of black image.
Criteria
- 1000:1(for EX330/EX330(1W))
- 550:1 (for EW330/EW330(1W))
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
ANSI Uniformity = Avg. (P1, P3, P7, P9)
P5
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 smearing
artifacts on the screen.