Optoma EX765 - 4-8 Optical Performance Measure

Condential
4-11
EX765/EW766/EX765W/EW766W
Full white pattern
Full black pattern
4-8 Optical Performance Measure
Inspection Condition
- Environment luminance: 10 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 2 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure - Test equipment: Video generator- Test equipment: Video generator
- Test signal: analog 1024 x 768 @60Hz
2. Brightness
Procedure - Full white pattern
- Use CL100 to measure brightness values of
P1~P9.
- Follow the brightness formula to calculate
brightness values.
☼ Brightness Formula
Avg. (P1~P9)*1.1m
2
Criteria • 1300 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 • 1400:1• 1400:1 1400:1