Optoma EP783 - Optical Performance Measure

EP783/EP783S/EP783L/OPX5000/TX783L/TX783S
Condential
4-9
4-10 Optical Performance Measure
Inspection Condition
- Environment luminance: 10 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.44 M
- Screen Size: 60 inches diagonal
- Reset to default before measurement
1. Test equipment
Procedure - Press “Power→Left→Left→Up”.
- Select “Spoke Test”
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 - 2200 ANSI lumen
3. Ful 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 ( see image: full
white)
- Follow Contrast formula to calculate contrast values.
☼ Contrast Formula
P5/B5
note: P5=center of white image
B5 = the center of black image.
Criteria - 700:1