Optoma HD21 - Optical Performance Measurement

Condential
4-10
HD20/HD200X/HD2200/HD20LV/HD21/HD23
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 • 600 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 ( see image: full
white)
- Follow Contrast formula to calculate contrast values.
☼ Contrast Formula
P5/B5
Note: P5 =Lux of center in full white pattern
B5 =Lux of center in full black pattern
Criteria • 1200:1
4-9 Optical Performance Measure
Inspection Condition
- Environment luminance: 10 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 2.39 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure - Press “Power→Left→Left→Up” to get into service
mode 1.
- Select “Spoke Test”
Full black pattern
Full white pattern