Optical Performance Measure - Optoma EP720 Family Service Manual

Inspection item
Inspection Distance
Criteria

4-8 Optical Performance Measure

Inspection Condition
- Environment luminance: 5 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.38 M
- Screen Size: 60 inches diagonal
- Reset to default before measurement
1. Test equipment
Procedure
2. Brightness
Procedure
Criteria
- Audio performance test
- 1.8M ~2.5M
- Check the sound from speakers
- Check "Volume" is normal
- Check "Mute" is normal
- Test equipment: video generator.
- Test signal:analog 800 x 600@60Hz(EP720 analog 800 x 600@60Hz(EP720
- 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
- 880 lumen
Family)
1024x768@60Hz(EP726
Family)

EP720 Family/EP726 Family
Confidential
4-