Eiki EIP-WSS3100 Service Manual page 54

8. Optical Performance
Inspection Condition
- Environment luminance: 2 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 200mm~250 mm
- Screen Size: 87.2 inches diagonal
1). Test equipment
Procedure
2). Brightness
Procedure
Criteria
- Connect VGA IN port of Projector with VGA port
of Chroma by VGA cable, press "Menu" button,
get into OSD mode, the settings are as below:
- "Display mode" is "Bright", "Lamp Mode" is
"Standard" ,the "Format" is "16:10",
- 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)*2.20m
• 1370 ANSI lumen
2
Full white pattern
Confidential
4-6