Optical Performance Measure - Optoma EX542 Service Manual

4-10 Optical Performance Measure

Inspection Condition
- Environment luminance: 10.0 Lux
- Product must be warmed up for 5 minutes
- Distances from the screen: 1.95 M
- Screen Size: 60 inches diagonal
1. Test equipment
Procedure
2. Brightness
Procedure
Criteria
EX540/EX542/EX612/EX615/EX762/EX540I/EX542I/ES523ST/EW533ST
- Press "Power→ Left→ Left→ Menu" to get
into service mode 1.
- Select "Spoke Test"
- 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
• 1000 ANSI lumen
(for EX542/EX540/EX540I/EX542I/ES523ST/
EW533ST)
• 1400 ANSI lumen (for EX612/EX615/EX762)
2
Confidential
4-13