Optical Performance Measure - Optoma HD710 Service Manual

4-8 Optical Performance Measure

Inspection Condition
- Environment luminance: 5 Lux
- Product must be warmed up for 3 minutes
- Distances from the screen: 2.06 M
- Screen Size: 60 inches diagonal
- Reset to default before measurement
1. Test equipment
Procedure
2. Brightness
Procedure
Criteria
3. Ful On/Full Off Contrast
Procedure
- Enter service mode:Press "Power→Left→
Left→Up".
- 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
- 960 lumen (HD71/HD710)
- 550 lumen (HD75)
- Full white pattern & full black pattern
- Use CL100 to measure brightness values of full
2
HD71/HD710/HD75
Full white pattern
Full black pattern
Confidential
4-10