Optoma HD21 - Calculate W-factory

Condential
4-11
HD20/HD200X/HD2200/HD20LV/HD21/HD23
Full white pattern
4-10 Calculate W-factory
After changing main board or blower, please do
“Calculate W-factory” by steps below:
(1) Plug power cord in projector.
(2) Hold “Left” button, press “Power” button. Continue
holding “Left” button until both Temp LED and Lamp LED
light on red. Then release “Left” button, the projector will
power on.
4. Uniformity
Procedure - Full white pattern
- Use CL100 to measure brightness values of
P1~P9 (see image: full white).
- Follow the Uniformity formula to calculate
average values.
☼ Uniformity Formula
JBMA Uniformity = Avg. (P1, P3, P7, P9)
P5
Criteria • 70%
X100%