c
Select Light Source Mode, and then press the [ ] button.
d
Select the item you want to set, and then press the [ ] button.
Normal: Select this if you do not want to decrease the brightness.
This makes the target usage time approximately 20,000 hours.
Quiet: Select this if you are concerned about the noise made by the
fan, This sets the brightness at 70%. This makes the target usage time
approximately 20,000 hours.
Extended: Select this to extend the life expectancy of the light
source. This sets the brightness at 70%. This makes the target usage
time approximately 30,000 hours.
Custom: Select this to set the Brightness Level manually. When
Custom is selected, Constant Brightness is available.
e
When Light Source Mode is set to Custom, select Brightness
Level, and then use the [
][ ] buttons to set the brightness.
f
To maintain a fixed brightness, select Constant Brightness, and
set it to On.
a
• When Constant Brightness is set to On, you cannot change
the settings for Light Source Mode and Brightness Level.
When you want to change these settings, set Constant
Brightness to Off.
• When Constant Brightness is set to Off, the value for
Brightness Level changes depending on the current status of
the light source.
• There may be a margin of error in the Brightness Level.
• When the projector is used continuously for more than 24
hours, or when direct shutdown is used regularly, set Light
Source Calibration using the scheduling function. If this is
not set, the Constant Brightness function does not work.
s "Scheduling Function" p.113
Adjusting Projected Images
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