Optoma ZU920T User Manual page 58

USING THE PROJECTOR
Light Source Settings
Set up the light source to control the projector brightness.
Light Source Mode
Select a light source mode depending on the installation requirements. The available options are Normal, Eco
Mode, and Custom Power.
Custom Brightness
When the Light Source Mode is set to Custom Mode, set up the custom brightness level. Set up the
Constant Brightness to maintain the image brightness at a specified level. A special algorithm is designed to
compensate for the natural decay of brightness so that the image can be maintained at a fixed brightness
level.
Brightness Level: Adjust the brightness level from 30% to 100%.
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Constant Brightness: Enable to maintain the image brightness at the set brightness level. A special
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algorithm is designed to compensate for the natural decay of brightness so that the image can be
maintained at a fixed brightness level.
Note: When Dynamic Black or Extreme Black is turned on, only Normal of Light Source Mode is supported.
Shutter
Set up the shutter behavior.
Fade-In
This function allows the fading-in effect when turning off the shutter. The length of the fading effect can be
adjusted from 0.5s to 5s.
Fade-Out
This function allows the fading-out effect when turning on the shutter. The length of the fading effect can be
adjusted from 0.5s to 5s.
Startup
Select the shutter behavior when turning on the projector.
Shutter Off: Projector projects images normally after being powered on.
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Shutter On: Projector automatically turns on shutter after being powered on.
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Audio
Set up the projector audio.
Mute
Turn off or turn on the projector sound.
Volume
Adjust the projector audio volume level.
Security
Set up security verification to protect the projector.
Security
Select On to protect the projector with a password. If the user enters incorrect password three times, a
message will pop up warning that the projector shuts down in 10 seconds.
Security Timer
Specify the length of time the projector can be used without the password. Once the timer counts to 0, the user
must enter a password to use the projector. The timer restarts every time the projector is turned on.
Change Password
Change the projector password.
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