Light Source Information; Light Source Hour; Extending Light Source Life - ViewSonic PX749-4K User Manual

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Light Source Information

This section will provided a better understanding of your projector's light source.

Light Source Hour

When the projector is being used, the duration (in hours) of light source usage is
automatically calculated by the built-in timer.
To obtain the light source hour information:
1. Press
Menu
to open the OSD Menu and go to:
>
Light Source Hours Information.
2. Press
Enter
and the
3. Press
Exit
to leave the menu.

Extending Light Source Life

To prolong light source life, you can adjust the following settings in the OSD Menu.
Setting Light Source Mode
Setting the projector in Eco, Dynamic Eco, or SuperEco+ mode reduces system
noise, power consumption, and extends the light sources operational life.
Light Source Mode Description
Normal
Eco
Dynamic Eco
SuperEco+
To set the Light Source Mode, open the OSD Menu and go to: Advanced
Light Source Settings
Enter.
Setting Auto Power Off
This allows the projector to turn off automatically after a set period of time once no
input source is detected.
Open the OSD Menu and go to: POWER MANAGEMENT > Smart Energy >
Auto Power Off and press
Light Source Hours Information
Provides full light source brightness.
Reduces light source power consumption by 30% and lowers
brightness, and decreases fan noise.
Reduces light source power consumption by up to 70%
depending on the content's brightness level.
Reduces light source power consumption by 55% and lowers
brightness to extend the light source life and decreases the fan
noise.
>
Light Source Mode and press
to disable or adjust the time.
/
Advanced
page will appear.
/
63
>
Light Source Settings
>
to select and press

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