BenQ Home Series User Manual page 68

Light source mode
ECO Lowers brightness to extend the light source life and decreases the fan noise.
SmartEco Adjusts the light source power automatically depending on the content brightness level while optimizing display
quality.
• Auto power off
This function allows the projector to turn off automatically if no input signal is detected after a set period of time to prevent unnecessary waste
of light source life.
To set auto power off, go to System > Operation Settings > Power On/Off Settings, and select Auto Power off.
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