The eye - protection mode of a projector is designed to reduce eye strain and provide a more comfortable viewing experience, especially during long - term use. The methods to enable this mode vary depending on the projector model and its built - in features, but there are some common approaches that users can follow.

　　For projectors with built - in smart systems, such as those running on Android or other operating systems, the eye - protection mode is usually accessible through the display or image settings menu. Start by navigating to the main settings menu of the projector using the remote control. Look for options related to "Display," "Picture," or "Image Settings." Within this menu, there may be a specific option labeled "Eye - Protection Mode," "Blue Light Filter," or something similar. Once you locate this option, simply select it to enable the mode. Some projectors may offer different levels of eye - protection, allowing you to adjust the intensity of the blue light reduction or other parameters according to your preference.

　　In projectors without a smart system, the eye - protection mode (if available) is often found in the advanced settings or the menu dedicated to image adjustments. Similar to the previous method, use the projector's remote control to enter the settings menu. You might need to explore sub - menus or use the "Advanced" or "Expert" settings option to find the eye - protection features. Some older projector models may not have a dedicated eye - protection mode but could have settings like "Color Temperature" that can be adjusted to reduce the blue light content. Lowering the color temperature value can make the image warmer and decrease the amount of blue light emitted, which in turn helps protect the eyes to some extent.

　　Another way to enable eye - protection - like features is through external software or apps if the projector supports connectivity with other devices. For example, if you are using a computer to display content on the projector, you can install blue light filter software on the computer. This software will adjust the color output of the computer's display, and when projected onto the projector screen, it will reduce the blue light reaching your eyes. Some projectors also support firmware updates, and manufacturers may introduce new features related to eye - protection in these updates. Regularly checking the manufacturer's official website for firmware upgrades and installing them as instructed can potentially add or enhance the eye - protection capabilities of your projector.

Read recommendations:

HW40 Home Cinema - HW Series Projector

What is the Appropriate Brightness Setting for a Projector?

Projector - Compatible Video Streaming Software