How to Adjust Screen Brightness in PDF Reader Pro for Android?

Setting screen brightness is a way to protect your eyes in different reading environments. And you can do as follows:

1. Open a file and enter the reading page;

 1. Click More icon ic-more ;

2. If you turn on Auto Brightness, your reading background brightness will follow system brightness;

3. If you want to adjust the brightness, you can slide the brightness bar, and Auto-Brightness will turn off automatically.

8. How to Adjust Screen Brightness in PDF Reader Pro for Android_

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