How Do I Adjust Brightness in the App Reader?

To adjust the screen brightness in the reader, do the following

Tap the icon in the upper right hand corner

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Tap on "A" in the banner of the sub window that opens

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The brightness control is a slider bar. Moving to left dims the brightness and moving to the right increases the brightness.

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Adjust brightness slider and press "Close". The reader will now use the new brightness setting.

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