How does the ireader reader enter the learning mode?

The method is as follows:

1. Click the calligraphy icon in the upper left corner of the reader's main screen to enter the book list interface.

2. Find the e-book to learn and double-click to open the readable interface.

3. Click the menu button on the reader to pop up the menu, select the learning mode option, and then open the learning mode to enter the learning mode.