How to make a mark in the Cajviewer reader

1, with CAJ reader to open the Caj file to read.

2, on the toolbar, note the top three icons, respectively, are yellow, red, green. Yellow represents the main focus, red represents the deletion of the content, Green representative underline, can be identified as the secondary focus.

3, click the yellow icon, select the text.

4, click the Red icon, select the text.

5, click the green icon, select the text.

6. In this way, the whole article will become a clear focus, to facilitate our learning and understanding.