Draw an L letter on the screen to capture anywhere on a PDF file.

1. Draw an ‘L’ letter
2. Change the size of the box to select the area you want
3. Click the ‘Copy’ icon in the up-right corner of the box to capture the image
4. Long press on the picture and Drag it to: PDF, Study Notes, Other apps (in split screen mode).

You can also click the ‘Copy’ icon to save the image in your clipboard and paste it to your local files.