You can select the previous Onion skin depth from the Show Previous button in the Onion Skin toolbar. After the button is pressed, you have the possibility to choose from 4 options:
- No Previous Panels
- Previous Panel
- Previous Two Panels
- Previous Three Panels
To find more information, access the USER guide available through Google on one of the websites on the result list. The file you need to download is: storyboardPro_userGuide.pdf