Settings
The following settings are available:
Snap history
Each time a image (snap) is created via the camera icon it is saved in the lower left hand side of the window, the amount which are kept can be controlled by selecting one of the three options.
Markup history
Each time an image is saved, via export, mail or clipboard, it will also be saved in the lower right hand side of the window, the amount which are kept can be controlled by selecting one of the three options.
Force software rendering
If your graphics hardware is unable to display the toolbar icons enable this option.