1) List of saved Camera positions.
2) Save the current rendering camera position. by clicking this button (#2) the current position will be saved. A random name will be used and listed!
3) Browse the saved cameras information. Clicking this button will display a text file for all saved cameras information. You might need to rename a position to something you can remember (i.e. side_view, top_view) instead of the random names. Modify then save the text file. The new names will be shown once you click the refresh button!
4) The refresh button: After modifying the saved cameras txt file you need to click fresh button to apply the modifications.