Set these options to reflect your preferences concerning how to peruse differences.
When loading new files, go to first difference
When marked, position at the first difference when a new file comparison starts.
Go to next difference in files after copying to other side
When marked, position at the next difference item after copying the current item to the other side.
Limit "Next Difference Files" to current folder
When marked, the Next Difference Files 
command will only find files with the same parent folder.
Wrap around to first difference
When marked, position back at the first difference in the comparison after the end is reached.
Show message panel
When unmarked, suppress the message panel (and beep) when a difference is not found.