Canon EOS 7D - Manual (Page 174)

174
3 Setting Ratings
The total number of images with a given rating can be displayed up to 999. If
there are more than 999 images with a given rating, [###] will be displayed
for that rating.
Taking advantage of ratings
With [4 Image jump w/6] menu, you can display only rated images
and movies.
With [4 Slide show] menu, you can play back only rated images and
movies.
With Digital Photo Professional (provided software, p.282), you can
select only rated images and movies.
With Windows Vista and Windows 7, you can see each file’s rating as
part of the file information display or in the provided image viewer.