Canon EOS Rebel T3 18-55mm IS II Kit Instruction Manual page 181

The number next to the rating marks (l/m/n/o/p) can only go up to
999. If there are 1,000 or more images for a rating, [###] will be displayed.
Taking advantage of ratings
With the [4 Image jump w/6] option, you can display only the rated
images and movies.
With the [4 Slide show] option, you can playback only the rated
images and movies.
With Digital Photo Professional (provided software, p.270), you can
select only the rated images and movies.
With Windows Vista and Windows 7, you can see the rating with the file
information display or the provided image viewer.
3 Setting Ratings
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