Canon EOS-1D C Instruction Manual page 261

Using the <J> Button
Under [85:J/Kbutton function], if you set [Rating (J and K
disabled)] (p.334), you can press the <J> button to rate images/
movies during playback.
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 [32: Image jump w/6], you can display only images and
movies with a specific rating.
With [32: Slide show], you can play back only images and movies with
a specific rating.
With Digital Photo Professional (provided software, p.410), you can
select only images and movies with a specific rating.
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.
Set the <
1
J
Set [85:J/Kbutton function] to
[Rating (J and Kdisabled)].
Playback the image.
2
Turn the <5> dial to select the
image or movie to be rated.
Rate the image or movie.
3
Each time you press the <J> button,
the rating mark will change: l/m/
n/o/p/None.
To rate another image or movie,
repeat steps 2 and 3.
Setting Ratings
> button's function.
261