Canon GP-E2 Instruction Manual page 51

Turning the Receiver On
With the EOS 7D, you cannot append the shooting direction data to the
images. (It cannot use the receiver's digital compass.)
With certain cameras other than the EOS 7D, you also cannot append
the shooting direction data to the images. (They cannot use the
receiver's digital compass.) For details, refer to the camera's instruction
manual or Canon Web site.
With the EOS 7D, you can record the location information for when you
started movie shooting, but the location information cannot be displayed
with Map Utility. Check the location information on the camera.
With certain cameras other than the EOS 7D, you also cannot use Map
Utility to display the location information for when you started movie
shooting. For details, refer to the camera's instruction manual or Canon
Web site.
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