Canon EOS-7D Instruction Manual page 50

Viewing Images
Still photo playback screen
Note that due to the performance of computers and smartphones, or
browsers used, the following may occur: Images cannot be displayed,
images are displayed slowly, or images cannot be downloaded to the
devices.
50
Download images.
4
When you select a thumbnail, the
image is displayed at a larger size.
Press [
Press [
previous or next image.
Press [
viewing screen.
] to download the image.
] or [ ] to display the
] to return to the image
Movie playback screen