Canon Retinal imaging control Features Manual page 5

Click [Pair].
The images in the side-by-side alignment are recorded as a stereo image.
Click [Close]. The stereo mark is added to the thumbnails.
Adjust images
Apply the same effect to both images (zoom in, zoom out, or move)
Switch right and left images
Pair as stereo image. The stereo mark appears.
Unpair the images. The stereo mark disappears.
Manipulating Images in Stereo Display
Stereo mark
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