Canon EOS Rebel T5i 18-55mm IS STM Lens Kit - Manual (Page 251)

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Q Quick Control During Playback
To rotate an image, set [51: Auto rotate] to [OnzD]. If [51: Auto rotate]
is set to [OnD] or [Off], the [b Rotate image] setting will be recorded to
the image, but the camera will not rotate the image for display.
Pressing the button during the index display will switch to the
single-image display and the Quick Control screen will appear. Pressing
the button again will return to the index display.
For images taken with another camera, the functions you can select may
be limited.
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