Canon Digital IXUS 990 IS User Manual page 105

Searching Images Using the Control Dial
Turn the control dial to quickly search images. You can also jump by the
shooting date.
Select an image.
If you set the single image playback and
turn the  dial quickly, the images will
display as shown on the left.
If you press the op buttons, you can
search images by the shooting date.
Pressing the m button restores the single
image playback.
Quickly Searching Images
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