Canon PowerShot G9 - Manual (Page 177)

Playback/Erasing 175
You can select the transition effect displayed when switching between
images.
Playback with Transition Effects
No transition effect.
The displayed image darkens and the next image gradually brightens
until it is displayed.
Press the
button to have the previous image display from the left
and the button to have the next image display from the right.
1
Select [Transition].
1. Press the button.
2. Use the or button to select
in the menu.
2
Make settings.
1. Use the or button to select ,
or .
2. Press the button.