Canon PowerShot SX400 IS Black Manual (en)

Choose an image.
Press the [
][ ][ ] buttons 
to choose the image you want to 
view next.
Your chosen image is displayed 
in the center, surrounded by the 
next four candidate images.
For full-screen display of the center 
image, press the [
] button. To 
restore the original display, press 
the [
] button again.
Press the [
] button to 
restore single-image display.
Smart Shuffle is not available in the following cases:
There are less than 50 shots taken with this camera
An unsupported image is currently displayed
Images are shown in filtered display (= 132)