During video playback, you can press the Up/Down button to adjust the volume.
Thumbnail View
When in Playback mode, press one end of the Zoom button
( 
) to display the thumbnail of photos and videos on the screen.
1.Use the Zoom button to switch between the 2x2, 3x3, and 4x4 thumbnail display.
2.Use Up/Down/Left/Right to select a photo or video clip to view.
If the 
indicator appears on the LCD, then a movie file is currently being displayed.
Press the 
button to restore a preview icon to its original image size.
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