Samsung YP-P3 User Manual page 22

USING THE TOUCH SCREEN (Continued)
Tapping twice
Tap on the touch screen twice.
Examples
1. Enlarging
2. Changing Music Play
Screen
3. Changing the font size
For some video ¿ les, the display size of the video playback may not be
changed.
NOTE
22 _ the basics
Enlarges the screen in video and picture view.
You can change the music play screen while
listening to music.
Enlarges the font size in text view.