Samsung YP-T10JAUY-XAA - Manual (Page 13)

the basics _ 13
YOUR MP3 PLAYER
Power & Hold switch
Slide and hold in the opposite direction
of the arrow for power on/off.
Slide in the direction of the arrow to
lock the button functions.
Screen display
Reset Hole
If a player malfunction occurs,
press the reset hole with a pointed
object to re-initialize the system.