13 Troubleshooting
13.1 Although the PLAY button is pressed,
the Player has no display on its LCD.
13.2 Causes & Treatment: The battery has
no power. Please connect the Player
to a PC or the external charger to
charge the battery.
13.3 When the Player is turned on, it has
no actions to any keystrokes.
13.4 Causes & Treatment: The buttons of
the Player are locked. Turn the HOLD
button to unlock the buttons.
13.5 When playing files, the Player has no
sound.
13.6 Causes & Treatment: The volume is