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2-10 User’s Manual
L550/L550D/L555/L555D
Front operation panel
In addition to the power button, four buttons are provided with some models.
Figure 2-6 Front operation panel
These buttons allow you to manage audio/video, run applications and
access utilities. Refer to the Front operation panel section in Chapter 4,
Operating Basics, for details.
Please handle your computer carefully to avoid scratching or damaging the
surface.
Play/Pause button Press this button to begin playing an audio CD, a
DVD movie or digital audio files. This button also
acts as a Pause button.
Previous button Press this button to advance to the previous
track, chapter or data.
Next button Press this button to advance to the next track,
chapter or data.
Mute button Press this button to turn the sound on and off.