Lenovo IdeaPad Y450 User Manual page 27

Chapter 2. Using your computer
Lenovo SlideNav bar:
Quick launch customized applications by the slide and release at the
Lenovo SlideNav bar when Lenovo SlideNav is installed.
OneKey Theater:
OneKey Theater will optimize the color and volume setting of your
computer, bringing you greater visual and aural impact when enjoying
movies.
Open Dolby function setup screen.
Mute/unmute the sound.
Increase computer volume.
Decrease computer volume.
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