Download ViewSonic VS12400 User guide

Sound Adjustment
The Sound adjustment enable user to
adjust volume, treble, bass, balance,
speaker output and surround setting.
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Press ᒵ൐ key on the control panel or Ҭᓃ key on the
remote control to view OSD menu.
Press ST key to select [Sound] mode.
Press WX or +/- key to enter sub-menu.
Press WXNH\WRVHOHFW6RXQG0RGH
In preset Audio Modes, it is allowed to adjust each subaudio-item setting. Press ST key to
select item and press WX key or +/- key to adjust setting.
ViewSonic
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VT2230-NT