VIZIO M421NV User Manual
Settings Menu
Adjust various option including audio settings, tuner settings (e.g. channel scan), Parental Controls, and Date and Time.
Audio
Adjust audio options including balance, equalizer, and advanced audio settings.
Audio Mode
Choose from Flat, Rock, Pop, Classic or Jazz.
Balance
Adjust the sound to the left or the right.
Lip Sync
Lip Sync is designed to adjust the audio of the program being viewed so that it matches the movement of the lips of someone talking on the screen.
TV Speakers
Turn the internal speakers On or Off. You may want to turn the internal speakers off when listening to the audio through your Home Theater System.
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