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VIZIO M420NV User Manual
Version 2/23/2010 69
www.VIZIO.com
General TV Problems Solution
The TV keeps shutting off
when I try to open the Quick
Menu
• Press and hold the Jag wheel for two (2) seconds to open the Quick Menu.
Holding it for too long will shut off the TV.
You can see a picture but you
cannot hear sound.
• Press Volume + (Up) on the remote control.
• Press MUTE on the remote control to make sure that MUTE is not ON.
• Check your audio settings. The audio may be set to SAP, or the speakers are set
to off.
• Check the audio connections of external devices that may be connected to the
HDTV.
The TV has pixels (dots) that
are always dark or colored.
• Your HDTV is manufactured using an extremely high level of precision technology,
however, sometimes some pixels of your HDTV may not display. Pixel defects
within industry specifications are inherent to this type of product and do not
constitute a defective product.
You see “noise” or “trash” on
the screen.
• When your HDTV’s digital capabilities exceed a digital broadcast signal, the signal
is up-converted (increased) to match your TV’s display capabilities. Up-converting
can cause noise or trash.
• If you are using an antenna, the signal strength of the channel may be low. Make
sure your antenna is connected securely to the TV and move the antenna around
the room or close to a window.
You switch to a different input
and the volume changes.
• The TV remembers the volume level from the last time you adjusted it. If the
sound level is higher or lower from another source, then the volume will change.
You switch to a different input
and the screen size changes.
• The TV remembers the viewing mode from the last time you used a particular input
(AV-1, AV-2, Component, HDMI and TV).
Tips for High-Definition Users.
• Your HDTV is an ideal platform for viewing High Definition Content.
• Best image quality will be achieved by HDMI. The next best is Component,
followed by Composite.
• Due to variances in broadcast practices, it is possible some image distortions can
occur.
Tips for Letterbox Content
Users.
• Some Letterboxed (or “Widescreen”) versions of DVD movies are formatted for
standard 4:3 Televisions. Your HDTV has the ability to expand this content so the
entire screen is filled at the expense of image accuracy. To use this function, press
ZOOM on the remote control to cycle among the options.
Remote Control
Problems
Solution
Remote control does not
work.
• Point the remote control directly at the remote sensor on your TV.
• Remove any obstacles between the remote control and the remote sensor.
• Replace dead batteries with new ones.
• Press the TV button on the top of the remote to return to the TV mode.
The remote control is not
working with my devices.
• Move closer to the device. The minimum operating distance is approximately 30
feet (9.1 meters).
• Point the remote control directly at the remote sensor on your device.
• Remove any obstacles between the remote control and the remote sensor.
• Replace dead batteries with new ones.
• Make sure you have pressed the correct device button at the top of the remote.