Vizio L30e User Manual page 39

Snow appears on screen
Power is ON but no screen
image.
Wrong or abnormal colors
appear.
System is "locked" or not
responding.
Control buttons do not work.
Remote Control does not work
Duplicate or "Ghost" channels
located during scan
There appears to be image
quality issues.
Tips for High-Definition Users
Tips for Letterbox Content
Users
Version - 2/17/2005
Check your antenna connection.
Check TV / CATV selection.
Make sure the video cable supplied with the LCD display is
tightly secured to the video output port on the back of the
computer. If the other end of the video cable is not attached
permanently to the LCD display, tightly secure it to the LCD
display.
  A djust brightness and contrast.
If you are using a Macintosh older than G3, you will need a
Macintosh adapter.
Check Source settings.
If any colors (red, green, or blue) are missing, check the
video cable to make sure it is securely connected. Loose or
broken pins in the cable connector could cause an improper
connection.
Connect the LCD display to another computer.
In the unlikely occurrence, Via unplug/plug-in the AC power
cord to reset the monitor.
Press only one button at a time.
Make sure batteries are inserted correctly
Batteries could be weak.
Use the "Channel EDIT" function to "DELETE" duplicate or
unwanted channels from the database of active channels.
TV: For best image quality, "Standard Definition" TV should
be viewed as 4:3.
COMPONENT 480i: For best image quality the "YCbCr" Input
should be used.
The LCD TV is an ideal platform for viewing High Definition
Content.
Best Image Quality will be achieved by the DVI Input, then
YPbPr, then RGB.
For 720p usage, there is a special "1:1" mode which allows
the content to be displayed in its "TRUE" form as broadcast.
However, due to variances in broadcast practices, it is
possible some image distortions can occur. To use this mode
while viewing 720p content, press the "WIDE" key on the
remote control and select "1:1".
Letterboxed (or "Widescreen") versions of DVD movies are
most commonly formatted for standard 4:3 Televisions. The
LCD TV has the capability of expanding this content so the
entire screen is filled at the expense of image accuracy. To
use this function, press the "WIDE" key on the remote control
and cycle among the available options.
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VIZIO L30e User Guide