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VIZIO M421NV User Manual
Version 2/23/2010 19
www.VIZIO.com
Chapter 5 Using your HDTV for the first time
Select Input Source
Select the input source for your HDTV by pressing the INPUT button on the
remote control or the side of your TV. Pressing this button will cycle you
through the following options: TV, AV, Comp, HDMI-1, HDMI-2, HDMI-3,
HDMI SIDE, RGB, and Media.
Turn on your device and you will see a picture on your HDTV. If there is no
picture, make sure you have selected the correct input on your HDTV.
Note: If the selected device is RF connected, your HDTV must be in TV
mode and on either channel 3 or channel 4 matching the channel which
has been selected on the back of the VCR, Cable Box, External TV Tuner
or Satellite Receiver. Refer to Owner or User’s Manual of such equipment
for details.
Watching a TV Program
Before you start watching TV, make sure that any Cable, Satellite or off-air
antenna connections are secure. Also, verify that the power cord is plugged into a correctly grounded
electrical outlet or surge protector.
1. Press the power button on the remote control. The VIZIO logo on the front will light up white.
2. Select the input to which your device is connected that provides TV programming (e.g. TV, HDMI,
COMP).
Note: You should be able to see a picture. If you do not, make sure that all of your HDTV connections
are secure and you have selected the correct video input source. Each press of the INPUT button on the
remote control will cycle through the available inputs. Press the button until the input associated with the
device you want to view is shown.
3. When using the TV input, press the channel buttons on the remote control or press the Jag wheel
on the TV to launch the Quick Menu to change the channel. The channel buttons will not work if
you are watching a program using HDMI, Component, or AV inputs.
Note: If your HDTV is in TV mode, pressing CH+ and CH- will not work until a channel scan has been
been run. See Error! Reference source not found. on page 42.