User Guide for Vizio VU42LF
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Press the button to highlight the Backlight selection...Press the button to start adjusting the brightness of the Backlight and the menu page will disappear and be replaced by a small Backlight Indicator Bar so you can see the light level between the minimum and maximum available levels...Use the or button to adjust the level...
You should be able to see a picture...If you do not, make sure that all of the LCD HDTV connections are secure and you have selected the correct video input source...
Press the power button on the remote or on the side of the LCD HDTV...If you are using an antenna or cable connected through the DTV/TV CABLE/ANTENNA input, you can select TV directly by pressing the TV button on the remote, or by pressing the INPUT button on the remote or on the side of the LCD HDTV...If you are watching broadcasts through a cable or satellite set-top box connected by a Component (YPbPr) cable, select Component 1 or Component 2 directly by pressing the Component button on the remote, or by pressing the INPUT button on the remote or on the side of the LCD HDTV...