User Guide for Vizio VU42LF: 

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Chapter Summary: Turn off the power to the LCD HDTV and VCR or Video Camera...Using an audio cable (white and red connectors), connect the cable to the audio output connectors associated with the S-Video output on your VCR or Video Camera and connect the other end to the audio connectors associated with the AV1 input at the left hand side panel of the LCD HDTV...Select AV1 using the INPUT button on the remote or side of the LCD HDTV, or directly by pressing the AV button on the Remote Control...

User Guide for Vizio VU42LF Users also looked at: Page 52 - Video Input Setup The Setup menu operates in the same way for Video Inputs (Component and AV) as for the DTV/TV input in Section 4.2.1...The menu difference is that there is no icon along the top for TV adjustments... Page 39 - Sharpness The Sharpness adjusts the sharpness of the picture... Page 34 - Watching a TV Program 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... Before you start watching TV, please 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... Page 63 - Telephone & Technical Support VIZIO... 39 Tesla Irvine CA 92618 Tel: (949) 428-2525 Fax: (949) 585-9563... Page 58 - Picture-In-Picture (PIP) Mode DTV... MAIN... Your TV features PIP mode so you can watch two pictures at the same time...One picture is displayed as the full screen (main screen) and the other picture is displayed in a small window (sub screen...The sub-screen can be set to small or large...