Vizio D28h-C1 User Manual (English) - Page 60
Volume Up/Down, Changing the Screen Aspect Ratio, Adjusting the Picture Settings
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Troubleshooting & Technical Support A The TV has pixels (dots) that are always dark. • Your HDTV is precision-manufactured using an extremely high level of technology. However, sometimes pixels may not display correctly. These types of occurrences are inherent to this type of product and do not constitute a defective product. The display image does not cover the entire screen. • Some programs have black bars on the top or sides of the picture so that the picture keeps its original shape. Examples include wide-screen movies and older television programs. • Press the WIDE button on the remote to change the width of the image. See Changing the Screen Aspect Ratio on page 21 for an explanation of each option. • Adjust the video settings of the device that is the source of the video (Blu-ray player, DVD player, cable or satellite box, etc.). When I change input source, the display image changes size. • The TV remembers the viewing mode on each input source. If the viewing mode on the new input source differs from the one on the input source you switch from, the difference may be noticeable. • See Adjusting the Picture Settings on page 22. There is no sound. • Press Volume Up on the remote control. • Press the MUTE button on the remote to ensure mute is off. • Check the audio settings. See Adjusting the Audio Settings on page 31. Ensure that the speakers are set to On. • Ensure no headphones are connected to the TV. • Check the audio connections of external devices (Blu-ray player, game console, cable/satellite box) that are connected to the TV. • If you are using an antenna, the signal strength of the channel may be low. Ensure your antenna is connected securely to the TV and move the antenna around the room or close to a window for the best signal. When I change input source, the volume changes. • The TV remembers the volume level on each input source. If the volume level on the new input source is higher or lower than the level on the source you switch from, the difference may be noticeable. • Use the Volume Up/Down buttons on the remote to adjust the volume. 54