Toshiba HDTV sets are programmed with picture resolution settings that allow you to adjust the video quality. A screen resolution of 1080 is the highest quality setting available. Standard definition TV is 480. You adjust picture resolution using the supplied remote control that comes with the Toshiba HDTV, which must be connected to a source signal such as cable TV or satellite service.
Press the "Menu" button on the Toshiba remote control and use the down arrow key to highlight "Picture" and press "Enter."
Select "Advanced Picture Settings" and use the down arrow key to highlight "Resolution+" and press "Enter."
Press the right arrow button to highlight "5" and press "Enter." The Toshiba then reverts to the main screen and the image you were prevously watching.