Television set having eyesight test function
A vision test, TV technology, applied in the direction of TV, color TV, color TV components, etc., to achieve the effect of increasing functions and meeting user needs
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[0021] Due to the difference between the screen shape of the TV and the E-character vision test form, if the E-character vision test form is directly displayed on a TV with a screen aspect ratio of 16:9, the screen size may not be enough. If the E-character array is arranged vertically and completely Show on the screen, just may not be able to reach the original size of special-purpose E character visual acuity test form, therefore, adopt the following mode to solve this problem in the embodiment of the present invention:
[0022] 1. Only display a line of E characters to be tested in the center of the screen;
[0023] 2. If scrolling display is adopted, scroll the E character array up and down, and finally fix a position so that the E character line to be tested is displayed in the center of the screen;
[0024] 3. When the 16:9 screen cannot completely display the E character array vertically, rotate the E character array 90 degrees clockwise or counterclockwise.
[0025] F...
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