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Row-Column Scanning Demonstration

Row-Column Scanning Demonstration.

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Row-Column Scanning Demonstration

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  1. Row-Column Scanning Demonstration To select the location marked by “X”, the individual activates a single switch. The rows are highlighted in sequence from top to bottom. When the row containing the “X” is highlighted, the individual activates the switch again. The locations in the selected row are highlighted in sequence from left to right. When the “X” location is highlighted, the individual activates the switch to select that location. X Click the left mouse button to start the demonstration.

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