Uploaded February 2016 | Updated September 2026, 1 week ago
This video demonstrates how coded access to a symbol chart works. The colours are used to indicate the column or y-axis of the target symbol, and the numbers are used to indicate the row or x-axis. Note that the layout can be varied greatly and be made much more complex if required. The chart of codes can be accessed by direct touch, listener mediated scanning or eye pointing.
This video demonstrates how coded access to a symbol chart works. The colours are used to indicate the column or y-axis of the target symbol, and the numbers are used to indicate the row or x-axis. Note that the layout can be varied greatly and be made much more complex if required. The chart of codes can be accessed by direct touch, listener mediated scanning or eye pointing.
