DISPLAY METHOD OF INFORMATION DISPLAY DEVICE

摘要

The information display apparatus is equipped with: a display unit for displaying a plurality of choice items in the list form; a control unit for controlling an array of the choice items; and a track ball for instructing a coordinate signal. The choice items are displayed in a matrix array constructed of N rows M columns in which the choice items are sequentially arranged from an upper portion to a lower portion of said matrix array, and along right and left directions thereof; magnification is changed based upon a coordinate signal of the track ball along a Y-axis direction; a display screen is scrolled along right/left directions based upon a coordinate signal of the track ball along an X-axis direction; and the matrix array is changed based upon a number of rows to be displayed in correspondence with increased/decreased numbers of the rows.