Patent ID: 6915488

Claim:
A display device system for driving a display having one of a plurality of predetermined sizes to instruct an operator in operation of an input device having operation input portions arranged in a horizontal direction corresponding to a horizontal display direction and at predetermined input portions spacings, the display device system comprising: a display device for displaying an operation instruction picture on the display showing: an operation instruction area having operation instruction indicators which indicate to the operator operations of the operation input portions to be executed and which are arranged in the horizontal direction over a width of the operation instruction area in a one-to-one correspondence with the operation input portions of the input device; and a plurality of scale indicators corresponding respectively to said plurality of predetermined sizes of the display device; and a control device responsive to an operator input selecting one of said plurality of scale indicators, corresponding to the display, for adjusting only a width of the operation instruction area in the horizontal direction such that spacings of the operation instruction indicators on the display substantially equal the predetermined input portions spacings of the operation input portions and such that the width of the operation instruction area substantially equals a width range of the arrangement of the operation input portions.