Data communication apparatus with display of parallel operation of on-line and off-line modes

摘要

A data communication apparatus having an on-line mode and off-line mode and being capable of parallel operation of the on-line and off-line modes. The apparatus includes a display for displaying the operation state of the apparatus; a controller for controlling to selectively display the on-line operation state and off-line operation state on the display; a manual instruction unit for manually outputting a display change instruction to the controller; and an automatic instruction unit for automatically outputting the display change instruction to the controller; wherein the controller functions to perform display change in accordance with the display change instruction from the manual or automatic instruction unit.