TIME CHART FORMING DEVICE

PURPOSE:To provide a time chart forming device having high editing work efficiency and capable of forming a time chart while checking a reference signal without executing signal rearranging work at the time of forming the time chart. CONSTITUTION:The time chart forming device is constituted of an input device 1 for inputting a command, an input part 2, a data processing part 3 for executing the inputted command and executing time chart data forming processing and display processing, a time chart storing part 4 for storing formed time chart data, a display pointer storing part 5 for storing the display start recording number or the like of data to be displayed on a display device 7, a reference signal storing part 8 for storing the signal name of a reference signal to be referred on a screen by a user and its display position, an output part 6 for displaying a message to a user and a time chart, and the display device 7. Even when the scrolling or the like of a screen is executed after setting up a reference signal from the input device 1, the display device 7 secures a fixed position on the screen and displays the reference signal.