This option is normally not enabled. When this option is disabled, the terminal is offline and cannot receive or send any data. This option determines whether the system acts upon or displays control codes that are received. The Display Option is normally only used for debugging purposes. This option controls how the system scrolls by default.
Normal mode scrolls data line by line.
This is also referred as Jump scrolling. The Smooth option causes the system to scroll data n pixels at a time. Smooth scrolling is much slower and requires a better video display adapter. This option determines how the system will display incoming data. In Realistic mode, the system updates the display after each byte or command received.