It has a 19" screen, and is capable of placing lines & points with a resolution of 4K x 3K.

There is no microprocessor in the 4015, it is implimented entirely in discrete logic, with sperate boards for display, character generation, and various communications options.

Most terminal settings are set with jumpers on the logic boards, but communications baud rate is set with a pair of thumb wheels on the back of the terminal.