COMPUTER DISPLAY SYSTEM WITH FAIL-SAFE BACK-UP DISPLAY FOR MANUAL WRITING

摘要

A computer display system connectable to a computer system includes a computer-driven display screen displaying information from the computer system. A manual display screen mounted to the computer-driven display screen displays information provided by a human operator. The computer-driven display screen is viewable from a line-of-sight in a first mode of operation, and the manual display screen is viewable from the line-of-sight in a second mode of operation.