Table 3-4 Function Key Codes
Key Octal Value of Code Sent or Received by VT100 Action The Terminal Would Take If Host Sent That Code
RETURN 015 Carriage return function
LINEFEED 012 Line Feed
BACKSPACE 010 Backspace function
TAB 011 Tab function
SPACE BAR 040 Deposit a space on the screen erasing what was there before.
ESC 033 The initial delimiter of an escape sequence – interpret the following character string from the host as a command, rather than displaying it.
DELETE 177 Ignored by the VT100
* The RETURN key can be redefined so that it issues 0158, 0128, (carriage return – line feed). The New Line feature in SET-UP mode provides this capability.