These are the escape sequences for the vt100 PF Keys.
\033 signifies octal 33, or Escape (ESC).
 
  KEY        SEQUENCE     MTS VISUAL EDITOR COMMAND
  PF  0      \033Op       update screen with changes
  PF  1      \033Oq       display 10 lines back
  PF  2      \033Or       copy data to work field
  PF  3      \033Os       display to line 1 of file
  PF  4      \033Ot       display forward 10 lines
  PF  5      \033Ou       insert work field at cursor
  PF  6      \033Ov       display to line 1000
  PF  7      \033Ow       display forward 1 line
  PF  8      \033Ox       execute work field as a command
  PF  9      \033Oy       display to end of file
  PF 10      \033OP       insert null lines
  PF 11      \033OQ       extend current line
  PF 12      \033OR       display to previous file location
  PF 13      \033OS       display 10 lines back
  PF 14      \033Om       copy data to work field
  PF 15      \033Ol       display to line 1 of file
  PF 16      \033OM       display forward 10 lines
  PF 17      \033On       insert work field at cursor
Cursor Keys
  Up         \033[A
  Down       \033[B
  Right      \033[C
  Left       \033[D
 
The vt100 keypad on the Macintosh looks like this:
 
 _______________________________________________________________________
|                 |                 |                 |                 |
| insert null     | extend current  | display to      | display 10      |
| lines           | line            | previous file   | lines back      |
|                 |                 | location        |                 |
|                 |                 |                 |                 |
| PF 10           | PF 11           | PF 12           | PF 13           |
|                 |                 |                 |                 |
|_________________|_________________|_________________|_________________|
|                 |                 |                 |                 |
| display forward | execute work    | display to end  | copy data to    |
| 1 line          | field as a      | of file         | work field      |
|                 | command         |                 |                 |
|                 |                 |                 |                 |
| PF 7            | PF 8            | PF 9            | PF 14           |
|                 |                 |                 |                 |
|_________________|_________________|_________________|_________________|
|                 |                 |                 |                 |
| display forward | insert work     | display to      | display to line |
| 10 lines        | field at        | line 1000       | 1 of file       |
|                 | cursor          |                 |                 |
|                 |                 |                 |                 |
| PF 4            | PF 5            | PF 6            | PF 15           |
|                 |                 |                 |                 |
|_________________|_________________|_________________|_________________|
|                 |                 |                 |                 |
| display 10      | copy data to    | display to      |                 |
| lines back      | work field      | line 1 of file  |                 |
|                 |                 |                 |                 |
|                 |                 |                 |                 |
| PF 1            | PF 2            | PF 3            | display forward |
|                 |                 |                 | 10 lines        |
|_________________|_________________|_________________|                 |
|                                   |                 |                 |
| update screen with current        | insert work     | PF 16           |
| changes                           | field at        |                 |
|                                   | cursor          |                 |
|                                   |                 |                 |
| PF 0                              | PF 17           |                 |
|                                   |                 |                 |
|___________________________________|_________________|_________________|
 
 
Some functions of the MTS visual editor are activated by control sequences.
Here is a list of them.
 
  CONTROL SEQUENCE       FUNCTION
 
  Control-E              Exit visual mode
  Control-C              Exit visual mode, work area in conversation buffer
  Control-Z              Cursor to end of line
  Control-B              Cursor to beginning of line
  Control-V              Cursor to work field
  Control-T              Cursor to top left of screen
  Control-K              Cursor to start of previous line
  Control-M              Cursor to start of next line (return)
  Control-H              Cursor to previous character (backspace)
  Control-I              Tab
  Control-D              Delete character at cursor
  Control-W              Delete word at cursor
  Control-X              Delete from cursor to end of line
  Control-A              Toggle insert mode
  Control-G              Rewrite line without current changes
  Control-L              Rewrite screen without current changes
  Control-R              Rewrite screen with current changes