
HELP:
Tektronix-4100 graphics terminal:

     Such as a Tektronix-4015, -4107, -4205, -4207 terminal.
     Full graphics functionality is supported on such a terminal.

ReGIS graphics terminal:

     Such as a GIGI, VT240, VT330, VT340 terminal.
     Following features are not supported on such a terminal:
     	o  Graphics input (GIN) or crosshair cursor.
     	o  Interactive layout utility.
     	o  Continuous font size and direction.
     	o  Screen saving or combination plot.

ANSI_protocol text terminal:

     Such as a VT100 terminal that observes ANSI escape protocol
     for alpha-cursor control and character renditions. Optional 
     character-level-resolution graphics is supported on such a
     terminal. In general, most of terminals including the 
     graphics terminals listed above are ANSI compatible.
