GTCO Super L III - Users Guide User Manual

Page 53

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Super L III 53


Command Mode Basics

To enter GTCO CalComp by Turning Technologies Command Mode:

Send an ASCII CTRL-A (hex 01) character to Super L III. When Super L III receives the CTRL-
A, two things happen:

Digitizing stops and new coordinates are not generated. If Command Mode is
invoked during transmission of a coordinate, that coordinate transmission will be
completed.

Super L III sends a “>” (hex 3E) as a prompt to the commanding device. Super L III is
now ready to accept commands.

A command consists of two upper case ASCII letters or numbers followed by a delimiter.
The delimiter lets the Super L III know the command is complete. There are two kinds of
delimiters:

<CR> (carriage return, hex 0D): indicates end of current command and more
commands will follow. If the command just sent is valid, it will be carried out. The
Super L III then sends another > prompt and awaits the next command.

<ESC> (escape, hex 1B): indicates end of current command and no more commands
will follow. If the command is valid, it will be carried out. Then Super L III will exit
Command Mode and return to Digitizing Mode.

If you are entering several commands, end each one with a carriage return delimiter. After
each <CR>, the Super L III carries out the command and sends a new command prompt.

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