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Multiple Passes
25
GPL Commands
Most of the examples shown in this manual assume Graphics Mode and Free
Format Mode are turned on, although the examples will not always show the
^PY and ^F commands. The complete set of commands to turn Graphics and
Free Format Mode On, send GPL commands and data, then turn Free Format
and Graphics Mode Off are shown below:
^PY^- Turns on Graphics Mode
^F^- Turns on Free Format Mode
<data>^ Sample GPL Command sequences
^O^ Turns off Free Format Mode
^PN^- Turns off Graphics Mode
The above lines are typically entered into a file and sent to the printer, or are
written to the printer using a computer language such as BASIC or C with
Free Format and Graphics mode on.
The main reasons to turn Graphics mode off are:
• To print a large amount of non-GPL data.
• To reset the Code V to its default startup state.
• To send plot data to the underlying emulation.
The reamining chapters in this manual discusses how the GPL command
sequences should be formatted. For all subsequent examples in this manual,
the following conditions are assumed:
• The control panel displays ONLINE GRAPHICS.
• Graphics Mode is ON (^PY^-).
• The printer is in Free Format mode (^F^-).
Multiple Passes
A Graphics Pass may contain other GPL commands, including other ^M, ^U,
^V, and ^E commands. The printer does not begin printing a Graphics pass
until the Pass is terminated. After a pass is printed, the next pass begins at
the bottom of the printed Pass.
For example, the sequence of GPL commands
^M0101000A^M0101000B^M0101000C^- produces the same printed result
as ^M0101000ABC^- which prints:
whereas the three graphics Passes ^M0101000A^-^M0101000B^-
^M0101000C^- print: