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Enter HP-GL/2 Mode
Command
The Enter HP-GL/2 Mode command causes the printer
to interpret data as HP-GL/2 commands instead of PCL
commands. Three new parameters are added: one enables
stand-alone plotter mode (?%-1B), and the other two affect
the coordinate system and pen position when switching into
HP-GL/2 (?%2B and ?%3B).
?%#B
# = –1 - Stand-alone plotter mode (single context)
0 - Use previous HP-GL/2 pen position
1 - Use current PCL CAP
2 - Use current PCL dot coordinate system and
old HP-GL/2 pen position
3 - Use PCL dot coordinate system and the
current PCL CAP
Default = 0
Range = –1 to 3
HP-GL/2 mode remains in effect until a Start Raster
command (?*r#A), Reset (?E), UEL command
(?%-12345X), or power-on.
In stand-alone plotter mode (?%–1B), only a single context
can be used (HP-GL/2 and PCL cannot be merged on the
same page).
A value field of 1 or 3 sets the HP-GL/2 pen position and the
label carriage return point to the current PCL CAP. A value
field of 2 or 3 transfers the current PCL dot coordinate
system, including the PCL origin and axes; the coordinate
system thus established is independent of the positions of
P1 and P2.
This command cannot be executed from display functions
mode or within a binary data transfer. HP-GL/2 ingnores
this command.
Printer-Specific Differences 2-87