HP 7550A Emulation [KC-GL] (Mode 8)
7-99
1 = Printing System remains in mode A even when the IP instruction includes a nega-
tive parameter value.
Enhance Mode (bit 3)
This bit supports the enhance mode of HP 7550A and HP 758X plotters.
0 = Normal mode (HP 7550A standard mode and HP 758X emulation mode).
1 = Enhance mode (HP 7550A enhance mode and HP 758X standard mode).
The enhance mode should be turned on when the printing system uses the HP 758X
mode. The enhance mode affects the KC-GL IW (Input Window), OW (Output Win-
dow), and UC (plot User-defined Character) instructions as follows:
IW: User units are used for specifying the parameters in scaling.
OW: Window outputs are made in user units in scaling.
UC: Values for the pen control, increments in x- and y-coordinates, the width and height
of characters differ from the normal (non-enhance) mode as follows.
Page Orientation (bit 4)
This bit defines page orientation.
0 = Landscape
1 = Observes the FRPO C1 value.
Default Cursor Position (bit 5)
This bit defines the cursor position for the page at power-up.
0 = Upper-left corner of the page (X
min
, Y
max
)
1 = Lower-left corner of the page (X
min
, Y
min
)
Pen Selection
On an actual plotter, pen thickness and color are selected by physically installing pens.
On the printing system, the pen thickness is established with a PRESCRIBE command,
or by a simple front-panel operation.
Format
!R! FRPO Gn, xx; EXIT;
Parameters
n:
pen number:
1 = pen 1
2 = pen 2
3 = pen 3
4 = pen 4
5 = pen 5
6 = pen 6
Pen down Pen up x/y increment Char. width Char. Height
Normal mode ≥99 ≤ -99 -98 to +98 6 grids 16 grids
Enhance mode ≥9999 ≤ -9999 -9998 to +9998 48 grids 64 grids
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