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PA
Plot Absolute
Moves the pen to a vector location on the spectrum analyzer screen relative to the reference
coordinates
(0,O)
in display units.
Syntax
x
Y
coordinate coordinate
/
\
/
\
number
XPA
Item
Description/Default
R=vze
Number
Any valid integer.
Within screen or
graticule coordinates.
Related Commands: CLRDSP, DSPLY, TEXT, PD, PLOT, PR, PRINT, PU.
Example
OUTPUT
718;"IP;BLANK
TRA;"
Initializes the spectrum analyzer and
blanks
trace A.
OUTPUT
718;"ANNOT
0FF;GRAT
OFF;"
Clears the spectrum analyzer screen.
OUTPUT
718;"PU;"
Fen
up.
OUTPUT
718;"PA
100,100;PD
100,150;"
PU
and PA commands prevent an initial
vector
from
being drawn before the pen is
positioned at (100, 100). PD draws a vector
to (loo, 150).
OUTPUT 718;"150,150,150,100,100;"
Draws the last three sides
of
the rectangle.
Description
The vector is drawn on the screen if the pen-down (PD) command is in effect. If the pen-up
(PU) command is in effect, the vector does not appear on the screen.
Display units are the scaling units of the spectrum analyzer display for on screen graphics
commands such as PA or PR. One display unit is the distance between two points along an the
x or
Q
axis. For the HP 8590 Series spectrum analyzer, there are a maximum of 511 display
units (-40 to 471) along the x axis and 255 display units (-22 to 233) along the y axis. See
Figure 5-8.
5-412
Programming Commands