HP 8590 E & L Series Spectrum Analyzers and HP 8591C Cable TV ...

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
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
XPA