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

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

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PU<br />

Pen Up<br />

Instructs the spectrum analyzer not to plot vectors on the spectrum analyzer screen until a PD<br />

comm<strong>and</strong> is received.<br />

Syntax<br />

( PU<br />

Related Comm<strong>and</strong>s: DSPLY, PA, PD, PLOT, PR, TEXT.<br />

Example<br />

OUTPUT 718;"IP;BLANK TRA;" Initializes spectrum anulyzeq blanks trace A.<br />

OUTPUT 718;"ANNOT 0FF;GRAT OFF;" Turns oflannotation, graticule.<br />

OUTPUT 718;"PU;" Prevents initial vector from king drawn.<br />

OUTPUT 718;"PA 100,lOO;PD 100,150;" Rxitions pen, pen down.<br />

OUTPUT 718;"150,150,150,100,100,100;" Draws remaining 3 sides of rectangle.<br />

Description<br />

The PU comm<strong>and</strong> is used before the comm<strong>and</strong>s PA (plot absolute), or PR (plot relative), to<br />

suppress drawing while moving to the starting point of a vector. It remains in effect until a PD<br />

comm<strong>and</strong> is received.<br />

5452 Programming Comm<strong>and</strong>s

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