HP Cable Box 8591C manual Trdef

CATALOG VARIABLS

Spectrum Analyzer Mode Key Descriptions

Spectrum Analyzer Mode Functions

catalogs all of the variables saved in analyzer memory. Variables can be saved in analyzer memory by loading in a downloadable program from the memory card or defining a function using remote programming commands (VARDEF or

TRDEF)

Front-Panel Key Access [RECALL] or IsAvE_)

activates the center-frequency function to allow the selection of frequency that will be at the center of the screen.

Front-Panel Key Access (ml, [MEAS/USERj, or

( F R E Q U E N C Y )

changes the step size for the center frequency function. Once a step size has been selected and the center frequency function is activated, the step keys change center frequency by the step-size value. The step size function is useful

for finding harmonics and sidebands beyond the analyzer current frequency span. When auto-coupled, the center frequency step size is set to one graticule (10 percent of the span).

Front-Panel Key Access [AUTO C O U P L E ) or fjFRE4UENCY_)

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