HP 8591C Manual do Utilizador descarregar pdf (Página 311)

100

101

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]

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,

(FREQUENCY)

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

COUPLE) or

fjFRE4UENCY_)

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