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Key Reference 5
N9340A User’s Guide 89
Span
Activates the span function and accesses the
submenu of span functions. Pressing [SPAN] allows
you to change the frequency range symmetrically
about the center frequency. The frequency-span
readout describes the total displayed frequency
range. To determine frequency span per horizontal
graticule division (when the frequency scale type is
set to linear), divide the frequency span by 10.
Span
Allows you to enter a frequency span range value.
Key access: [SPAN]
Full
Changes the span to full span showing the full
frequency range of the analyzer.
Key access: [SPAN]
Zero
Changes the frequency span to zero. In this mode,
the current center frequency is displayed in the
time domain (the x axis is displayed in units of
time), like a conventional oscilloscope.
Key access: [SPAN]
Last Span
Changes the span to the previous span setting.
Key access: [SPAN]