User`s guide

5Key Reference
128 N9340B User’s Guide
SPAN
This hardkey accesses the softkey submenu of span
functions. Pressing [SPAN] allows you to change the
frequency range. The frequency- span readout
describes the total displayed frequency range. To
determine frequency span per horizontal graticule
division (when in linear frequency scale type),
divide the frequency span by 10.
Span
Key access: [SPAN] > {Span}
Enter a frequency span range value.
Full
Key access: [SPAN] > {Full}
Changes the span to the full frequency range of the
analyzer.
Zero
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.
Last Span
Key access: [SPAN] > {Last Span}
Changes the span to the previous span setting.
Demod
Key access: [SPAN] > {Demod}
Accesses the menu keys to select AM demodulation,
FM demodulation or demodulation Off. It also
accesses the Speaker Vol, and Delay Time menu keys
described below.