Key Reference 5
N9342C/43C/44C User’s Guide 101
Frequency
Activates the center frequency function, and
accesses the menu of frequency functions. The
center frequency, or start and stop frequency
values appear below the graticule on the display.
Auto Tune
Key access: [FREQ] > {Auto Tune}
Activates the auto tune function to view the signal
automatically. analyzer performs peak search in
full span and set the marker frequency to center
frequency, and set appropriate reference level
according to the amplitude of signal. Then, the
RBW is set to 1 MHz and all auto coupled to
display the signal. The minimum detectable
amplitude is –50 dBm.
Center Frequency
Key access: [FREQ] > {Center Freq}
Activates the center frequency function, which
allows you to set the horizontal center of the
display to a specified frequency.
NOTE
When changing both the center frequency and the span,
change the frequency first since the span can be limited by
the frequency value.
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