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5
Key Reference
Marker To
Access the following marker function menu keys:
• To Center
Sets the center frequency of the analyzer to the
marker frequency. In Delta mode, pressing [Marker]
> {Marker To} > {To Center} sets the center frequency
to the marker delta value. The function is not
available in zero span.
When the frequency scale is in log mode, the center
N O TE
frequency is not at the center of the display.
Key Access: [MARKER] > {To Center}
• To Ref
Changes the reference level to the active marker
value, moving the marked point to the reference
level (top line of the graticule). In Delta mode,
pressing [Marker] > {Marker To} > {To Ref} sets the
reference level to the amplitude difference between
the markers.
Key Access: [MARKER] > {Marker To}
Mode
Accesses the following menu keys that allows you
to change the active marker readout mode.
• Normal
Active the default readout mode.
• Freq Count
Activates a frequency counter mode.
Frequency counter properly only on CW signals or discrete
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peaks. For a valid reading, the marker must be >25 dB above
the noise.
Freq Count function is not supported under Marker Delta
condition.
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N9340A User's Guide
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