Key Reference 5
N9342C/43C/44C User’s Guide 109
Accesses the following menu keys that allow you to
change the active marker readout. This function is
only available in non- zero span.
Frequency
Sets the marker to Frequency. The default selection
in non- zero spans, displays the absolute frequency
of a normal marker or the frequency of the delta
marker relative to the reference marker.
Period
Sets the marker readout to Period. Displays the
reciprocal of the above frequency.
Time
Sets the marker readout to Time. The default
selection in zero span, displays the time interval
between a normal marker and the start of the
sweep or the time of the delta marker relative to
the reference marker.
Zoom In/Out
Key access: [MARKER] > {More} > {Zoom In}
Activates the marker zoom in/out function which
triggers a series of operation as below:
• Save current state as a backup state file.
• Set center frequency as current marker
frequency value.
• narrow the span to 1/10 as previous span.
• If RBW is set to Auto, the RBW will be coupled
with span automatically
If RBW is set to manual, the RBW will be nar-
rowed as 1/10.
Zoom out resume the state before Zoom in was
pressed.
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