User`s guide
Table Of Contents
- Overview
- Getting Started
- System Setting
- Making Measurements
- Measuring Multiple Signals
- Measuring a Low-Level Signal
- Improving Frequency Resolution and Accuracy
- Making Distortion Measurements
- One-button Power Measurement
- Making a Stimulus Response Transmission Measurement
- Measuring Stop Band Attenuation of a Low-pass Filter
- Making a Reflection Calibration Measurement
- Measuring Return Loss Using the Reflection Calibration Routine
- Making an Average Power Measurement
- Key Reference
- SCPI Command Reference
- Error Messages
- Menu Map
5Key Reference
102 N9340A User’s Guide
Marker To
Accesses 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. This function is not
available in zero span.
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 allow you to
change the active marker readout mode.
•Normal
Activates the default readout mode.
• Freq Count
Activates a frequency counter mode.
NOTE
When the frequency scale is in log mode, the center
frequency is not at the center of the display.
NOTE
Frequency counter is only effective on CW signals or discrete
peaks. For a valid reading, the marker must be greater than
25 dB above the noise.
The Freq Count function is not supported when Marker Delta
is selected.