8 Frequency Scan Measurement
Marker Function
Marker Function
Displays the menu keys that enable you to do marker related functions.
Key Path
Front-panel key
Notes Front panel only.
Initial S/W Revision A.07.00
Select Marker
Specifies the selected marker. The term “Selected marker” is used throughout this document to specify
which marker will be affected by the functions.
Key Path
Marker Function
Notes Front panel only. The selected marker is remembered even when not in the Marker menu and is used
if a Search is done or a Marker Function is turned on.
Preset Marker 1
State Saved Saved in instrument state.
Initial S/W Revision A.07.00
Measure at Marker
When the Measure At Marker key is pressed, the measurement will go to the frequency of the selected
marker and take a reading with each of the three detectors selected in the Detectors menu, using the
dwell times specified there, and then displays the readings in a window on the display, using the current Y
axis unit.
If more than one trace is turned on, you can put a marker on any of the traces in the scan display and do a
measure at marker.
Key Path
Marker Function
Remote Command
:CALCulate:FSCan:MARKer[1]|2|...|12:FUNCtion:MAMarker?
Example CALC:FSC:MARK3:FUNC:MAM? Performs a Measure at Marker function at Marker 3’s current
frequency and, when completed, returns the results of the measure at marker window in a query.
Notes This query command returns comma separated values for the 3 specified detectors and the frequency
value of the marker. The detector value is in the selected amplitude unit. If a Detector is off or if no
measurement has yet completed, –999.0 dBm will be returned.
The size of the return data array is fixed at 4. The elements are:
1. Detector 1 value ( if off, –999.0 dBm for backwards compatibility)
2. Detector 2 value ( if off, –999.0 dBm for backwards compatibility)
3. Detector 3 value ( if off, –999.0 for backwards compatibility)
4. Frequency of Marker
EMI Receiver Mode Reference 417
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