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Common Analysis and Display Functions

R&S

FSW

541User Manual 1173.9411.02 ─ 43

CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:RESult? on page 1194

n dB down Marker State..............................................................................................541

n dB down Value......................................................................................................... 541

n dB down Marker State

Activates or deactivates the special n dB down marker function.

Remote command:

CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:STATe on page 1194

CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:RESult? on page 1194

n dB down Value

Defines the delta level from the reference marker 1 used to determine the bandwidth or

time span.

Remote command:

CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:FREQuency? on page 1193

CALCulate<n>:MARKer<m>:FUNCtion:NDBDown:TIME? on page 1195

9.3.4.5 Fixed Reference Marker

Access: "Overview" > "Analysis" > "Marker Functions" > "Reference Fixed"

Or: [MKR FUNC] > "Select Marker Function" > "Reference Fixed"

Instead of using a reference marker that may vary its position depending on the mea-

surement results, a fixed reference marker can be defined for trace analysis. Once

positioned, the reference marker does not move during subsequent sweeps unless you

explicitely move it manually.

When you select this marker function, a vertical and a horizontal red display line are

displayed, marked as "FXD". A normal marker is activated and set to the peak value

and a delta marker to the next peak. The fixed reference marker is set to the position of

the normal marker at the peak value. The delta marker refers to the fixed reference

marker.

Marker Usage

R&S FSW Series User Manual

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