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R&S FSQ Signal Analyzer - Rohde & Schwarz

R&S FSQ Signal Analyzer - Rohde & Schwarz

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R&S <strong>FSQ</strong> Instrument Functions<br />

SELECT<br />

MARKER<br />

<strong>Analyzer</strong> Mode<br />

The SELECT MARKER softkey activates the numerical selection of the marker in<br />

the data entry field. Delta marker 1 is selected by input of ' 0 '.<br />

Remote command: CALC:MARK1 ON<br />

CALC:MARK1:X <br />

CALC:MARK1:Y?<br />

PEAK The PEAK softkey sets the active marker/delta marker to the peak of the trace. If no<br />

marker is active when MKR-> menu is called, MARKER 1 is automatically switched<br />

on and the peak search is performed.<br />

CENTER =<br />

MKR FREQ<br />

REF LEVEL =<br />

MKR LVL<br />

NEXT MIN<br />

NEXT MIN RIGHT<br />

NEXT MIN LEFT<br />

EXCLUDE DC<br />

EXCLUDE LO<br />

PEAK EXCURSION<br />

2. side menu<br />

AUTO MAX PEAK<br />

AUTO MIN PEAK<br />

Remote command: CALC:MARK:MAX<br />

CALC:DELT:MAX<br />

The CENTER = MKR FREQ softkey sets the center frequency to the current marker<br />

or delta marker frequency.<br />

A signal can thus be set to the center of the frequency display range, for example,<br />

so that it can then be examined in detail with a smaller span.<br />

The softkey is not available in the time domain (zero span).<br />

Remote command: CALC:MARK:FUNC:CENT<br />

Example<br />

A spectrum is displayed with a large span after PRESET. A signal off the center is to<br />

be examined in detail:<br />

[PRESET] R&S <strong>FSQ</strong> is set to the default setting.<br />

[MKR->] MARKER 1 is switched on and automatically jumps to<br />

the largest signal of the trace.<br />

[CENTER=MKR FREQ] The center frequency is set to the marker frequency. The<br />

span is adapted in such a way that the minimum frequency<br />

(= 0 Hz) or the maximum frequency is not<br />

exceeded.<br />

[SPAN] The span can, for example, be reduced using the rotary<br />

knob.<br />

The REF LEVEL = MKR LVL softkey sets the reference level to the current marker<br />

level.<br />

Remote command: CALC:MARK:FUNC:REF<br />

Operating Manual 1313.9681.12 - 01 4.73

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