R&S FSL Selecting the Frequency and Span – FREQ Key
1300.2519.12 4.7 E-11
Softkeys of the frequency menu
The following table shows all softkeys available in the frequency menu. It is possible that your
instrument configuration does not provide all softkeys. If a softkey is only available with a special option,
model or (measurement) mode, this information is delivered in the corresponding softkey description.
Menu / Command Command
Center
Start
Stop
CF Stepsize 0.1*Span/0.1*RBW
0.5*Span/0.5*RBW
x*Span/x*RBW
=Center
=Marker
Manual
Frequency Offset
Signal Track Track On/Off
Track BW
Track Threshold
Select Trace
Center
Opens an edit dialog box to enter the center frequency. The allowed range of values for the
center frequency depends on the frequency span.
span > 0: span
min
/ 2
f
center
f
max
– span
min
/ 2
span = 0: 0 Hz
f
center
f
max
f
max
and span
min
are specified in the data sheet. To help analyze signals located at the end of the
frequency range, for R&S FSL models with an upper frequency limit of 6 GHz or less, the f
max
value is extended by 0.05 GHz for direct entry via the key pad. The preset and full span values
remain unchanged.
Remote: FREQ:CENT 100MHz
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