R&S FSL Selecting the Frequency and Span – FREQ Key
1300.2519.12 4.5 E-11
Selecting the Frequency and Span – FREQ Key
The FREQ key is used to specify the frequency axis, and to set the frequency offset and the signal track
function. The frequency axis can be specified either by the start and stop frequency or by the center
frequency and the span.
To open the frequency menu
Press the FREQ key.
The frequency menu is displayed. The Frequency Center edit dialog box is displayed.
Menu and softkey description
– "Softkeys of the frequency menu" on page 4.7
To display help to a softkey, press the HELP key and then the softkey for which you want to display
help. To close the help window, press the ESC key. For further information refer to section "How to use
the Help System".
Tasks
– To specify the frequency axis by the start and stop frequency
– To specify the frequency axis by the center frequency and the span
– To specify the step size for the arrow keys and the rotary knob
– To modify the frequency axis by an offset
– To track signals (only possible if span >0)
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