R&S FSH Setting the Frequency
1309.6275.12 4.3 E-2
Entering the center-frequency step size
Press the CF STEPSIZE key.
A submenu above the softkey label opens. The box contains various step size setting options.
With 0.1 x SPAN
(default setting), the step size is
equal to 10 % of the span (= 1 division on the vertical
scale).
With = CENTER,
the step size is equal to center
frequency. This setting is ideal for measurements on
harmonics. On each frequency increment, the center
frequency moves to the next harmonic.
With MANUAL...
you can select any step size. This
makes it easy to investigate spectra with frequencies
at constant intervals.
Make the selection you want with the rotary knob
or the cursor keys and terminate with the ENTER
key.
If you select "0.1 x SPAN" or "= CENTER", the R&S FSH makes the setting directly itself. If you select
"MANUAL...", the value entry box opens and indicates the current step size.
Using the rotary knob, the cursor keys or numeric entry, change the step size.
When you have entered the step size you want, confirm by pressing the ENTER key or by pressing
the CF STEPSIZE softkey.
Entering the start and stop frequency
Press the START FREQ softkey.
The value entry box for the start frequency opens. The box displays the current frequency.
Enter a new start frequency with the number keys and terminate the entry with one of the unit keys
or
Adjust the start frequency with the rotary knob or the cursor keys and terminate the entry with the
ENTER key.
The R&S FSH sets the new start frequency. The x axis labelling changes from CENTER and SPAN to
START and STOP.
Press the STOP FREQ softkey.
The R&S FSH opens the value entry box for the stop frequency. The box indicates the current
frequency.
Enter a new stop frequency using the number keys and terminate the entry with one of the unit
keys, or
Adjust the stop frequency with the rotary knob or the cursor keys and terminate the entry with the
ENTER key.
The new stop frequency is now set on the R&S FSH.
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