Spectrogram View
99
Setting the stop frequency (Fstop)
1.
Tap the
Fstop
button.
2.
Enter the required value and select a unit.
The setting is accepted immediately and the dropdown list is closed.
Setting the step width (Fstep)
1.
Long tap the
Fstart
button.
The context menu opens.
2.
Tap the
Fstep
button.
3.
Enter the step width and select a unit.
The menu is closed.
4.
Press the
Esc
key to close the context menu.
Setting the resolution / EMC bandwidth
(RBW / EBW)
Here you can do the following:
1.
Set the resolution bandwidth (
RBW
) or EMC bandwidth (
EBW
).
2.
Enable automatic setting of the resolution bandwidth (
Auto RBW
).
3.
Set the entry mode (
RBW Entry
).
4.
Select the filter type (
Filter Type
).
Normal and EMC filter types:
The normal filter types resolution bandwidth (
RBW
) or channel bandwidth (
CBW
) allows
you to select a narrow frequency range with the desired bandwidth from a wideband
spectrum and to suppress the remaining signal components.
In the task modes
Spectrum (Scan)
and
RT Spectrum
, it is possible to use
EMC
filters
instead of the normal filters. When using
EMC
filters the following bandwidths can be
selected: 10 Hz, 100 Hz, 200 Hz, 1 kHz, 9 kHz, 10 kHz, 100 kHz, 120 kHz, 1 MHz.
The available bandwidths also depend on the
Fspan
setting.
After selecting the filter type
EMC
, the text
RBW
or
CBW
is replaced everywhere in the
corresponding views by the text
EBW
.
Selecting the filter type
You selected the desired view.
To select the filter type:
1.
Long tap the
RBW
/
EBW
button. (The displayed button label depends on the currently
selected filter type.)
The context menu opens.
2.
Tap the
Filter Type
button to select
Normal
or
EMC
type.
3.
Press the
Esc
key to close the context menu.
