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2. Enable automatic setting of the resolution bandwidth (Auto RBW) or EMC bandwidth
(Auto EBW).
3. Set the Fspan -> RBW function On or Off.
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 (Scan) Spectrum 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.
Setting the resolution / EMC bandwidth (RBW / EBW)
You selected the desired view.
To set the resolution / EMC bandwidth:
1. Tap the RBW / EBW button.
2. Enter the required value and select a unit.
The setting is accepted immediately and the dialog is closed.
Selecting the filter type
You selected the desired view.
To select the filter type:
1. 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 switch between Normal and EMC type.
Settings in the context menu
You selected the desired view.
Tap the RBW / EBW button.
The context menu opens.
Enabling/disabling the auto resolution bandwidth (Auto RBW /
Auto EBW)
Enable or disable automatic calculation of resolution bandwidth.
To set Auto RBW:
1. Tap the Auto RBW button to switch function On / Off.
2. Press the Esc key to close the context menu.
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