RIGOL
Chapter 4 Functions of the Front Panel of EMI
4-26 RSA3000E User Guide
6.
Scan Time
Sets the time to scan the selected scan range for one time.
7.
Auto Scan Time
Enables or disables the auto scan time function of the selected scan range.
When enabled, the instrument is configured with a scan time automatically.
When disabled, you can press Scan Time to manually set the scan time of the
selected range.
Besides, you can also tap the checkbox at the left side of scan time of the
selected range in the pre-scan setting list. If the checkbox is checked with a tick
"√" and highlighted, it indicates that auto scan time within the selected range is
enabled.
8.
RBW
Sets the RBW of the selected scan range. Reducing RBW can gain a higher
frequency resolution, but will also prolong the sweep time.
9.
Auto RBW
Enables or disables the auto RBW function. When enabled, the instrument is
configured with a RBW automatically. When disabled, you can press RBW to
manually set the RBW of the selected range.
Besides, you can also tap the checkbox at the left side of RBW of the selected
range in the pre-scan setting list. If the checkbox is checked with a tick "√" and
highlighted, it indicates that auto RBW within the selected range is enabled.
10.
Filter Type
Sets the RBW filter type in the selected range to "Gauss" or "EMI".
When the EMC measurement standard is "CISPR", the Filter Type menu is
grayed out and disabled. By default, EMI filter is selected. When "EMI" is
currently selected, resolution bandwidth can only be 200 Hz, 9 kHz, 120 kHz, or
1 MHz. When the EMC measurement standard is "None", the default filter is
"Gauss".
11.
Attenuation
Sets the attenuation value of the selected scan range.
12.
Auto Att
Enables or disables the auto attenuation function of the selected scan range.
When enabled, the instrument is configured with an attenuation value
automatically. When disabled, you can press Attenuation to manually set the
attenuation value of the selected range.
Besides, you can also tap the checkbox at the left side of attenuation of the
selected range in the pre-scan setting list. If the checkbox is checked with a tick