SIGLENT
36 SSA3000X User Manual
key and the system will enter continuous sweep mode and sweep continuously if the trigger
conditions are satisfied.
If the instrument is in single sweep mode and a measurement function is on, press this key
and the system will enter continuous sweep mode and measure continuously if the trigger
conditions are satisfied.
In continuous sweep mode, the system will send a trigger initialization signal automatically
and enter the trigger condition judgment directly after each sweep.
Table 2- 16 Sweep Times
2.2.4.4 Sweep Mode
Sweep mode includes auto, sweep and FFT.
Auto Mode：When the sweep mode is auto-coupled, the analyzer selects the sweep mode
automatically between Sweep and FFT Mode.
Sweep Mode：Work in point-by-point scanning，slow and time-consuming, fits when RBW is more
than 10 kHz.
FFT Mode：Work in Parallel scans，fast and short time. This FFT mode is only available when RBW
is less than 30 kHz.
2.2.5 Trigger
The trigger type can be Free Run, Video or External.
2.2.5.1 Free Run
The trigger conditions are satisfied at any time and the analyzer generates trigger signals
continuously.
2.2.5.2 Video
A trigger signal will be generated when the system detects a video signal of which the voltage
exceeds the specified video trigger level.
Note: This function is invalid in Avg detection in zero span mode.
Trigger level
Set the trigger level in video trigger. At this point, the trigger level line (TL) and value are displayed
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