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· [Save List]: This is optional. Press [Sweep]→[Save List] to save the current list
into the spectrum analyzer for future recalling.
· [Recall List]: This is optional. Press [Sweep]→[Recall List], and the list dialog
box will pop up, in which you can recall or delete the required list.
11 Triggering menu
It is applied to select the triggering mode under “Sweep” or “Measure”, including [Free Run], [Video], [External],
[Slope] and [Delay]. The user can select the corresponding triggering mode based on the needs.
· [Free Trigger]: When the previous single or continuous sweep finishes,
the next sweep or measurement is automatically triggered.
· [Video]: Set the trigger mode as [Video]. Once the input signal exceeds
the set video triggering level sweeping will be triggered. The trigger level
value can be set by the number keys, stepping keys or knob. The green
line on the screen indicates the selected trigger level.
· [External (TTL)]: Enable the [External] mode. Set the triggering level and
synchronize “Sweep” or “Measure” with next voltage cycle.
· [Slope]: Control the positive or negative polarity of level triggering. The
rising edge will be applied for triggering in the case of positive polarity, and
falling edge in the case of negative polarity.
· [Delayed]: The level triggering delay can be set. In this case, the
spectrum analyzer will wait for the delay time after receiving the external
trigger signal and before sweeping.