14
Trigger Type
-
Press
Sweep 3
then
Trigger Settings
then
Trig
Type
then choose from the following:
-
Free Run
- Triggering is provided by the FieldFox
internal circuitry. A new sweep begins when the
previous sweep ends.
-
External
- A sweep is triggered on an external TTL
signal at the Ref In/Trig In connector on the
FieldFox top panel.
-
Periodic
- sets a trigger that repeats at the period
rate entered.
-
Video
- A sweep is initiated when the amplitude of
an incoming signal crosses the settable trigger
level.
-
RF Burst
- A sweep is initiated when the signal at
the third IF (analog) stage crosses the settable
Trigger Level.
Acq Time
Use the Acq Time setting to adjust acquisition time
interval for each trace update in Density or Real-time
Spectrum measurements.
-
Press
Sweep 3
then choose
Acq Time
that affects
the quantity of information being captured during a
density or real-time spectrum measurement.
-
Auto
(default) - FieldFox chooses the optimum Acq
Time based on the span setting (default is 20 ms,
when span is set to full span).
-
Manual
- enables user settable acquisition time
values.
