Keysight Technologies N9321C User Manual page 168

Key Reference
Sweep
Single Sweep
160
In zero span
Auto-coupled does not function when in a zero span. The sweep
time can only be set manually. The sweep time is selectable from 6
s to 200 s in zero span.
In FFT Mode
In FFT mode, the sweep time default is auto-coupled. The
submenu, sweep time is invalid in FFT mode.
Key access: Sweep
Sweep Pressing Sweep Single puts the analyzer in single-sweep mode.
Single Cont Press Sweep Single to initiate a sweep when in single-sweep mode.
Press Sweep Cont Performs one sweep after another as soon as it is
triggered. Pressing Preset (When Preset Type is set to Factory) sets
the sweep mode to continuous sweep.
Key access: Sweep
When the analyzer is in continuous sweep mode and not in a
measurement mode (MEAS > Measure Off), pressing Sweep >
Single Sweep will change the sweep setting to single sweep. It will
then begin a sweep after the trigger conditions are met. If the
analyzer is already in single sweep, pressing Sweep > Single Sweep
will execute a new sweep as soon as the trigger condition is met.
If average is on (TRACE > More > Average Number On), pressing
Sweep > Single Sweep will halt averaging of the current value, and
then continue averaging from the current count number when a
single sweep function triggers.
Key access: Sweep