User Manual
17
Explanations
<center frequency> is used with <frequency span> together.
Example
:FUNCtion:SWEep:CENTrefreq 1000 sets the center frequency of sweep
as 1000Hz
29. :FUNCtion:SWEep:SPAN
Syntax
:FUNCtion:SWEep:SPAN?
:FUNCtion:SWEep:SPAN{<frequency span>}
Function
Query/set the frequency span for the sweep.
Explanations
Example
:FUNCtion:SWEep:SPAN 500 sets the frequency span of sweep as 500Hz
30. :FUNCtion:SWEep:SOURce
Syntax
:FUNCtion:SWEep:SOURce?
:FUNCtion:SWEep:SOURce {INTernal|EXTernal|MANual}
Function
Query/set the source for the sweep.
Explanations
INTernal: always sweep from the start frequency to the stop frequency.
EXTernal: sweep once when there is an external trigger (if the period of the
trigger signal is shorter than the sweep time, the sweep cannot be done
once).
MANual: choosing manual trigger; in Sweep interface, press the
knob on the front panel (or send a trigger command) to sweep
from the start frequency to the stop frequency once.