336 Chapter5
Language Reference
SENSe Subsystem
Spectrum—Sweep (Acquisition) Time Auto
[:SENSe]:SPECtrum:SWEep:TIME:AUTO OFF|ON|0|1
[:SENSe]:SPECtrum:SWEep:TIME:AUTO
Select auto or manual control of the sweep (acquisition) time. This is an
advanced control that normally does not need to be changed.
Auto - couples the Sweep Time to the Frequency Span and
Resolution BW
Manual - the Sweep Time is uncoupled from the Frequency Span
and Resolution BW.
Factory Preset
and *RST: Auto
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
Spectrum—Trigger Source
[:SENSe]:SPECtrum:TRIGger:SOURce
EXTernal[1]|EXTernal2|FRAMe|IF|LINE|IMMediate|RFBurst
[:SENSe]:SPECtrum:TRIGger:SOURce?
Select the trigger source used to control the data acquisitions.
External1 - front panel external trigger input
External2 - rear panel external trigger input
Frame - internal frame timer from front panel input
IF - internal IF envelope (video) trigger
Line - internal line trigger
Immediate - the next data acquisition is immediately taken (also
called free run)
RF Burst - wideband RF burst envelope trigger that has automatic
level control for periodic burst signals
Factory Preset
and *RST: Immediate (free run)
RF burst, for GSM, iDEN mode
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.
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