346 Chapter5
Language Reference
SENSe Subsystem
Waveform—Trigger Source
[:SENSe]:WAVeform:TRIGger:SOURce EXTernal[1]|
EXTernal2|FRAMe|IF|IMMediate|LINE|RFBurst
[:SENSe]:WAVeform:TRIGger:SOURce?
Select the trigger source used to control the data acquisitions.
External 1 - front panel external trigger input
External 2 - rear panel external trigger input
Frame - internal frame timer from front panel input
IF - internal IF envelope (video) trigger
Immediate - the next data acquisition is immediately taken (also
called free run)
Line - internal line trigger
RF Burst - wideband RF burst envelope trigger that has automatic
level control for periodic burst signals
Factory Preset
and *RST: Immediate (free run), for Basic, cdmaOne, NADC, PDC
mode
RF burst, for GSM, iDEN mode
Remarks: To use this command, the appropriate mode should be
selected with INSTrument:SELect.