
ST2883 Series Operation Manual Chapter 8 SCPI Command reference
8-19
8.4.9 TRIGger subsystem commands
The TRIGger subsystem command group is used to trigger a measurement or to set the trigger mode. Figure 8-10
shows the TRIGger subsystem command tree.
TRIGger
[:IMMediate]
:SOURce MAN
EXTernal
INTernal
BUS
Figure 8-10 TRIGger subsystem command tree
The [:IMMediate] command triggers a measurement.
Command syntax: TRIGger[:IMMediate]
For example: WrtCmd( “TRIG” )
;
NOTE: The TRIGger[:IMMediate] command, available only in the <MEAS DISP> page, will be ignored
when ST2883 is in the testing state. The trigger mode must be set to BUS mode, or this command will be
ignored. This command is only used to trigger the test of DUT. Refer to Standard WAVE subsystem
commands for the details of triggering standard waveform test.
The :SOURce command sets the trigger mode. The :SOURce? query returns the current trigger mode.
Command syntax:
MAN
TRIGger:SOURce
EXTernal
INTernal
BUS
Where,
MAN
Triggered by pressing the START button or using foot control switch
EXTernal Triggered
by the HANDLER interface.
INTernal Automatically triggered after pressing the START button.
BUS Triggered by RS232 interface, USB or LAN interface.
For example: WrtCmd(“TRIG:SOUR BUS”); set to bus mode.
Query syntax: TRIGger:SOURce?
Return format:
Man
Int
<NL^END>
Ext
Bus