Tonghui TH2816B - Trigger Subsystem

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6.5.6 TRIGger Subsystem
The TRIGger subsystem command group is used to enable a measurement or a
sweep measurement, and to set the trigger mode and the trigger delay time. Figure
6-5 shows the command tree of the TRIGger subsystem command group.
TRIGger [:IMMediate]
:SOURce INTernal
EXTernal
BUS
HOLD或MAN
:DELay <value>
MIN
MAX
Figure 6-5. TRIGger Subsystem Command Tree
:IMMediate
The :IMMediate command causes the trigger to execute a measurement or a sweep
measurement, regardless of the trigger state.
Command Syntax
TRIGger[:IMMediate]
Example
WrtCmd(“TRIG”)
Note: This command is valid only on MeasDisplay, BinNo. Disp, Bin Count and
List Sweep page. On other pages this command will be ignored.
:SOURce
The :SOURce command sets the trigger mode. The :SOURce? Query returns the
current trigger mode.
Command Syntax
INTernal
TRIGger:SOURce EXTernal
BUS
HOLD/MAN
Where,
INTernal Internal trigger mode
EXTernal External trigger mode
BUS Bus trigger mode
HOLD/MAN Trigger hold (Manual trigger mode)
Example
WrtCmd(“TRIG:SOUR BUS”) Set bus trigger mode.
Query Syntax
TRIGger:SOURce?
Query Response
Returned format is: