IEEE-488 Reference
3-63
Table 3-14
TRACe command summary
Command Description
Power-up
defaults* SCPI Ref.
:TRACe|:DATA
:CLEar
:FREE?
:EGRoup <name>
:EGRoup?
:POINts <n>
:AUTO <b>
:AUTO?
:POINts?
:FEED <name>
:PRETrigger
:AMOunt
[:PERCent] <n>
[:PERCent]?
:READings <n>
:READings?
:SOURce <name>
:SOURce?
:CONTrol <name>
:CONTrol?
:FEED?
:DATA?
:TSTamp
:FORMat <name>
:FORMat?
Use :TRACe or :DATA as root command.
Clear readings from buffer.
Query bytes available and bytes in use.
Select element group (FULL or COMPact).
Query element group.
Specify size of buffer.
Enable or disable auto buffer sizing.
Query state of auto buffer sizing.
Query buffer size.
Select source of readings (SENSe[1], CALCulate[1], NONE.
Path to configure pre-trigger storage.
Path to specify number of pre-trigger readings.
Specify % (0 to 100) of buffer.
Query percentage.
Specify as a number.
Query number of readings.
Select pre-trigger source event (EXTernal, TLINk, BUS
or MANual).
Query pre-trigger source event.
Select buffer control mode (NEVer, NEXT,
ALWays or PRETrigger).
Query buffer control mode.
Query source of readings for buffer.
Read all readings in the buffer.
Path to select timestamp format for buffer readings.
Select timestamp format (ABSolute or DELTa).
Query timestamp format.
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3.22.1
3.22.2
3.22.3
3.22.4
3.22.5
3.22.6
3.22.7
*:SYSTem:PRESet and *RST have no effect on the commands in this subsystem.
Table 3-15
Trigger command summary
Command Description
Default
parameter SCPI Ref.
:INITiate
[:IMMediate]
:CONTinuous <b>
:CONTinuous?
:ABORt
Subsystem command path:
Initiate one trigger cycle.
Enable or disable continuous initiation.
Query continuous initiation.
Reset trigger system.
(Note 1)
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3.23.1
3.23.2
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