System Commands 5
ACQUISITION
TRIG_COUPLING, TRCP
Command/Query
DESCRIPTION
The TRIG_COUPLING command sets the coupling mode of the
specified trigger source. The trigger slope is automatically changed
to positive when the trigger coupling is set to HFDIV.
Note: HFDIV is indicated as HF on the front panel. See the Oper-
ator’s Manual, Section 5 (9424) or Section 6 (9450/20).
The TRIG_COUPLING? query returns the trigger coupling of the
selected source.
COMMAND SYNTAX
<trig_source>:TRig_CouPling <trigcoupling>
9410114/30 9420/50 9424
9424E
<trig_source> :=
{C1 ,C2,EX,EX10}
{C1 ,C2,EX,EXIO} {Cl ,C2,C4} {c1 ,C2,EX}
<triLcoupling> := {AC, DC,HFREJ,LFREJ} {AC,DC,HFREJ,LFREJ,HFDIV}
QUERY SYNTAX
Response format
EXAMPLE (GPIB)
RELATED COMMANDS
<trig_source>:TRig_CouPling?
<trig_source>:TRig_CouPling <trig_coupling>
The following command sets the coupling mode of the trigger
source Channel 2 to high frequency reject.
CMD$="C2:TRCP HFREJ": CALL IBWRT(SCOPE%,CMD$)
TRIG SELECT
149
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