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Trigger
NOTE Holdoff Type is not supported by all measurements. If the current measurement
does not support it, this key will be blank and the Holdoff Type will be Normal. If
the Holdoff Type SCPI is sent while in such a measurement, the SCPI will be
accepted and the setting remembered, but it will have no effect until a
measurement is in force that supports Holdoff Type.
Trigger Holdoff Type functionality:
• NORMal
This is the “oscilloscope” type of trigger holdoff, and is the setting when the Holdoff Type key does
not appear. In this type of holdoff, no new trigger will be accepted until the holdoff interval has
expired after the previous trigger.
•ABOVe
If the trigger slope is positive, a trigger event is generated only if the signal characteristic of interest
crosses the trigger threshold (with positive slope) and then remains above the threshold for at least
the holdoff time. For negative slope, the trigger event is generated if the signal characteristic crosses
the threshold (with negative slope) after having been above the threshold for at least the holdoff time.
In either case, the trigger event is associated with the time the level was crossed.
• BELow
If the trigger slope is positive, a trigger event is generated only if the signal characteristic of interest
crosses the trigger threshold (with positive slope) after having been below the threshold for at least
the holdoff time. For negative slope, the trigger event is generated if the signal characteristic crosses
the threshold (with negative slope) and then remains below the threshold for at least the holdoff time.
In either case, the trigger event is associated with the time the level was crossed.
Key Path: Trigger, Auto/Holdoff
Remote Command: :TRIGger[:SEQuence]:HOLDoff:TYPE NORMal|ABOVe|BELow
:TRIGger[:SEQuence]:HOLDoff:TYPE?
Example: TRIG:HOLD:TYPE NORM
Preset: All modes but GSM/EDGE: Normal
GSM/EDGE: Below
State Saved: Saved in instrument state
Initial S/W Revision: A.02.00