Keysight RP7970 Serie Manuel D'utilisation page 139

To offset the beginning of the acquisition buffer relative to the acquisition trigger:
Front Panel Menu Reference
Select Measure\Sweep.
Enter an Offset value. Then press Select.
When the value is 0, all measurement samples are taken after the trigger. Positive values represent the
delay after the trigger occurs but before the samples are acquired. This can be used to exclude
measurement samples that occur during the delay time. (Delay time = offset x sample period).
Negative values represent data samples taken prior to the trigger. This lets you acquire measurement
samples prior to the trigger.
Select the trigger source
A TRIGger:ACQuire[:IMMediate] command over the bus will always generate an
immediate measurement trigger, regardless of the selected trigger source.
Unless you are using TRIGger:ACQuire[:IMMediate], select a trigger source from the following:
Trigger Source
Bus Selects GPIB device trigger, *TRG, or <GET> (Group Execute Trigger).
Current Selects an output current level.
External Selects ANY pin that has been configured as a trigger input on the digital control port.
Pin<1-7> Selects a specific pin<n> that is configured as a Trigger Input on the digital control port.
Transient Selects the unit's transient system. You must also set up the transient system to generate a trigger out signal.
See Programming Output
Voltage Selects an output voltage level.
Use the following commands to select a trigger source:
Keysight RP7970 & RP7980 Series Operating and Service Guide
SCPI Command
To offset the measurement by 100 points:
SENS:SWE:OFFS:POIN 100
Description
Transients.
4 Using the Regenerative Power System
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