Command
:ABORt
This command aborts the measurement and changes the trigger sequence for all channels to idle state.
The channels for which the continuous startup mode is set to ON (setting to start up the trigger system continuously), changes immediately from idle to start-up state. See Trigger System for details.
Ena.WriteString ":ABORt", True
Trigger > Hold (This is not exact equivalent softkey.)
SCPI.ABORT