Agilent Technologies ESA-E Series Programmer's Manual page 263

Language Reference
SENSe Subsystem
Front Panel
Access:
Sweep, Gate On Off
Time Gate Trigger Type
[:SENSe]:SWEep:TIME:GATE:TYPE LEVel|EDGE
[:SENSe]:SWEep:TIME:GATE:TYPE?
Selects between edge and level mode for time-gated spectrum analysis.
Level triggers the gate when the signal surpasses a specific level, set
to either low or high.
Edge triggers the gate when the edge of a signal is encountered, set
to either a negative-going edge or a positive-going edge.
Factory Preset
and *RST: Edge
Front Panel
Access:
Sweep, Gate Setup, Trig Type Edge Level
5-108 Chapter 5