HP ESA-E Series Programmer's Manual page 227

units are dBm). This command is equivalent to pressing front panel
keys
BW/Avg, Average Type, Video.
POWer averages the linear power of successive measurements
(typical units are watts).
Factory Preset
and *RST:
LPOWer
Front Panel
Access:
BW/Avg, Average Type, Video Power
Chapter 5
Language Reference
SENSe Subsystem
5-73