Keysight E4990A Installation Manual page 21

Introduction
Starting the E4990A
To allow this operation to be performed smoothly, be sure to follow the
guidelines in
Immediate Disconnection of Power Cable in Case of Emergency" on
page
When turning the power OFF under normal circumstances, always follow
the methods described in
Keysight E4990A Impedance Analyzer
"Ensuring Adequate Free Space around Analyzer for
13.
"Turning the Power OFF" on page 19.
21