Keysight N1913 User Manual page 8

Frame or chassis TERMINAL
Equipotentiality
8
Out position of bi-stable push control
This symbol indicates that a device, or
part of a device, may be susceptible to
electrostatic discharges (ESD) which
can result in damage to the product.
Observe ESD precautions given on the
product, or its user documentation,
when handling equipment bearing this
mark.
Keysight N1913/1914A User's Guide