8 Keysight N1913/1914A User’s Guide
Frame or chassis TERMINAL Out position of bi-stable push control
Equipotentiality
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.