Keysight Technologies U4305A, Руководство по оборудованию

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4 Keysight Protocol Exerciser for PCI Express Hardware Guide
Safety Symbols
Table 1 Safety Symbol
Symbol Description
Direct current
Alternating current
Both direct and alternating current
Three phase alternating current
Three phase alternating current
Earth ground terminal
Protective earth ground terminal
Frame or chassis ground terminal
Terminal is at earth potential
Equipotentiality
N Neutral conductor on permanently
installed equipment
L Line conductor on permanently installed
equipment
On (mains supply)
Off (mains supply)
Standby (mains supply). The instrument is
not completely disconnected from the
mains supply when the power switch is in
the standby position
In position of a bi-stable push switch