Keysight N9915-90020 User’s Guide 861
Safety Considerations
Battery Markings
This symbol marks the standby position of the power line switch.
This symbol marks the ON position of the power line switch.
This symbol marks the OFF position of the power line switch.
This symbol indicates the input power required is AC.
This symbol indicates DC voltage.
This symbol indicates a three-phase alternating current.
This symbol indicates frame or chassis terminal.
This symbol indicates the presence of a laser device.
This symbol identifies the Protective Conductor Terminal.
This symbol indicates the equipment is protected throughout by double or
reinforced insulation.
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