Grass Valley XG Vertigo Quick Start v.5.0 - Manual (Page 7)

Symbols and Their Meanings
The lightning flash with arrowhead symbol within an equilateral triangle alerts the user
to the presence of dangerous voltages within the product’s enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle alerts the user to the presence of
important operating and maintenance/service instructions.
The earth ground symbol represents a protective grounding terminal. Such a terminal
must be connected to earth ground prior to making any other connections to the
equipment.
The fuse symbol indicates that the fuse referenced in the text must be replaced with
one having the ratings indicated.
The presence of this symbol in or on Grass Valley, A Belden Brand equipment means
that it has been designed, tested and certified as complying with applicable Canadian
Standard Association (CSA) regulations and recommendations for USA/Canada.
The presence of this symbol in or on Grass Valley, A Belden Brand equipment means
that it has been designed, tested and certified as complying with applicable
Underwriters Laboratory (UL) regulations and recommendations for USA/Canada.
The presence of this symbol in or on Grass Valley, A Belden Brand equipment means
that it has been designed, tested and certified as essentially complying with all
applicable European Union (CE) directives.
The presence of this symbol in or on Grass Valley, A Belden Brand product means that
it complies with safety of laser product applicable standards.