GRASS VALLEY NV9641A User Manual page 5

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 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 equipment means that it has been
designed, tested and certified as complying with applicable Underwriter's
Laboratory (USA) regulations and recommendations.
The presence of this symbol in or on Grass Valley equipment means that it has been
designed, tested and certified as essentially complying with all applicable
European Union (CE) regulations and recommendations.
General Warnings
A warning indicates a possible hazard to personnel which may cause injury or death.
Observe the following general warnings when using or working on this equipment:
• Heed all warnings on the unit and in the operating instructions.
• Do not use this equipment in or near water.
• This equipment is grounded through the grounding conductor of the power cord. To
avoid electrical shock, plug the power cord into a properly wired receptacle before con-
necting the equipment inputs or outputs.
• Route power cords and other cables so they are not likely to be damaged.
• Disconnect power before cleaning the equipment. Do not use liquid or aerosol clean-
ers; use only a damp cloth.
• Dangerous voltages may exist at several points in this equipment. To avoid injury, do
not touch exposed connections and components while power is on.
• Do not wear rings or wristwatches when troubleshooting high current circuits such as
the power supplies.
NV9641A
User's Guide
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