Envision Peripherals NV3128 - Manual (Page 5)

Important Safeguards and Notices
The information on the following pages provides important safety guidelines for both operator and service
personnel. Specific warnings and cautions appear throughout the manual where they apply. Please read
and follow this important safety information, especially those instructions related to the risk of electric shock
or injury to persons.
WARNING: Any instructions in this manual that require opening the equipment cover or
enclosure are for use by qualified service personnel only. To reduce the risk of electric shock,
do not perform any servicing other than that contained in the operating instructions unless you
are qualified to do so.
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. These instructions may include
warnings or cautions advising about the potential for damage to equipment or danger to
personnel.
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 the UL symbol in or on NVISION equipment means that it has been
designed, tested and certified as complying with applicable Underwriter’s Laboratory
(USA) regulations and recommendations.
The presence of the CE symbol in or on NVISION equipment means that it has been
designed, tested and certified as essentially complying with all applicable European Union
(CE) regulations and recommendations.
U
R