Tektronix Grass Valley 4000, Installation And Service

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Important Safeguards and
Regulatory Notices
Specific warnings and cautions will be found throughout the manual where they
apply, but may not appear here. Please read and follow the important safety
information, noting especially those instructions related to risk of fire, 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 Meaning in This Manual
The lightning flash with arrowhead symbol, within an equilateral triangle, alerts
the user to the presence of “dangerous voltage” within the equipment’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 (servicing) instructions in the literature
accompanying the equipment.
The fuse symbol indicates that the fuse referenced in text must be replaced with
one having the ratings indicated.
This symbol represents a protective grounding terminal. Such a terminal must be
connected to earth ground prior to making any other connections to the
equipment.
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