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1. Safety Summary
1.1. Definitions
The following definitions apply to WARNINGS, CAUTIONS, and NOTICES found throughout this manual.
WARNING: An operating or maintenance procedure, practice, statement, condition, etc., which, if not strictly
observed, could result in injury and/or death of personnel. Do not proceed beyond a WARNING symbol until all
the indicated conditions have been fully understood and/or met.
CAUTION: An operating or maintenance procedure, practice, statement, condition, etc., which, if not strictly
observed, could result in damage or destruction of the equipment or long-term health hazards to personnel. Do
not proceed beyond a CAUTION symbol until all the indicated conditions have been fully understood and/or met.
NOTICE: An essential operating or maintenance procedure, condition, or statement that must be highlighted.
1.2. General Precautions
The following are general precautions that are not related to any specific procedure and, therefore, do not appear
elsewhere in this publication. These are precautions that personnel must understand and apply during various
phases of instrument operation or service.
Potentially lethal voltages are present in this instrument. Serious shock hazards from voltages
above 70 volts may exist in any connector, chassis, or circuit board. Observe the following
precautions.
To minimize shock hazard, the instrument chassis must be connected to an electrical ground.
Using the supplied three-conductor power cable ensures that the instrument can be firmly
connected to the ac power source and electrical ground at a grounded power outlet. If using a 3-2
wire adapter be sure to connect the ground lead to earth ground.
Use the buddy system any time work involving active high voltage components is required. Turn OFF the power
before making/breaking any electrical connection. Regard any exposed connector, terminal board, or circuit board
as a possible shock hazard. DO NOT replace any component or module with power applied.
If test conditions to live equipment are required, ground the test equipment before probing the voltage or signal
to be tested.
Safety Summary
MANUAL IM635
Page 6
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