National Instruments PXI PXITM -1000 - Manual (Page 5)

For Your Safety
Caution Before undertaking any troubleshooting, maintenance, or exploratory procedure,
read carefully the WARNING and CAUTION notices.
This equipment contains voltage hazardous to human life and safety, and is
capable of inflicting personal injury.
• Mainframe Grounding—The PXI-1000 mainframe requires a
connection from the premise wire safety ground to the PXI-1000
chassis ground. The earth safety ground must be connected during use
of this equipment to minimize shock hazards. Refer to the
Connecting
Safety Ground section of Chapter 2, Installation and Configuration ,
for instructions on connecting safety ground.
• Live Circuits—Operating personnel and service personnel must not
remove protective covers when operating or servicing the PXI-1000.
Adjustments and service to internal components must be undertaken
by qualified service technicians. During service of this product, the
mains connector to the premise wiring must be disconnected.
Dangerous voltages may be present under certain conditions; use
extreme caution.
• Explosive Atmosphere—Do not operate the mainframe in conditions
where flammable gases are present. Under such conditions this
equipment is unsafe and may ignite the gases or gas fumes.
• Part Replacement—Only service this equipment with parts that are
exact replacements, both electrically and mechanically. Contact
National Instruments for replacement part information. Installation of
parts with those that are not direct replacements may cause harm to
personnel operating the mainframe. Furthermore, damage or fire may
occur if replacement parts are unsuitable.
• Modification—Do not modify any part of the mainframe from its
original condition. Unsuitable modifications may result in safety
hazards.
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