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Specific Precautions
xii
Observe all of the following precautions to ensure your personal safety and
to prevent damage to either the
2212
Oscilloscope or equipment connected
to
it.
Do Not Perform Service While Alone
Do
not perform internal service or adjustment of this product unless an-
other person capable of rendering first aid and resuscitation is present.
Use Care when Servicing with Power
On
Dangerous voltages exist at several points
in
this product. To avoid personal
injury, do not touch exposed connections or components while power is
on. Disconnect power before removing protective panels, soldering, or
replacing components.
Power Source
The
2212
Oscilloscope is intended to operate from a power source that will
not apply more than 250 V rms between the supply conductors or between
either supply conductor and ground. A protective ground connection,
through the grounding conductor
in
the power cord, is essential for safe
system operation.
Grounding the Oscilloscope
The
2212
Oscilloscope is grounded through the power cord. To avoid
electric shock, plug the power cord into a properly wired receptacle where
earth ground has been verified
by
a qualified service person.
Do
this before
making connections to the input or output terminals of the 2212 Oscillo-
scope.
Without the protective ground connection, all parts of the 2212 Oscillo-
scope are potential shock hazards. This includes knobs and controls that
may appear to be insulators.
Use the Proper Power Cord
Use only the power cord and connector specified for your product. Use
only a power cord that is in good condition.
Use the Proper Fuse
To avoid fire hazard, use only the fuse specified
in
the parts list for your
product, and which is identical
in
type, voltage rating, and current rating.
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