Tektronix TDS 820, Manual

Page: 10 / 94

Safety
vi
Observe all of these precautions to ensure your personal safety and to pre-
vent damage to either the digitizing oscilloscope or equipment connected to it.
Power Source
The digitizing oscilloscope operates 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 Digitizing Oscilloscope
The digitizing 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 digitizing oscillo-
scope.
Without the protective ground connection, all parts of the digitizing 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, matched by type, voltage rating, and current rating.
Do Not Remove Covers or Panels
To avoid personal injury, do not operate the digitizing oscilloscope without the
panels or covers.
Take Antistatic Precautions
Wear an antistatic grounding wrist strap when working with the input connec-
tors on the digitizing oscilloscope.
Electric Overload
Never apply to a connector on the digitizing oscilloscope a voltage that is
outside the range specified for that connector.
Specific Precautions