SAFETY WARNINGS
The following precautions should be observed before us-
ing Model 488/487. Refer to main manual for detailed
safety information and complete operating instructions.
The Model 48W487 is intended for use by qualified per-
sonnel who recognize shock hazards and are familiar
with the safety precautions required to avoid possible in-
jury. Read over the instruction manual carefully before
using the instrument.
Before operating the instrument, make sure the line cord
is connected to a properly grounded power receptacle.
Exercise extreme caution when a shock hazard is pre-
sent. Lethal voltages may be present on the test fixture or
the Model 487 output jacks. The American National Stan-
dards Institute (ANSI) states that a shock hazard exists
when voltage levels greater than 30V RMS or 42.4V peak
are present. A good safety practice is to expect that
hazardous voltage is present in any unknown circuit
before measuring.
Inspect the connecting cables, test leads, and jumpers
for possible wear, cracks, or breaks before each use.
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