Caution and Warning
Statements
CAUTION: Shows where incorrect
procedures can cause damage to,
or destruction of equipment or
other property.
WARNING: Shows a potential danger
that requires correct procedures or
practices to prevent personal in
-
jury.
Symbols
Shows where the protective ground
terminal is connected inside the instrument.
Never remove or loosen this screw.
This symbol is used for identifying the
functional ground of an I/O signal. It is always
connected to the instrument chassis.
Indicates that the operator should
consult the manual.
One such symbol is printed on the instrument,
below the A and B inputs. It points out that the
damage level for the input voltage decreases
from 350 V
p
to 12V
rms
whenyouswitchthe
input impedance from 1 MW to 50 W.
If in Doubt about Safety
Whenever you suspect that it is unsafe to use
the instrument, you must make it inoperative
by doing the following:
–
Disconnect the line cord
–
Clearly mark the instrument to prevent its
further operation
–
Inform your Fluke representative.
For example, the instrument is likely to be un-
safe if it is visibly damaged.
Preparation for Use
1-6 Safety
Fig. 1-1 Do not overlook the safety in
-
structions!
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