Caution And Warning Statements; Symbols; If In Doubt About Safety - Fluke PM6690 Operator's Manual

Preparation for Use
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 to 12V
p rms
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
1-6 Safety
when you switch the
Fig. 1-1 Do not overlook the safety in-
structions!
–
Inform your Fluke representative.
For example, the instrument is likely to be un-
safe if it is visibly damaged.