Safety; Introduction - Fluke PM 6666 Operator's Manual

Page: 4

Introduction

Read this page carefully before you install and use the
PM 6666 Timer/Counter.
This Timer/Counter has been designed and tested in ac-
cordance with IEC publication 1010-1, and CSA 22.2
No.231, and has been supplied in a safe condition. The
user of this instrument must have the required knowledge
of PM 6666. This knowledge can be gained by thoroughly
studying this manual.
Safety Precautions
Use generally-accepted safety procedures, in addition to
the safety precautions stated in this manual, to ensure per-
sonal safety and safe operation of the Timer/Counter.
Caution & Warning Statements
You will find specific warning and caution statements,
where necessary throughout the manual. Do not carry out
repairs or adjustments to the Timer/Counter without read-
ing the Service Manual, which contains the relevant warn-
ings for such activities.
CAUTION: Indicates where incorrect operating pro-
cedures can
destruction of, equipment or other property.
WARNING: Indicates a potential danger that re-
quires correct procedures or practices in
order to prevent personal injury.
PM 6666 - OPERATORS MANUAL

SAFETY

cause damage to,
SAFETY
Symbols
Indicates where the protective ground lead is
connected inside the instrument. Never un-
screw or loosen this screw.
?
Signal Ground symbol. This symbol indicates
that the signal ground of the connectors are in-
ternally connected to the other connectors with
the same symbol, and to parts that are easily ac-
cessible for the user.
Warning: All the metallic BNC's will carry the same
voltage. Applying signals with a common
potential of more than 30Vrms (42Vpk or
60Vdc) above ground potential will make
the instrument dangerous.
<
Indicates that the operator should consult the
manual.
Such symbols are printed near the input connectors. This
symbol on the instrument should encourage the user to
use the correct procedure for common instrument ground,
or
and maximum input voltages, as described in the Installa-
tion Chapter, Specification, and Battety Unit description.
If in Doubt About Safety
Whenever you suspect that it is unsafe to use the instru-
ment, you must make it inoperative, clearly mark it to pre-
vent its further operation, and inform the Fluke servicing
department.
E.g.The instrument is likely to be unsafe if it is visibly
damaged.