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MODEL 8559A
GENERAL INFORMATION
SAFETY SYMBOLS
The following safety symbols are used throughout this manual and in the instrument. Familiarize
yourself with each of the symbols and its meaning before operating this instrument.
Instruction manual symbol. The instrument will be marked with this symbol
when it is necessary for the user to refer to the instruction manual in order to
protect the instrument against damage. Location of pertinent information
within the manual is indicated by use of this symbol in the table of contents.
//
Indicates dangerous voltages are present. Be extremely careful.
The CAUTION sign denotes a hazard. It calls attention to a procedure which, if
not correctly performed or adhered to, could result in damage to or destruction
of the instrument. Do not proceed beyond a CAUTION sign until the indicated
conditions are fully understood and met.
The WARNING sign denotes a hazard. It calls attention to a procedure which,
if not correctly performed or adhered to, could result in injury or loss of life.
Do not proceed beyond a WARNING sign until the indicated conditions are
fully understood and met.
GENERAL SAFETY CONSIDERATIONS
BEFORE
THlS INSTRUMENT IS SWITCHED ON, make sure it has been
properly grounded through the protective conductor of the ac power cable
to a socket outlet provided with protective earth contact. Any interruption of
the protective (grounding) conductor, inside or outside the instrument, or
disconnection of the protective earth terminal can result in personal injury.
There are voltages at many points in the instrument which can, if contacted,
cause personal injury. Be extremely careful. Any adjustments or service pro
-
cedures that require operation of the instrument with protective covers
removed should be performed only by trained service personnel.
BEFORE
THlS INSTRUMENT IS SWITCHED ON, make sure its primary
power circuitry has been adapted to the voltage of the ac power source.
Failure to set the ac power input to the correct voltage could cause damage
to the instrument when the ac power cable is plugged in.