xii 
Safety 
Considerations 
General 
This 
product 
and 
related documentation must 
be 
reviewed for  familiarization  with  safety 
markings 
and 
instructions before operation. 
Safety Symbols 
,LL 
.... 
-
WARNING 
CAUTION 
Safety Earth Ground 
Instruction  manual symbol:  the  product 
will 
be 
marked 
with this symbol when it 
is 
necessary for the user to refer 
to 
the  instruction 
manual 
in 
order 
to  protect  the 
product 
against damage. 
Indicates hazardous voltages. 
Indicates 
earth 
(ground)  terminal 
(sometimes 
used 
in 
manual to indicate circuit common connected to 
grounded 
chassis). 
The WARNING sign denotes a hazard. 
It calls attention to a 
procedure, practice, or the like, which, 
if 
not correctly per-
formed 
or 
adhered 
to,  could result in injury.  Do  not pro-
ceed 
beyond 
a  WARNING  sign until the indicated condi-
tions are fully 
understood 
and 
met. 
The 
CAUTION sign 
denotes 
a  hazard. 
It 
calls attention to 
an 
operating procedure, practice, or the like,  which, 
if 
not 
correctly performed 
or 
adhered 
to, could result in damage 
to or destruction of 
part 
or 
all of the product. Do not pro-
ceed 
beyond a  CAUTION  sign  until the indicated condi-
tions are fully 
understood 
and 
met. 
This  is  a  safety  class  I 
product 
and 
is  provided with  a  protective  earthing terminal. 
An 
uninterruptible safety earth ground must 
be 
provided from  the main power source 
to 
the 
product input wiring terminals, 
power 
cord, or supplied power cord set. Whenever 
it 
is 
likely 
that 
the  protection 
has 
been 
impaired,  the 
product 
must  be  made  inoperative 
and 
be 
secured against any 
unintended 
operation. 
Before Applying 
Power 
Verify 
that 
the 
product 
is configured to match the available main 
power 
source 
per 
the input 
power 
configuration instructions prOVided in this manual. 
If this product 
is 
to 
be 
energized via 
an 
auto-transformer (for voltage reduction), make sure 
the 
common 
terminal is connected to the earth terminal of the main 
power 
source.