Regulatory 
Information 
(Updated 
March 
1999) 
Safety Considerations 
GENERAL 
This product and related documentation must be reviewed for familiarization with safety 
markings and instructions before operation. 
This product has been designed and tested in accordance with 
IEC 
Publication 
1010, 
"Safety Requirements for Electronic Measuring Apparatus," and 
has 
been supplied in 
a 
safe condition. This instruction documentation contains information and warnings which 
must be followed by the 
user 
to ensure safe operation and to maintain the product in 
a 
safe 
condition. 
SAFETY 
EARTH 
GROUND 
A 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. 
SAFETY 
SYMBOLS 
A 
Indicates instrument damage can occur if indicated operating limits 
are 
exceeded. 
A 
Indicates hazardous voltages. 
-  Indicates earth (ground) terminal 
~~  ~  ~  ~ 
WARNING 
A 
WARNING  note denotes a hazard. It calls attention to a procedure, 
practice, or 
the 
like, which, if not correctly performed or adhered to, 
could result in personal injury. 
Do 
not proceed beyond a WARNING 
sign until the indicated conditions are 
fully 
understood and met. 
CAUTION 
A 
CAUTION note denotes 
a 
hazard. 
It 
calls attention to 
an 
operation 
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 proceed beyond an CAUTION note until 
the 
indicated conditions are fully 
understood and met. 
2 
Chapter 
1