Instruction manual
Safety 
Safety Summary 
The  following  general  safety  precautions  must  be  observed  during  all  phases  of 
operation, service, and repair of this instrument. Failure to comply with these precautions 
or with specific WARNINGS elsewhere in this manual may impair the protection provided 
by the equipment. Such noncompliance would also violate safety standards of design, 
manufacture,  and  intended  use  of  the  instrument.  Agilent  Technologies  assumes  no 
liability for the customer's failure to comply with these precautions. 
Notes; 
  The E5071C complies with INSTALLATION CATEGORY II as well as POLLUTION 
DEGREE 2 in IEC61010-1. The E5071C is an INDOOR USE product. 
  The LEDs in the E5071C are Class 1 in accordance with IEC60825-1, CLASS 1 
LEDPRODUCT 
 Ground the Instrument - To avoid electric shock, the instrument chassis and cabinet 
must be grounded with the supplied power cable's grounding prong. 
 DO NOT Operate in an Explosive Atmosphere - Do not operate the instrument in the 
presence of inflammable gasses or fumes. Operation of any electrical instrument in such an 
environment clearly constitutes a safety hazard. 
 Keep Away from Live Circuits - Operators must not remove instrument covers. 
Component replacement and internal adjustments must be made by qualified maintenance 
personnel. Do not replace components with the power cable connected. Under certain 
conditions, dangerous voltage levels may remain even after the power cable has been 
disconnected. To avoid injuries, always disconnect the power and discharge circuits before 
touching them. 
 DO NOT Service or Adjust the Instrument Alone - Do not attempt internal service or 
adjustment unless another person, capable of rendering first aid and resuscitation, is 
present. 
 Dangerous Procedure Warnings - Warnings, such as the example below, precede 
potentially dangerous procedures throughout this manual. Instructions contained in the 
warnings must be followed. 
 Dangerous voltage levels, capable of causing death, are present in this instrument. 
Use extreme caution when handling, testing, and adjusting this instrument. 
Safety Symbols 
Instruction Manual symbol: the product is marked with this symbol 
when it is necessary for the user to refer to the instrument manual. 
   Alternating current. 






