Installation guide
 3
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.
NOTE The E5071C complies with INSTALLATION CATEGORY II as well as POLLUTION 
DEGREE 2 in IEC61010-1. The E5071C is an INDOOR USE product.
NOTE The LEDs in the E5071C are Class 1 in accordance with IEC60825-1, 
CLASS 1 LED PRODUCT
• 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.
• DO NOT Substitute Parts or Modify the Instrument
To avoid the danger of introducing additional hazards, do not install substitute parts or 
perform unauthorized modifications to the instrument. Return the instrument to an 
Agilent Technologies Sales and Service Office for service and repair to ensure that 
safety features are maintained in operational condition.
• Dangerous Procedure Warnings
Warnings, such as the example below, precede potentially dangerous procedures 
throughout this manual. Instructions contained in the warnings must be followed.
WARNING Dangerous voltage levels, capable of causing death, are present in this instrument. 
Use extreme caution when handling, testing, and adjusting this instrument.










