Getting Started 2
N9342C/43C/44C User’s Guide 13
Safety Considerations
Agilent has designed and tested the N934xC 
handheld spectrum analyzer for measurement, 
control and laboratory use in accordance with 
Safety Requirements IEC 61010- 1: 2001, UL 
61010- 1 (2004), and CSA C22.2 No.61010- 1- 04. The 
tester is supplied in a safe condition. The N934xC 
is also designed for use in Installation Category II 
and Pollution Degree 2 per IEC 61010 and IEC 
60664 respectively.
Read the following safety notices carefully before 
you start to use a N934xC handheld spectrum 
analyzer to ensure safe operation and to maintain 
the product in a safe condition. 
WARNING
Personal injury may result if the analyzer’s cover is 
removed. There are no operator-serviceable parts inside. 
Always contact Agilent qualified personnel for service. 
Disconnect the product from all voltage sources while it 
is being opened. 
WARNING
This product is a Safety Class I analyzer. The main plug 
should be inserted in a power socket outlet only if provided 
with a protective earth contact. Any interruption of the 
protective conductor inside or outside of the product is likely 
to make the product dangerous. Intentional interruption is 
prohibited.
WARNING
Electrical shock may result when cleaning the analyzer 
with the power supply connected. Do not attempt to 
clean internally. 
Use a dry soft cloth to clean the outside 
case only.
WARNING
Always use the three-pin AC power cord supplied with 
this product. Failure to ensure adequate earth grounding 
by not using this cord may cause personal injury and 
product damage.