Keysight CX3300 User’s Guide, Edition 4 103
Safety Information
Safety Summary
• DANGEROUS PROCEDURE WARNINGS
Warnings, indicated by red WARNING mark, shall be complied. Procedures 
throughout in this manual prevent you from potential hazard. Their 
instructions contained in the warnings must be followed.
• BEFORE APPLYING POWER
Verify that all safety precautions are taken. Note the instrument's external 
markings described under “Safety Symbols”.
• GROUND THE INSTRUMENT
This is Safety Class I instrument. To minimize shock hazard, the instrument 
chassis and cabinet must be connected to an electrical ground. The power 
terminal and the power cord must meet International Electrotechnical 
Commission (IEC) safety standards.
• DO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
Do not operate the instrument in the presence of flammable gases, corrosive 
gases, o
r fumes. Operation of any electrical instrument in such an 
environment constitutes a definite safety hazard.
• DO NOT REMOVE COVERS
No operator serviceable parts inside. Refer servicing to qualified personnel. 
To prevent electrical shock do not remove covers.
• IN CASE OF DAMAGE
Instruments that appear damaged or defective should be made inoperative 
and secured against unintended operation until they ca
n be repaired by 
qualified service personnel. Return the instrument to a Keysight Technologies 
sales or service office for services and repair to ensure that safety features are 
maintained.
• USE ONLY THE SPECIFIC ACCESSORIES
Specific accessories satisfy the requirements for specific characteristics for 
using the instrument. Use the specific accessories, cables, adapters, and so 
on for safety reasons
.