28 Keysight CX3300 User’s Guide, Edition 4
Setting Up the CX3300
Maintenance
Maintenance
Maintenance should be performed periodically to keep the CX3300 in good 
condition. If problems arise, contact your Keysight Technologies sales office.
• “Cleaning”
• “Diagnosis”
• “User Calibration”
• “Calibration”
• “Troubleshooting”
• “Servicing”
Cleaning
WARNING
SHOCK HAZARD: To prevent electric shock, unplug the CX3300 before cleaning.
Risques de choc électrique : afin d’éviter tout choc électrique, débranchez le 
CX3300 avant d’effectuer le nettoyage.
Use a dry soft cloth or a soft cloth slightly dampened with a mild soap and water 
solution to clean the external case parts. Do not use detergents or chemical 
solvents. Do not attempt to clean internally.
CAUTION
Do not use too much liquid in cleaning the CX3300. Water can enter the CX3300 
panels and damage sensitive electronic components. Make sure that the CX3300 
is completely dry before reconnecting the power cord.
Diagnosis
Diagnosis allows you to verify the CX3300 operation. The CX3300 provides the 
following tests.
• Front Panel Key test
• Front Panel LED test