Fuses
The instrument contains internal fuses, which are not customer accessible.
Cleaning
To prevent electric shock, always disconnect the ac mains before cleaning. Use a dry
cloth or one slightly dampened with water to clean the external case parts. Do not use
detergent or chemical solvents. Do not attempt to clean internally.
In Case of Damage
Instruments that are not functioning correctly, appear damaged or defective should be
made inoperative and secured against unintended operation until they can be repaired
by qualified service personnel.
Keysight MP4300 Series Operating and Service Guide 12
Legal and Safety Information