Getting Started 1Keysight U2781A User’s Guide 21General MaintenanceTo remove the dirt or moisture in the chassis panel, the cleaning steps are asfollows:1 Power off the chassis device and remove the power cord and I/O cable fromthe chassis.2 Shake out any dirt that may have accumulated inside the chassis device.3 Wipe the chassis with a dry cloth.NOTE Repair or service which are not covered in this manual should only be performedby qualified personnel.
