18
Version 1.5, Revision H
Maintenance and Cleaning
5
5.
Maintenance and Cleaning
Warning
• Before any maintenance, switch off the instrument and unplug it from power supply.
• To clean the exterior surfaces, use a mild and pH-neutral commercial household cleaner.
You may
NOT
use: Alcohol, cleaning materials containing alcohol (glass cleaner!), abrasives,
or solvents containing acetone or xylene! The lacquered surfaces and the control panel are not
resistant to xylene or acetone!
• While working and during cleaning, no liquid may get into the interior of the instrument.