8. BHP
In particular the user should not:
• touch the switches with wet hands,
• touch the tubes with sharp objects.
9. MALFUNCTIONS
Some kinds of damage occur due to not performing simple maintenance tasks or other overlooks and can be
fixed without calling the service. Unnecessary service call to fix these kinds of damage will be charged, even
during the warranty period.
Repairs done by an unauthorized personnel are hazardous to health and life.
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CAUTION!
The user should not attempt to repair the device by himself.