MA lighting grandMA3 onPC command wing XT Quick Manual page 22

Maintenance
Warning:
All repair and service work has to be exclusively performed by qualified service technicians as live parts may be exposed
when opening and / or removing coverings. Touching live parts may cause electric shock.
Important:
The intervals between maintenance may differ depending on the frequency of transport and the operational environment.
Disconnect power supply before cleaning;
Clean the surface using dry cloth only;
Clean the wrist rest using a damp cloth only;
Do not use liquid cleanser or compressed air;
Do not use solvent;
Check if the ventilation holes are blocked;
Depending on the environment, we recommend to professionally clean the device once a year.
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Intended Use
Safety
Support
Transport
Limitations
Quick Start
Maintenance
Disposal
Technical Data
Instances
Declaration of Conformity