• Ensure that all the electrical connections and connection cables between the
various devices and any extension cables comply with regulations and also
comply with the operating instructions.
• When mounting the device, make sure that the connection cables are neither
jammed nor damaged by sharp edges.
• Never replace damaged mains cables yourself. In such cases, disconnect the
appliance from the mains and take it to a specialist workshop.
• The regulations of the Accident Prevention & Insurance Association for electric
facilities and equipment must be observed in commercial premises.
• In schools, training centres, computer and self-help workshops, use of the product
must be supervised by trained personnel in a responsible manner.
• Consult an expert when in doubt about operation, safety or connection of the
device.
• Maintenance, modifications and repairs are to be performed exclusively by an
expert or at a qualified shop.
• If you have questions which remain unanswered by these operating instructions,
contact our technical support service or other technical personnel.
6. Operating controls
36