An exemplary implantable sensor includes a housing that generally conforms to a curvature of an anterior chamber of a patient’s eye. For assigning service names to identify N network services, a first common string commonly used in the service names of the N network services is set. Another innovation is the resetting of progressive awards upon completion of a bonus event whether or not award actually won in said bonus event. The operand data structure specifies the defined addressing relationship for the multiple first operands and for the multiple second operands. The invention proposes that a slot lateral to the longitudinal direction of the link element be let into the innermost sheet metal layer from the bottom edge and that a pin be inserted into this slot.