An integrated semiconductor circuit includes a substrate having a surface of a first semiconductor material, at least one separating material formed on the surface and defining a through hole, and a guide region formed in the hole. At least part of a longitudinally extending edge portion of the prismatic ceramic heater is located in the vicinity of the heating resistor. The navigation option may correspond to a part of the item that is listed in the table of contents for the item. Based on the first message, it is determined whether the action is associated with an event type of a plurality of predetermined event types.