A lighting system comprising: - a cloud-based control center ; - a hand-held device ; and - a plurality of operating devices for lamps, wherein the operating devices are linked to the cloud-based control center ; - wherein each operating device comprises: ∘ connections for supplying power to at least one lamp, ∘ a bus interface for connecting a wired DALI bus, wherein the bus interface comprises a bus controller , ∘ a Bluetooth interface , wherein the Bluetooth interface comprises a controller, ∘ a non-volatile memory , wherein both the bus controller and the controller of the Bluetooth interface are configured to access the non-volatile memory , ∘ wherein the operating device is configured to emit a signal via a command via the bus interface by means of the Bluetooth interface , which signal indicates that an operating address has not yet been allocated to the operating device, and ∘ wherein the operating device is further configured to evaluate wirelessly transmitted Bluetooth beacons with regard to their signal strength; - wherein a heat map is established in the cloud-based control center which represents the Bluetooth signal strengths of the operating devices at different coordinates of a space in which the operating devices are arranged; and - wherein the hand-held device is designed to evaluate Bluetooth beacons transmitted wirelessly by each operating device with regard to their signal strength and to transmit them to the cloud-based control center for establishing the heat map. - a cloud-based control center ; - a hand-held device ; and - a plurality of operating devices for lamps, wherein the operating devices are linked to the cloud-based control center ; - wherein each operating device comprises: ∘ connections for supplying power to at least one lamp, ∘ a bus interface for connecting a wired DALI bus, wherein the bus interface comprises a bus controller , ∘ a Bluetooth interface , wherein the Bluetooth interface comprises a controller, ∘ a non-volatile memory , wherein both the bus controller and the controller of the Bluetooth interface are configured to access the non-volatile memory , ∘ wherein the operating device is configured to emit a signal via a command via the bus interface by means of the Bluetooth interface , which signal indicates that an operating address has not yet been allocated to the operating device, and ∘ wherein the operating device is further configured to evaluate wirelessly transmitted Bluetooth beacons with regard to their signal strength; ∘ connections for supplying power to at least one lamp, ∘ a bus interface for connecting a wired DALI bus, wherein the bus interface comprises a bus controller , ∘ a Bluetooth interface , wherein the Bluetooth interface comprises a controller, ∘ a non-volatile memory , wherein both the bus controller and the controller of the Bluetooth interface are configured to access the non-volatile memory , ∘ wherein the operating device is configured to emit a signal via a command via the bus interface by means of the Bluetooth interface , which signal indicates that an operating address has not yet been allocated to the operating device, and ∘ wherein the operating device is further configured to evaluate wirelessly transmitted Bluetooth beacons with regard to their signal strength; - wherein a heat map is established in the cloud-based control center which represents the Bluetooth signal strengths of the operating devices at different coordinates of a space in which the operating devices are arranged; and - wherein the hand-held device is designed to evaluate Bluetooth beacons transmitted wirelessly by each operating device with regard to their signal strength and to transmit them to the cloud-based control center for establishing the heat map. <EOS>