A method of configuring a device, and wherein the method comprises: measuring one or more spatial characteristics of the device while fitting the device to a recipient; determining a set of parameters based on the one or more spatial characteristics; and configuring the device with the set of parameters, wherein the device is a hearing prosthesis comprising a beamforming microphone array , wherein the beamforming microphone array comprises at least two microphones , and wherein the parameters comprise beamformer coefficients, wherein measuring one or more spatial characteristics of the hearing prosthesis comprises determining a location of the beamforming microphone array on a recipient's head , and wherein the method further comprises: storing a plurality of sets of beamformer coefficients in a tangible, non-transitory computer- readable memory, wherein each set of parameters corresponds to one of a plurality of zones on the recipient's head; characterized in : determining the zone on the recipient's head where the beamforming microphone array is located, wherein configuring the hearing prosthesis with the set of parameters comprises configuring the hearing prosthesis with a selected set of beamformer coefficients that corresponds to the zone on the recipient's head within which the beamforming microphone array is located, wherein determining the zone on the recipient's head where the beamforming microphone array is located comprises comparing the location where the beamforming microphone array is located to a zone map overlaid on the recipient's head, wherein the zone map displays each zone of the plurality of zones. measuring one or more spatial characteristics of the device while fitting the device to a recipient; determining a set of parameters based on the one or more spatial characteristics; and configuring the device with the set of parameters, wherein the device is a hearing prosthesis comprising a beamforming microphone array , wherein the beamforming microphone array comprises at least two microphones , and wherein the parameters comprise beamformer coefficients, wherein measuring one or more spatial characteristics of the hearing prosthesis comprises determining a location of the beamforming microphone array on a recipient's head , and wherein the method further comprises: storing a plurality of sets of beamformer coefficients in a tangible, non-transitory computer- readable memory, wherein each set of parameters corresponds to one of a plurality of zones on the recipient's head; characterized in : determining the zone on the recipient's head where the beamforming microphone array is located, wherein configuring the hearing prosthesis with the set of parameters comprises configuring the hearing prosthesis with a selected set of beamformer coefficients that corresponds to the zone on the recipient's head within which the beamforming microphone array is located, wherein determining the zone on the recipient's head where the beamforming microphone array is located comprises comparing the location where the beamforming microphone array is located to a zone map overlaid on the recipient's head, wherein the zone map displays each zone of the plurality of zones. determining the zone on the recipient's head where the beamforming microphone array is located, wherein configuring the hearing prosthesis with the set of parameters comprises configuring the hearing prosthesis with a selected set of beamformer coefficients that corresponds to the zone on the recipient's head within which the beamforming microphone array is located, wherein determining the zone on the recipient's head where the beamforming microphone array is located comprises comparing the location where the beamforming microphone array is located to a zone map overlaid on the recipient's head, wherein the zone map displays each zone of the plurality of zones. <EOS>