CPC H01Q 3/267 (2013.01) [H01Q 3/2676 (2013.01); H04B 5/73 (2024.01); H04B 10/073 (2013.01); H04B 17/102 (2015.01); H04B 17/23 (2015.01)] | 4 Claims |
1. An apparatus comprising:
a display; and
an interface configured to receive a signal indicating a request that the apparatus is requested to perform a test mode;
wherein the apparatus is configured to switch to the test mode responsive to the signal and to display a predefined optical signal pattern with the display, the optical signal pattern providing at least a part of a set of reference markers at the apparatus;
wherein the apparatus is configured to display the predefined optical signal pattern as at least the part of the set of reference markers at the apparatus for an evaluation a position of the set of reference markers with regard to a Center-of-Radiation Reference, CORR, for the apparatus, the CORR indicating a reference origin of an electromagnetic wave pattern formable with the apparatus.
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