CPC G06F 3/038 (2013.01) [G06F 3/03543 (2013.01)] | 18 Claims |
1. A user input device comprising:
a chassis configured to releasably receive a panel comprising at least one button; and
a processor configured to automatically recognise from the received panel, an identity code indicative of a quantity and type of the at least one button of the received panel.
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