17. A detector as in claim 16 which includes an input audio transducer coupled to the control circuitry, and executable instructions for storing indicia of a plurality of user verbalized commands.
17. A detector as in claim 16 which includes an input audio transducer coupled to the control circuitry, and executable instructions for storing indicia of a plurality of user verbalized commands. 19. A detector as in claim 17 which includes executable instructions for responding to selection of an input language for the audible verbal inputs.