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. 18. A detector as in claim 17 which includes a single audible output transducer for audible alarm signals and any audible voice outputs.