| 摘要 |
An alarm for detecting radiation and/or air pollutants such as smoke, carbon monoxide or the like has a control circuit (11) including a microcontroller (12) configured to monitor preselected alarm parameters, and memory means (30, 36, 40) for storing data representing said parameters. The microcontroller (12) has an input/output means (3) connectible both to a preselected voltage level for switching said control circuit between an operational mode and a shutdown mode and to an external processing means for enabling downloading and display of said data.
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