| 摘要 |
<p>An adverse condition detector (18) that allows the user to test the apparatus (18) in close proximity without having to endure full operational alarm activation. The adverse condition detector (18) includes a detector (46,52), a transducer (24) and a test system. When the detector (46,52) senses an adverse condition, the transducer (24) is activated to generate an alarm signal having an alarm level. When the test switch (60) is activated, a test signal is generated at the alarm level and has a test duration that is substantially less than the duration of the alarm signal. In one embodiment of the invention, the alarm signal includes a plurality of alarm pulses having an alarm pulse duration and the test signal includes a plurality of test pulses each having a test pulse duration substantially less than the alarm pulse. <IMAGE></p> |
