| 摘要 |
A depressurization alarm is disclosed that is suitable for use by individual passengers and crew mambers of aircraft. In one form, the device (10, Figure 1) includes an audible alarm (14) and a visual alarm (18) fitted in a small case 12 containing a pressure transducer and a microprocessor-based controller. The case can be fitted with test switches (20 and 22) for checking the function of the device and for checking battery status, visual alarm (18) serving also as a visual indicator of system status and function.
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