| 摘要 |
This device 10 essentially comprises, in combination, a device sensitive to the external pressure CP, a means of reading a predetermined reference pressure CCS, an alarm logic unit LA connected to the device sensitive to external pressure and to the means of reading the reference pressure and supplying a signal as soon as the external pressure is lower than the reference pressure, and an alarm means LD, BZ acting in response to the said signal. Application: instrumentation for yacht navigation. <IMAGE>
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