FCC会向飞行内话系统提供音频信号吗？？

传说哥 · 发表于 2013-3-3 17:05:09

我看手册：flight control computer gives discrete signals to the REU. This signal activates an altitude alert tone generator. 那到底是FCC向飞行内话系统提供音频信号，还是REU提供的呢？

lanjun · 发表于 2013-3-3 19:29:41

The remote electronics unit (REU) controls audio signals in the flight interphone system

The remote electronics unit (REU) controls the communication between these:

Three flight deck stations

Service interphone

Flight interphone

All related electronics equipment.

Audio Alerts

These systems send audio alert signals to the REU:

Flight control computer (FCC) - altitude alert

Traffic alert and collision avoidance system (TCAS)

WXR receiver transmitter

Ground proximity warning computer (GPWC).

The FCC sends a ground discrete to start the altitude alert signal. The REU supplies a C-chord aural with each ground discrete. The REU sums and amplifies TCAS, GPWC, WXR, and C-chord audio alert signals.

You hear alert signals on these flight components:

Interphone headsets

Headphones

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[23通信] FCC会向飞行内话系统提供音频信号吗？？

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