Controller's indicator is normal on and send out alarm signal when detecting patient on sickbed calling.

当检测到病员呼叫时，控制器指示灯常亮并发出报警声。

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Controller's indicator is normal on and send out alarm signal when detecting patient on sickbed calling.

当检测到病员呼叫时，控制器指示灯常亮并发出报警声。

youdao