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1·A 90-db horn sounds an audible warning if this current set point is ever exceeded during use.

如果使用中电流超过了设定点，会有90分贝的警告声响起。

2·Radardroid will give a visual and audible warning when you approach any fixed or mobile speed camera in the application database.

Radardroid pro会提供视觉和听觉警告当您在应用程序数据库的方法任何固定或移动速度相机。

3·Fire emergency: in case of a fire, please call the hotel operator, the emergency alarm system will give out audible warning. If you have hearing.

火灾：在遇到火灾的时候，请打电话联系电话总机，紧急情况警铃会自动响起。