When the equipment is not on a steady position an audible device starts off. In this case correct platform position.
当设备处在不稳定的位置时，音频仪会启动。在这种情况下，请调整平台的位置。
Visual, audible, and tactile device notifications.
视觉，听觉，和触觉设备的通知。
On dictation equipment, a device that gives an audible or visual signal at the end of the recording medium.
口述记录设备上的一种装置，当到达记录媒体末端时发出一个声响信号或可视信号。
A device that converts electric signals, as from a telephone, stereo, or radio receiver, to audible sound and fits over or in the ear.
耳机一种传递电子信号的设备，比如从电话、立体声或广播接收器上传出可听的声音。这种设备嵌到耳朵上或耳朵里。
A visual or audible signaling device, operated by relays, which indicates conditions of associated circuits.
用继电器操作的一种可视信号或音响信号装置，用以指示有关电路的情况。
A visual or audible signaling device, operated by relays, which indicates conditions of associated circuits.
用继电器操作的一种可视信号或音响信号装置，用以指示有关电路的情况。
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