| 摘要 |
An audible location alarm is generated from an ear-level device of a type comprising a memory, a microphone and a speaker, each coupled to a processor. Communication is established between the ear-level device and a companion device, the companion device having an interface, a display associated with the user interface, and an audible location alarm program stored therein. The audible location alarm program is initiated. An audible location alarm signal is transmitted to the ear-level device, thereby providing instruction to the ear-level device to broadcast an audible location alarm through the speaker of the ear level device until detection of an end event.
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