Edimax CAP1200 - IV-4-5. IM here

AP Mode
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IV-4-5. I’m Here
The access point features a built-in buzzer
which can sound on command using the “I’m
Here” page. This is useful for network administrators and engineers working
in complex network environments to locate the access point.
The buzzer is loud!
Duration of Sound
Set the duration for which the buzzer will
sound when the “Sound Buzzer” button is
clicked.
Sound Buzzer
Activate the buzzer sound for the above
specified duration of time.