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To "wake up" the tag, the reed switch should be activated for about 3-10 seconds (activating the reed switch = putting a magnet over the Bluetooth logoleft-edge side of the tag).
Once the device is recognized, it will show up in the "MikroTik Beacon Manager" list. You can select the tag to save it to the list of "beaconed" devices or configure it by pressing the "CONFIG ONLY" button:
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