You can solve the problem by following the steps below.
■Operating procedure
1. Open Bluetooth on the settings screen.
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2. Press connected to the right of "αble-aid" on your device.
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3. You will hear a beeping sound from "αble-aid".
4. Launch the app ("αble-EQ").
5. When "αble-aid" is displayed in the red frame in the figure below, you can start the adjustment test.
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6. If you are unable to start the “hearing test” with this procedure, please contact us. We apologize for the inconvenience.