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Activate Ultra Focus through ReSound ONE push button
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Step 1 - Find the push button on the spine of the ReSound ONE hearing aid.
Step 2 - Press and hold the push button for 1 second. A beep will sound to let you know the program has been activated.
Step 2 - Press and hold the push button for 1 second. A beep will sound to let you know the program has been activated.