Turn Off Alert Tone OR Vibration

Hi Garmin, 

I would like to swim with vibration pacing alerts ONLY and turn OFF the tone alerts.

My Garmin connect app (and web) say that alert tones are turn OFF for swim pacing, however, I am still getting alert tones.

Could you please advise how to fix?

Thanks,
Lee

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Device:  Swim 2

Software: V2.80