Garmin Fenix 7 Sapphire Solar and Varia RTL515

Hello,

I have connected the Varia Radar RTL515 to my watch Fenix 7 SS successfully and I can get the alerts on the watch with sound.

However how can I disable the sound on the Fenix ​​watch from the radar device ? I only want visual or vibration.

In the sensor settings in the bike profile, there are no sound alerts or vibrations, only in the Varia application on phone application, which I don't use.

Is there a way to control sounds from my watch ?

Thank You,