That was the first thing I tried, and was surprised that it did not seem to make any difference.
@renojim, thanks for that advice! [Settings->Audio->Menu volume].
I'm happy to find that works, both to adjust system sounds volume, and to turn it off completely if needed!
Thank you for your update, @DS67!
We sincerely appreciate your insights and want to assure you that we have carefully considered your comments. Your feedback will also be invaluable to other members of our community who may be encountering similar issues.
Thank you for your cooperation.
Warm regards,
Jharra