What did you answer?
Mine - No bells. Last bike that came with one I kept it on for a while, tried it. Useless. No one heard it. I also think its a bit tantamount to a Horn in saying "Out of my way". I know that's not how it's meant. Its just a cheery - here I am!
I go for slowing to about twice walking pace, and a cheery, "Good afternoon" about 20/15 metres out - usually followed by "No you don't need to fling yourselves into the undergrowth, I can go round you I just wanted you to know I was there."