gunrunnerjohn posted:In conventional mode, you'll have continuous horn or bell, depending on which way you're running. The motors are typically 12V, so you could run them on variable DC with polarity reversal for direction control.
What?
When I test a board on the bench with DC, the bell or horn doesn't play continuously that I remember.
I also run DC outside in command. I'll have to go try it without the TIU.