I have a L12 audio mixer & i do not know what all the button are for I was hoping to get a manual so it help me understand how to best get the best sounds out of it my ph is 0401142241 rob
If you search on the main alto site and get nothing, there's a little link at the bottom which takes you to a legacy site. Searching again fails, but using the product menu options yields this page which has the downloads you need.