You've ever been to a junkyard? If you pick up a broken amplifier, it's not going to have a user manual taped to it. You're going to have to figure things out.

You've ever been to a junkyard? If you pick up a broken amplifier, it's not going to have a user manual taped to it. You're going to have to figure things out. This is essentially code junkyard. 13 years old and rusting.