Not sure about the TAC 34. You may be thinking of the TAC 32 which is the non proprietary controller. It has a UIT that will allow access to all the adjustment parameters and menus. I haven't worked on many of these but I have seen them before. I'm sure all the boards are available from Vertx but I'm not sure how good this equipment stands up to say MCE or EC. Maybe someone can chime in if they have some experience with these....
