There are a LOT of selections in FSUIPC for buttons to do different things. So that's awesome. Some of them are very obvious. But others are not. Is there a guide to what the selections are? Like "Nav 1 Sound Toggle" or "Nav 1 sound set"....I thought one of these would turn on the Nav 1 radio to listen to the Ident of the nav station. But neither work for me. Also I'm flying the Milviz 310R and there is no selection for boost pump 1 and 2?? thanks.