Thanks anyway, Daniel. I really appreciate your effort. Although I am very satisfied with the pressure I was able to create, I do feel obliged to point out there is probably more wrong with my device than the low volume. I sent the vendor a similar e-mail. Carlo Daniel Wagner schrieb: >> I have check in on the trunk a test command which is suppose to set >> the volume. I haven't tested it completely since I'm tired and my head >> starts to hurt... > > you don't have to test. it wont work. >