ladys and gentlemen: i want to use visual C++6.0 to program with Agilent N4010A(bluetooth).by now,i can't get the working condition(IDLE,TXTEST,LBTEST) of the test set.i hope every professional developer can give me some tip or some information.it is best if you can write a sample(wiht c language) about getting the condition of the test set. thanks very much for everybody to join in.