If you wish to implement the ilec-sc7 on your glider, You will need to : * call the ilec-sc7.xml file from your model xml file * call the ilec-sc7.nas script from your [aircraft-name]-set.xml file * modify your sound.xml, including the following lines : variometer-up looped Instruments-3d/glider/vario/ilec-sc7/vario.wav instrumentation/ilec-sc7/audio 0 instrumentation/ilec-sc7/te-reading-mps 0.01 /instrumentation/ilec-sc7/sound-pitch 0 instrumentation/ilec-sc7/volume 1 variometer-down looped Instruments-3d/glider/vario/ilec-sc7/vario2.wav instrumentation/ilec-sc7/audio 2 instrumentation/ilec-sc7/te-reading-mps -10.66 instrumentation/ilec-sc7/te-reading-mps -0.01 /instrumentation/ilec-sc7/sound-pitch 0 instrumentation/ilec-sc7/volume 1