For an optimum reception in peripheral areas of southwest respectively southeast vacation regions, the turning of the LNB into the appropriate direction is necessary. The polarization missing angle caused by the curvature of the earth will be balanced by Skew. It will be automatically recognized, into which direction the LNB must be turned. The adjustment are carried out by a special, additional engine. If desired, all Oyster digital versions are available with fully automatic SKEW adjustment (Please order Skew option separately with the add-on).