Gt40, yes, that's exactly the situation visually. yes, the work of the appearance is often a concern. In my case, the situation is the first time, my connection. Although the resolution is any less, then gradually increased until a correct result. on this issue is resolved. remains then, the parameter of the traffic. Is limited, the number of users, for increased pressure capabilities. then be limited particles, or retained. We know that the operation of SL, can not be used offline. Therefore a priority, while the adjustment must be made online. Incase of unexpected shut off. It is better to prepare in advance, on a notebook, priority operations, conducted online. It is obvious that all online operation failed, SL, do not memorize. This is a very meticulous. Especially the precision of the parameter. But I must return to this point. There's also, time periods, the use of a quiet hour. Against periods of heavy traffic. To properly discussed, with the united states, we must educate, advise users on, Americans, they know, places, quieter, for avoiding the crash, or unexpected shut off.