Thx Peter!
(1) And any idea on my second query? the little icon on the left side to the botton is not visible to me so i cannot open up the calculation map
(2) Also I do not find the Ship recognition booklet. When I press "E" and choose ship recognition then no booklet appears (where I can send the mast height to TDC) but sheets with pictures of the ships and other data appears but without a link to send data
Sorry to bother you so often......