The following keys are used to define a STANDARD XSHOOTER setup:
ins.opti2.name (= IFU/SLOT) ins.opti3/4/5.name (= slit width for different arms) det.win1.binx/y (= binning along x/y axis; UVB and VIS only) det.read.clock (= readout mode; UVB and VIS only) det.dit (= exposure time, NIR only)