&NAMSTD
 nomfich = 'ELL.BIN',
 nomfichder = 'DER.BIN',
 nomascpos = 'ORBELP.ASC',
 nomascneg = 'ORBELN.ASC',
 datedebut=-20.D0,
 datefin=+10.D0,
 statut='unknown'
 &END