... AUTOTAPE is an obsolete parameter that only applied to tape. ... AUTOTAPE is used to request that automatic tape allocation and control be used at stations that use the VLBA control system and have more than one tape drive. ... AUTOTAPE>=2 also activates automatic reversal of the tapes when the low tape mark is reached, even in the middle of scans; with AUTOTAPE=1 the tape will stop at the low tape point and wait for the next scan. ... For Mark II, AUTOTAPE requests automatic tape changes. ...