Moves the auxiliary port filter wheel to a given position.
2=to: 2!:}Format: AUXFILTER <filterposition>
2=to: 2!:}Example: AUXFILTER 3
2=to: 2!:}Range: 0 to 5.
2=to: 2!:}Comments: The filter wheel has positions 0 to 5, and the names of the filters mounted in each position are usually listed on the white board in the control room.