Congratulations on your purchase of the Vestax QFO LE DX. There have been instructions added to the CONNECTION section in page 10. Please be sure to completely read this supplemental instruction sheet together with the user's manual to use the QFO LE DX safely and obtain its best performance. â‘ The SUB PHONO/LINE select switch on PGM2 is marked as the THRU/VINYL switch on the QFO LE DX. (fig.