from the manual
BREAK-IN NEEDLE SETTINGS
• MASTER NEEDLE - 5 TURNS OUT
• LOW-END(BLK) NEEDLE - 3.5 TURNS OUT FROM FLUSH
• MID/LOW-END(BRASS) NEEDLE - FLUSH
NORMAL NEEDLE SETTING
• MASTER NEEDLE - 4 TURNS OUT
• LOW-END(BLK) NEEDLE -3 TURNS FROM FLUSH
• MID/LOW-END(BRASS) NEEDLE - NO TURNS
http://www.ofna.com/pdf/eng-hyper21.pdf