QC81520 0609 Printed in Korea String Action Adjust the tremolo unit height by rotating the height adjustment bolts q. Intonation Adjustment If the pitch at the 12th fret is sharp compared to the harmonic tone: Turn the intonation adjusting screw w clockwise. If the pitch at the 12th fret is flat compared to the harmonic tone: Tune the intonation adjusting screw w counter-clockwise. e q Arm Tension Turn the arm tension screw e clockwise to make the arm tighter. Turn the arm tension screw e counter-clockwise to make the arm looser. w q w w w e q e w ...