Donner DST-152 Manual Del Usuario página 10

NOTE:
Most strings need to adapt to the new tension. After replacing the strings, you'll notice that the strings will keep going out of tune until they
have acclimated and stabilized the pitch. And this is a normal phenomenon, only needs to repeat the tuning and stretching cycle until each
string's pitch stabilizes.
NECK RELIEF/ TRUSS ROD ADJUSTMENT/ FRET BUZZ
1.NECK RELIEF
- Neck relief refers to a small amount of concave bow intentionally created in the neck of a guitar or bass by adjusting the truss rod.
Increasing the space between the strings and the frets, allowing them to vibrate freely without buzzing.
- Inconsistent action and obvious string buzz may be indications that a neck is out of adjustment. Neck adjustments must be done accurately
for proper action, intonation, and fretting. When you finish adjusting the neck, the neck should be slightly concave, we call it neck relief.
- Neck relief checking: We check the neck relief by pressing the string on the first and last fret with the relief set up correctly, the height of the
string above the 8th fret should be measured at about 0.5mm is usually plenty of bow.
2. TRUSS ROD ADJUSTMENT
To adjust the truss rod, first locate the truss rod access at the headstock, remove the truss rod cover (if it has), and insert the correct size alien
wrench to adjust.
- If the string is higher (concave neck), one should tighten the truss rod, which means turning the adjustment screw clockwise. (Figure A)
- If the string is lower (convex neck), one should loosen the truss rod, which means turning the adjustment screw counter-clockwise. (Figure B)
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