Guitar NutBuster GNB-001-6 User manual

For Standard (6) String Electric and Acoustic Guitars
having a fretboard that ends at the nut.
These are guitars that typically have a headstock with (3) tuners on-each-side, but not always.
IMPORTANT NOTE: Use (Setup Guide A) for Standard (6) String Electric and Acoustic Guitars
having a fretboard that extends past the nut.
Patents:
US 9,208,757
US 9,972,289
MADE IN USA Setup Guide (B)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved

Designed to be used on Standard (6) String Electric and Acoustic Guitars having a
common (1-3/8”, 1-13/32”or 1-7/16”) High E String to Low E String Spread at the Nut.
These are guitar models having a Total Nut Width of 1-11/16”(plus or minus 1/32”).
(See “Specifications”for Complete Guitar Compatibility Details)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved

Congratulations and Thank You for purchasing the
Guitar NutBuster®Tune Stabilizing System!
Proper setup and procedure by closely following this Setup Guide is key to gaining the most
benefit and having the very best experience possible while using the Guitar NutBuster®.
The Guitar NutBuster®offers significant control over the most common tuning problems
associated with a guitar’s nut however the overall tune stabilizing success will also depend upon
the quality and functionality of the guitars bridge hardware.
It is recommended to use a new set of guitar strings and the aid of a digital tuner during the
installation.
Contents:
Step 1: Preparing For Installation (Raising the Micro-Tuners) (1)
Step 2: Preparing For Installation (Raising the Clamp Blocks) (2)
Step 3: Initial Setup & Sliding Into Position (3)
Step 4: Lowering the Micro-Tuners and Clamp Blocks (5)
Step 5: Stretching-Out the Strings and Initial Tune-up (6)
Step 6: On-Board Micro-Tuners Initial Setup (7)
Step 7: Clamping Down/Tune Locking (9)
Step 8: Tuning Start Point For (Tremolo Equipped Guitars) (10)
Step 9: Final Tuning Adjustments (11)
Specifications: (13)
ONITRA, LLC
8984 Darrow Rd., Suite #2-109
Twinsburg, OH 44087
www.GuitarNutBuster.com
Intro
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved

Step 1.
Preparing For Installation (Raising the Micro-Tuners)
Loosen and raise all (6) Micro-Tuners (do not remove) in order to open up the string paths and
allow adequate clearance for the new strings to easily pass through during installation.
Blocked Micro-Tuner string paths.
(Blocked string paths)
(Fig.1)
Slightly raise Micro-Tuners by loosening. (Do Not Remove)
(Opened string path)
(Fig.2)
Allow adequate clearance for the new strings to easily pass through during installation.
(Opened string paths)
(Fig.3)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Step 2.
Preparing For Installation (Raising the Clamp Blocks)
Using the (2.5mm) Allen key provided, loosen and raise all (3) Clamp Blocks (do not remove) in
order to open up the string paths and allow adequate clearance for the new strings to easily
pass through during installation. By patented design, the Clamp Blocks will automatically lift
upward when loosened alleviating the need for them to ever be removed. Reset the Allen Key
back onto its magnet holder when finished.
Blocked Clamp Block string paths.
(Blocked string paths)
(Fig.4)
Use the Allen Key provided to slightly raise the Clamp Blocks by loosening.
(Do Not Remove)
(Opened string path)
(Fig.5)
Allow adequate clearance for the new strings to easily pass through during installation.
Reset the Allen key onto its magnet holder when finished.
(Opened string paths)
(Fig.6)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Step 3.
Initial Setup & Sliding Into Position
The Guitar NutBuster®is installed by simply fishing the strings through it and into the guitar
tuners during a normal string change routine. Begin by removing all of the old strings. It is
recommended to use a new set of guitar strings and the aid of a digital tuner during installation.
This setup guide is for standard (6) string electric and acoustic guitars having a fret board that
ends at the nut. These are guitars that typically have a headstock with (3) tuners on-each-side,
but not always.
IMPORTANT NOTE: Use (Setup Guide A) for Standard (6) String Electric and Acoustic Guitars
having a fretboard that extends past the nut.
Stringing Up: Temporarily placing the Guitar NutBuster®on the fretboard is very helpful
during the initial installation. String up the guitar as normal while fishing them through the
Guitar NutBuster®and into the guitar tuners. Keeping a slight tension on each string as
they’re installed will gently hold the Guitar NutBuster®in place until all (6) strings have
been attached.
(Fishing the strings though the Guitar NutBuster®and into the guitar tuners)
(Fig.7)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Sliding Into Position: With all strings now attached, hold the Guitar NutBuster®with
one hand and pull upward to maintain some tension on the strings. With your other
hand, slightly loosen each string just enough to safely lift-up and slide the Guitar
NutBuster®down the neck and then carefully up and over the nut into its proper working
position over the headstock. Once in place, slightly tighten each string back up to put
some tension back on them.
(Lift-up and slide the Guitar NutBuster®down the neck and then
carefully up and over the nut into its proper working position)
(Fig.8)
Proper Positioning: With this setup, the Guitar NutBuster®is suspended over the
headstock, positioned straight and parallel with the nut having each string centered
within the Micro-Tuners arched openings. It can be placed in direct contact with the
guitar’s nut (for best results) or can be slightly away from the nut to function properly.
(Suspended over the headstock, positioned straight and parallel with the nut and in direct
contact or slightly off of the nut, each string is centered within the Micro-Tuner arched openings)
(Fig.9)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Step 4.
Lowering the Micro-Tuners and Clamp Blocks
The Guitar NutBuster®should be suspended on the strings and located in its proper setup
position over the guitar neck headstock.
Slowly lower all (6) Micro-Tuners until they make contact with the string and then back
off each one by ¼ turn.
(Lower all (6) Micro-Tuners to within ¼ turn of contacting the strings)
(Fig.10)
Using the Allen key provided, slowly lower the Clamp Blocks until they become snug and
then back them off only by ¼ turn.
(Lower all (3) Clamp Blocks to within ¼ turn of being snug)
(Fig.11)
At this point, the Guitar NutBuster®should still slide on the strings and be located in its
proper position over the headstock with the Micro-Tuners and Clamp Blocks lowered to
within ¼ turn of being engaged.
(Located in its proper position over the headstock)
(Fig.12)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Step 5.
Stretching-Out the Strings and Initial Tune-Up
To avoid unnecessary tuning adjustments after the Guitar NutBuster®is put into use, it is
highly recommended to thoroughly stretch-out strings and re-tune guitar as needed
before proceeding.
(Thoroughly stretch-out strings and re-tune guitar as needed before proceeding)
(Fig.13)
Final Positioning Check List:
The Guitar NutBuster® is suspended over the headstock, straight and parallel with the nut.
It is placed in direct contact with the nut (for best results) or can be slightly away from the nut.
Each string is centered within the Micro-Tuner arched openings.
The Micro-Tuners are lowered to within ¼ turn of being in contact with the strings.
The Clamp Blocks are lowered to within ¼ Allen Key turn of being snug.
Note: Having an even and balanced operating position is extremely important to eliminate
the chance of any string buzz at the nut.
(Suspended over the headstock, positioned straight and parallel with the nut and in direct contact
or slightly away from the nut, each string is centered within the Micro-Tuner arched openings)
(Fig.14)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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Step 6.
On-Board Micro-Tuners Initial Setup
The On-Board Micro-Tuners are used to conveniently make micro tuning adjustments after the
strings have been clamped down and locked into position. To properly utilize the Micro-Tuners
they must always be engaged and in contact with the strings. A non-engaged or loose Micro-
Tuner could potentially vibrate off the Guitar NutBuster®and become lost. Setting up the Micro-
Tuners “usable range”requires that each string first be slightly detuned using the (headstock
tuners) and then tuned back up to pitch using the (Micro-Tuners).
Micro-Tuner “Usable Range”Setup (Part 1):
The guitar should be in-tune with the Guitar NutBuster®suspended on the strings and
located in its proper working position over the headstock. Using the guitar’s headstock
tuner, very slightly de-tune the low “E”string by only a few cents from its proper pitch.
Note: Over de-tuning will significantly reduce the Micro-Tuner’s “Usable Range”
once they’re engaged.
(Use the guitar’s headstock tuner to slightly de-tune the low “E”string from its proper pitch)
(Fig.15)
© 2019 Guitar NutBuster® Setup Guide (B) - All Rights Reserved
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