Advertisement
ADJUSTMENT
The following adjustrnents
may be nec-
essary
from
time
to
time.
Specially
when you nave replaced
with the string
of a different gauge, ail the adjustments
are required
a. Adjusting the warp of
neck
By rotating the Rod
Adjuster
Nut
with
the supplied wrench, adjust the warp of
the neck. Turning the wrench clockwise
will make convex bend and the counter-
Clockwise the other way round
* Concave bow
7
strings
<
a
{
——
N
"neck
*® Convex bend
_oa= strings
a
neck
b, Adjusting the string
height
1 Loosen the small screws A on the
tailpiece
= with
the
supplied
wrench.
2 By rotating
the
small
screws
B,
adjust
the
height
of
the
bridge
saddie.
The following is the height of the
strings set at the factory. The dis-
tances
are
taken
between
the
bottom
of a string and
the
12th
fret wilh open string.
1st string
: 2.5mm
2nd string:
2.6mm
3rd string : 2.8mm
Ath string : 3.0mm
3 When
you
have
adjusted
ail the
strings, tighten
the small screws
A.
NOTE
if a string's height 1s too low, it tends to
touch the frets causing unstable pitch
c. Octave Adjustment
1 Loosen the small screws A on the
tailpiece.
2 Loosen the cross-head screws C
with a screw driver and move the
bridge saddle so that the 12th fret
pitch is exactly an octave higher
than that of the open string.
"For
more
accurate
tuning,
use
the
tuner (e.g. BOSS TU-12, TU-12H, etc}
3 When
adjustment
is
completed,
tighten the screws A.
d. Adjusting the height of
the Hum Bucking
Pickups (pickups for
normal bass sound)
By rotating
¢t
ad
sc
e. Adjusting the height of
the divided pickup
This is the most important adjustment of
all So de it with extreme accuracy.
Rotate
the cross-head
screws
E tial
haid
the divided
pickup
with a screw
driver so that the distance from the bot-
tom of the tst and the 4th strings to the
divided pickup 1§ about Imm
"Use the supplied gap gauge F that is
exactly 1mm high to make a distance
of mm
tf. Adjusting the output level
of the guitar
ff your
G-77
is stil in Gnsatistactory
eondition even after all "a" to "e" adjust
menis are done,
adjust the output level
ef ihe guitar
"How
tc adjust the output tevel of tne
Quitar is fully explained in the owner's
manual of the GR-77B
Setup with the GR-33B
In
G-77
1s specially designed
for ine
Setting up the G-77
cath the
wall Cause
the following
prot:
1 The reaction
of the GR-33B
will
be unstable.
2 The GR-33B's
output level will be
somewhat lowered.
Roland
Advertisement
