Ibanez AM53-SRF Mode D'emploi page 56

1 With the guitar tuned correctly, check the angle of the tremolo.
2 If the tremolo is tilted forward, insert a Philips screwdriver through the
slit in the tremolo spring cover on the back of the body, and tighten the
screws to increase the tension of the tremolo springs.
3 If the tremolo is tilted toward the rear, loosen the screws to weaken the
tension of the tremolo springs.
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Because the balance of tension between the strings and the springs will
change each time you adjust the tension of the tremolo springs, adjust-
ing the tremolo angle will affect the tuning. Youʼll need to tune the guitar
repeatedly while performing this adjustment.
・Models equipped with the zero point system
The angle at which the tremolo is attached is adjusted by the balance
between the tension of the strings and the zero point system installed
on the back of the guitar body. The Edge-Zero 2 tremolo bridge is
designed so that when the zero point system is correctly adjusted,
the tremolo will be approximately parallel with the surface of the guitar
body, and will perform optimally when in that state.
When the zero point system is correctly adjusted, the stop rod will be
in fi rm contact with the tremolo block and the stop rod will be touching
the stopper.
1 With the guitar tuned correctly, check the zero point system.
2 If the stop rod is not touching the stopper (i.e., if the tremolo block is
pushing up the stop rod), turn the spring adjustment knob located on the
back of the body toward the "plus" direction to tighten the main spring.
3 If the tremolo block is not in fi rm contact with the stop rod (i.e., if the
tremolo is tilted toward the rear), turn the spring adjustment knob toward
the "minus" direction to loosen the main spring.
TREMOLO SPRING / ZERO POINT SYSTEM
・Models not equipped with the zero point system
When shipped from the factory, the guitar is set up with three tremolo
springs installed in parallel.
If the balance of tension between the strings and the tremolo springs
has changed signifi cantly, such as when you switch to a different gauge
of strings or use a dropped tuning, you may need to change the number
of tremolo springs or change the way in which they are installed.
1 Use a Philips screwdriver to remove the spring lock.
2 If you want to increase the tension, install the outer two tremolo springs
diagonally.
3 If you want to decrease the tension, remove the center tremolo spring.
If you want to install four or more tremolo springs, attach them using the
screw holes that were being used to attach the spring lock. (It will no
longer be possible to attach the spring lock.)
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