Yamaha Electone EL-900 Owner's Manual page 112

N O T E :
T he param eter value can be changed
qui ckl y w hen you press t he D at a C ont rol
but t on w i t h t he C O A R SE but t on hel d.
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2) T o edi t t he FM O perat ors:
1
A dj ust t he E nvel ope Param et ers of O perat or 1 (aft er t urni ng off t he
ot her O perat ors).
T he E nvel ope Param et ers cont rol t he l evel of t he sound and how
t hat l evel changes over t i m e. See page 122 for m ore i nform at i on.
For now , t ry m aki ng som e of t hese changes i n t he envel ope:
A dj ust t he O L (O ut put L evel ) param et er.
C hanging the O L param eter affects the volum e of the selected
O perat or.
R ai se t he O L param et er from 0 t o 110 by usi ng t he pai r of D at a C ont rol
but t ons j ust bel ow t he O L . (Pressi ng t he A
and pressi ng t he B
A dj ust t he A R (A t t ack R at e) param et er.
Pl ay t he voi ce and not i ce how t he changes you m ake affect t he i ni t i al
vol um e of t he voi ce. B y changi ng t hi s param et er you can m ake t he
sound gradual l y get l ouder (l ow er set t i ngs) or have i t reach i t s ful l
vol um e al l at once (hi gher set t i ngs).
but t on rai ses t he l evel ,
but t on l ow ers t he l evel . )
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