Yamaha T121 User Manual - Page 14

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TUNING AND

ADJUSTMENT

Pianos are delicate instruments

which need professional atten-

tion periodically. Basically

there are two types of profes-

sional piano care: tuning and

adjustment.

Tuning means correcting the

pitch of every note by retight-

ening the strings. Each piano

string is normally stretched

to a pressure of about 90 ki-

lograms (198

pounds), but

eventually it will stretch fur-

ther with use and lose some of

its tension, causing the piano

to lose its correct pitch. The

strings need to be tuned once

or twice a year to restore them

to their proper tension.

Adjustment involves the entire

piano action, keyboard and

pedal movements. Proper

STIMMEN UND

a d j u s t m e n t i s e s p e c i a l l y

NEUEINSTELLEN

important for grand pianos.

Whether the piano will per-

form properly or not depends

Stimmen bedeutet, den Tonab-

stand berichtigen, indem man

on how accurately the adjust-

die Saiten nachzieht. Jede

ment is made.

Pianosaite ist so gespannt, daß

Tuning and adjustment should

sie eine Belastung von etwa

be done by an expert. When

90 kg aushalten kann. Selbst

your piano requires either one,

bei bester Pflege dehnen sich

ask your Yamaha dealer or

die Saiten und verlieren nach

call a specialist. Your dealer

und nach etwas von ihrer

can also advise you about the

Spannung, wodurch der Ton

interval between adjustments

unrein wird. Unter normalen

for your piano under the cir-

Umständen genügt ein zwei-

cumstances in which it is used.

maliges Stimmen pro Jahr.

调律和整调

钢琴是复杂精密的乐器，

需要定期的专业护理。调

律和整调是两种基本的

AFINACION Y

护理方法。所谓调律就是

AJUSTE

拧紧琴弦使其达到一定

的音高。每根琴弦所承受

Los pianos son instrumentos

的张力约 90 公斤，经过

delicados que requieren aten-

一段时间的弹奏，琴弦会

ción professional periódica-

变松，影响音准，所以钢

mente. Básicamente hay dos

琴每年需要调律 1-2 次。

tipos de cuidado profesional

para el piano: afinación y ajus-

整调包括钢琴击弦机、键

te.

盘和踏板系统的调整。正

Afinación significa corregir el

确的整调对三角钢琴尤

diapasón de cada nota reajus-

其重要，钢琴能否有理

tando las cuerdas. Cada cuer-

想的演奏性能依赖于如

da de piano es normalmente

何准确地进行整调。

tensada a una presión de cerca

de 90 kilos (198

lbs), pero

调律和整调应由专业人

eventualmente la cuerda se es-

士操作，若您的钢琴需

tirará más con el uso perdien-

要护理，请通知经销商

do su correcto diapasón. Las

或专业人士。您的经销

cuerdas necesitan ser afinadas

商还会根据当地的气候

una ó dos veces al año para

条件向您建议调律和整

devolverles la tensión adecua-

调的具体时间。

da.

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