Yamaha TP-7220 Manuel du propriétaire - Page 7

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Repeat steps

through

bolt is exactly the same.

Check the sound by striking the head as de-

scribed in step

G Sound lower than tuning note

¡ Tune the instrument by tightening all tun-

ing bolts by an equal amount (max. 1/16

of a turn).

G Sound higher than tuning note

¡ Tune the instrument by loosening all tun-

ing bolts by an equal amount (max. 1/16

of a turn) according to the procedure de-

scribed in step

Operate the pedal as described in step

pitch does not change, the instrument is tuned

properly.

(If the pitch changes, repeat from step

The instrument is now tuned to the lowest sound

(note) of its tonal range. Depress the toe of the

pedal to change to a higher pitch (note).

After tuning, perform x Pedal Adjustment and

then c Tuning Indicator Adjustment.

until the pitch at each

. If the

Adjusting The Sound Of Your Timpani

x Pedal Adjustment

After depressing the toe and heel of the pedal, turn

the spring tension adjustment bolt as described be-

low.

G Heel moves up when releasing the foot from

the pedal after depressing the heel, or heel

feels heavier than toe

¡ Turn the spring tension adjustment bolt to

the left (counterclockwise)

G Toe moves up when releasing the foot from

the pedal after depressing the toe, or toe feels

heavier than heel

¡ Turn the spring tension adjustment bolt to

the right (clockwise)

Turning the spring tension adjustment bolt is per-

formed using the timpani key. Do not turn by too

many full rotations at once, but re-check the adjust-

ment state every 2 turns by depressing the toe and

heel of the pedal.

Do not loosen the spring tension ad-

Note

justment bolt by more 3 rotations at a

time, as the toe of the pedal tends to

drop abruptly after a specific point.

Never put your hands etc. under the

Caution

pedal.

Spring

G Pedal balance spring mechanism

Your Yamaha pedal timpani is equipped with a unique

pedal balance spring mechanism (a coil spring coun-

teracting the tension of the head) which allows you to

freely change the pitch (note) of the instrument at an

instant. When the pedals are moved, the pitch of the

head will change, and the balance spring ensures that

the pedal angle (pitch) will not change when you re-

move your foot from the pedal.

Spring tension

adjustment bolt

Timpani key