Yamaha TP-7026 Руководство пользователя - Страница 9

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Other Features

I Pedal Adjustment Clutch

Using the PAC, you can adjust the rotational torque

of the pedal to a comfortable pedal force without

degrading the smooth pedal action. In addition, the

PAC is useful in preventing undesirable happenings

such as slight movement of the pedal when the head

is struck strongly causing a small change in pitch.

PAC adjustment bolt

The PAC (Pedal Adjustment Clutch) is an original

Yamaha mechanism that enables you to adjust the

pedal's rotational torque (the force required to move

the pedal) by altering the amount of friction within the

pedal balance spring mechanism.

G PAC Adjustment

Use the timpani key to turn the PAC adjustment bolt

as follows:

Turn the PAC adjustment bolt to the right (clockwise)

to tighten the pedal movement.

To return the tightened pedal movement to the initial

rotational torque setting, turn the PAC adjustment

bolt to the left (counterclockwise).

* Be sure to turn the timpani key using one hand

only.

* Do not use both hands or an additional tool.

The TP-50xx (H/G) / TP-70xx (H) series use a

wing bolt on the PAC adjustment system.

Note on PAC Usage

• The pedal cannot be locked with the PAC,

even at its tightest position.

(Do not try to use the PAC for locking the

pedal, for example to prevent the toe of the

pedal from jumping up when the head is re-

moved.)

• The PAC adjustment bolt has limit positions in

both turning directions. If the bolt is hard to

turn, do not force to overtighten it because this

may cause damage to the mechanism.