II-41
● Sustain pedal
Slowly depress the pedal and confirm by listening to the buzzer. (Use headphones.)
Check: • The first buzzer should come on as soon as the pedal has moved just a small amount.
• The second should come on when the damper wood has come up just a small amount
(0.5 mm).
• The third buzzer should come on just before the stroke-end.
* For GT models: Confirm 3-level buzzer output.
Adjust: VR1 adjuster on the sensor sheet (at front of treble section); or mechanical adjustment.
(Not required on GT models.) See Fig. 1 and Fig. 2
● Shift pedal
Slowly depress the pedal and confirm by listening to the buzzer. (Use headphones.)
Check: • The first buzzer should come on when the pedal depth is 3–4 mm.
• The second buzzer should come on when the pedal is pressed down somewhat further.
• The third buzzer should come on just before the stroke-end.
* For GT models: Confirm 3-level buzzer output.
Adjust: Mechanical adjustment (Not required on GT models.) See Fig. 2
● Sostenuto pedal
Slowly depress the pedal and confirm by listening to the buzzer. (Use headphones.)
Check: The buzzer should come on when the sostenuto rod is between the tab lip take-up position
and the pedal stroke-end position.
* For GT models: Confirm 1-level buzzer output.
Adjust: Mechanical adjustment (Not required on GT models.) See Fig. 2
<Fig. 1>
<Fig. 2>
Mechanical adjustment
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