Yamaha Disklavier MX100A Product Handbook page 67

Work Flow
UP LOUD PEDAL
1.Acoustic Pedal Adjustment
2.Pedal Measurement
3.Half Point Manual Adjustment
4.MIDI 7F Manual Compensation
GP LOUD PEDAL
1.Acoustic Pedal Adjustment
2.Pedal Measurement
3.Half Point Manual Adjustment
1. Acoustic Adjustment
UP, GP, and PRO models
Pedal adjustment differs from that carried out for conventional acoustic pianos.
......... The following label is attached to the middle of the bottom board.
[Upright models]
(MarkII~)
UP SOFT PEDAL
1.Acoustic Pedal Adjustment
2.Pedal Measurement
3.MIDI 7F Manual Compensation
GP SHIFT PEDAL
1.Acoustic Pedal Adjustment
2.Pedal Measurement
PEDAL ADJUSTMENT PROCEDURES
Loud pedal :
1) Check and adjust the gap (L) to 2±0.5mm by turning the wing nut (A)
while the pedal is fully depressed.
2) Rotate the rod adjuster (B) so that the damper felt are lifted off to
4±1.5mm from strings.
3) Reconfirm the pedal condition of the acoustic part.
4) Perform the loud pedal measurement by using maintenance mode.
5) Adjust the timing of pedal half point to 1.5sec by the above function.
6) Perform the MIDI 7F adjustment by the above function.
FUNC/EDIT button → depress pedal fully → RECORD button
Soft Pedal :
1) Hold and raise up the cylinder (C) until (L) = 0mm lock it by pushing
the lock solenoid (D), then quit your hold (MUTE position).
2) Rotate the rod adjuster (B) so that the hammer striking distance
becomes 15mm from strings.
3) Unlock (D) by pushing up the cylinder (C).
4) Adjust the hammer striking distance when the pedal fully depressed
so that it becomes 25mm from strings by turning the wing nut (A).
5) Perform the soft pedal measurement by using maintenance mode.
6) Perform the MIDI 7F adjustment by the above function.
FUNC/EDIT button → depress pedal fully → RECORD button
Please refer to MAINTENANCE HAND BOOK for the detail of the func-
tion.
II-15