Damping Adjustment - Yamaha Disklavier MX100A Product Handbook

4-6 Damping Adjustment

Adjustment of Key-Return Damping
Maintenance-mode adjustment of key-return damping is provided on models starting from MarkII PK-CTL
V1.23. PRO models do not include this adjustment (since control continues through key-return movement).
Purpose:
To suppress noise generated when keys begin return during playback, a momentary reverse force is applied
to the key by the solenoid at the start of key return. This is adjusted using the damping adjustment feature
described here.
Operation
Enter maintenance mode: Hold down [
Press [R] 11 times (or 8 times, if model DGT2IIXG or DGT7).
Press [PLAY] to start.
Check: Key return movement
Adjust: Damping value (0 to 16)
Use [+/YES] [–/No] to change the value.
Low values:
High values:
Tempo (t):
Volume (v): Adjust using normal volume control
*** KEYBOARD ***
*** Damp Adj ***
Damp
K = Key number
D = Damping value
t = Tempo
v = Velocity
Key returns quickly.
Key jerks back downward during return.
Default GP
S4
UP
DGT211XG
Use [→] [←] to adjust.
] and [ ] and switch on the power.
t100 v001
K=XX D=XX
14
10
6
14
5 with insulating sponge
0 From PK-CTL V1.13
II-26
From 97/12 #019670
From 98/5 #021004