TP/9S
6509xxxx
TABLE 1-1 PRESS FORCE OF KEY
ITEM
CONDITION
STANDARD
Measured force on white key
after 1mm of travel at 5mm
depth from the front.
F
1
(mm)
5(mm)
F= 50 +/- 7 gr
Measured force on black key
after 1mm of travel at 10mm
depth from the front.
F
1
(mm)
10 (mm)
F = 65 +/- 7 gr
TABLE 1-2 CONTACT TRAVEL
ITEM
CONDITION
STANDARD
WHITE KEY
A: Travel at first contact
B: Travel at second contact
B-A: Gap between 1st and
2nd contact
FIRST CONTACT
SECOND CONTACT
5(mm)
B
A
A= 3.5 +/-0.8 mm
Weight at A = 70 +/- 7 gr
B = 6.5 +/- 0.8 mm
Weight at B = 85 +/- 7 gr
B – A = 3.0 +/- 0.5 mm
BLACK KEY
A: Travel at first contact
B: Travel at second contact
B-A: Gap between 1st and
2nd contact
FIRST CONTACT
SECOND CONTACT
B
A
10 (mm)
A= 1.8 +/-0.8 mm
Weight at A = 80 +/- 7 gr
B = 3.8 +/- 0.8 mm
Weight at B = 105 +/- 7 gr
B – A = 2.0 +/- 0.5 mm
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