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Y Nomenclature of Keys
E1
C2
Y Key Matrix
Each key has two contacts, the fi rst contact
[NOTE] The diagram below illustrates how the contacts work.
Second contact
KC0
FI0
SI0
FI1
B1
SI1
B1
FI2
G2
SI2
G2
FI3
D3#
SI3
D3#
FI4
B3
SI4
B3
FI5
G4
SI5
G4
FI6
D5#
SI6
D5#
FI7
B5
SI7
B5
FI8
G6
SI8
G6
FI9
D7#
SI9
D7#
CIRCUIT DESCRIPTION
C3
C4
and second contact
Key
First contact
KC1
KC2
E1
F1
E1
F1
C2
C2#
C2
C2#
G2#
A2
G2#
A2
E3
F3
E3
F3
C4
C4#
C4
C4#
G4#
A4
G4#
A4
E5
F5
E5
F5
C6
C6#
C6
C6#
G6#
A6
G6#
A6
E7
F7
E7
F7
C5
.
FI
KC
SI
KC3
KC4
F1#
G1
F1#
G1
D2
D2#
D2
D2#
A2#
B2
A2#
B2
F3#
G3
F3#
G3
D4
D4#
D4
D4#
A4#
B4
A4#
B4
F5#
G5
F5#
G5
D6
D6#
D6
D6#
A6#
B6
A6#
B6
F7#
G7
F7#
G7
– 5 –
WK-240
C6
C7
KC5
KC6
G1#
A1
A1#
G1#
A1
A1#
E2
F2
F2#
E2
F2
F2#
C3
C3#
C3
C3#
G3#
A3
A3#
G3#
A3
A3#
E4
F4
F4#
E4
F4
F4#
C5
C5#
C5
C5#
G5#
A5
A5#
G5#
A5
A5#
E6
F6
F6#
E6
F6
F6#
C7
C7#
C7
C7#
G7
KC7
D3
D3
D5
D5
D7
D7
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