IBM MX5 - Manual (Page 33)

Press These Keys and Then … To Get This
Key / Function Blue Orange Shft
Press This Key
F3 Orange 3
F4 Orange 4
F5 Orange 5
F6 Orange 6
F7 Orange 7
F8 Orange 8
F9 Orange 9
F10 Orange 0
F11 Blue 1
F12 Blue 2
F13 Blue 3
F14 Blue 4
F15 Blue 5
F16 Blue 6
F17 Blue 7
F18 Blue 8
F19 Blue 9
F20 Blue 0
F21 Orange Shft 1
F22 Orange Shft 2
F23 Orange Shft 3
F24 Orange Shft 4
a A
b B
c C
d D
e E
f F
g G
h H
i I
j J
k K
l L
m M
n N
o O