MITSUMI CLASSIC KFK-EB9HY
Does no work:
LEFT+UP+0 and RIGHT+UP+0- toggles color on/off
LEFT+DOWN+0 - toggles on 1 5 6 0 CS and V keys
RIGHT+DOWN+0 - -//- 6 8 0 CS X V
1+4+5 and 2+4+5 - only 2 keys works, 4+5+some keys = many zx keys pressed
same with
Q+R+T
W+R+T
A+F+G
S+F+G
Z+V+B
X+V+B
I just love these keyboards =)