Keyboard config

2010.1, everything worked normally.

I tried (in vain) to activate SCIM to be able to input Japanese kanas and 
kanjis, after which I tried to restore the status quo ante: the problem is 
that now, I cannot get the characters in the bottom-right corner of the keys, 
normally accassed with aht Alt-Gr key.

Any idea what I faile to restore ?
 
Cheers,
 
Ron.
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