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If the key lock is activated, all key functions are disabled. This is useful for
preventing unwanted operation of the device during sports or when trans-
porting it in a briefcase or tote bag.
>
First press and hold the Ml/" key. Now press the menu key at the
same time in order to lock the keys.
The following symbol appears.
>
To remove the key lock, proceed as described above.
Key lock
11
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