16-6
IM 701240-01E
16.5 Locking the Keys
Procedure
Locking the Keys
Press
PROTECT
. The LED above the key illuminates, and the keys are locked.
Releasing the Lock
To release the lock, press
PROTECT
again.
Explanation
This function locks the operation keys so that the current SL1400 condition is not
changed accidentally. When keys are locked, all keys other than the PROTECT key
cannot be used.
Note
When keys are locked, operations using the USB mouse and USB keyboard are also
disabled.