9 disabling the key operation, Key lock, Activating key lock – KEYENCE FS-N10 Series User Manual
Page 45: Deactivating key lock, Disabling the key operation -23, Key lock -23, Disabling the key operation

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- Digital Fiber Sensor FS-N10 Series User's Manual -
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Disabling the Key Operation
The key lock function disables all key operation to prevent unauthorized use.
Activating key lock
1
Press and hold the [MODE] button and
(or
) simultaneously for 3 seconds
or more.
The screen displays "
Loc
", disabling key
operation and displaying the current
received light intensity.
Deactivating key lock
1
Press and hold the [MODE] button and
(or
) simultaneously for 3 seconds
or more.
The screen displays "
unL
", enabling key
operation.
• The key operations on the expansion unit can be locked from the main
unit.
"Common Key-Operations Function" (page 4-34)
• By using the network unit NU series, key locks which could only be dis-
abled via the network can be set. This function allows you to change only
the necessary settings with a PLC and touch panel. Refer to the NU
Series User's Manual for details.
Key Lock
Reference