How to lock the keys?

Press and hold the "Cond/>" switch on the front panel for 2 seconds or more. This procedure makes the keys lock.


While the keys are locked, key operations are not accepted. If you perform a key operation in the key lock mode, "K.P." (Key Protect) is displayed at the bottom center of the display unit.


To unlock the keys, press and hold the "Cond/>" switch for 2 seconds or more again.


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