Pressing 2nd and 4th auxiliary functions for 3 sec - Deactivates Child-proof lock

What does 2nd and 4th auxiliary functions for 3 sec (deactivation) mean?

Holding down the 2nd and 4th auxiliary function buttons for about 3 seconds deactivates the child-proof lock. The display will show 'C:OFF' to confirm deactivation.

• The user intentionally deactivated the child-proof lock.
• This allows normal operation and program modification.

Click steps to track your progress.

1. 1

   Press and hold the 2nd and 4th auxiliary function buttons for 3 seconds to deactivate.

2. 2

   Ensure the lock is off before attempting to change program settings.

3. 3

   The 'C:on' message will appear again if the lock is reactivated.