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

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

Holding down the 2nd and 4th auxiliary function buttons for approximately 3 seconds activates the child-proof lock. The display will show 'C:on' to confirm activation.

• The user intentionally activated the child-proof lock.
• This feature is used to prevent children from altering the program settings.

Click steps to track your progress.

1. 1

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

2. 2

   Ensure this function is activated if children are present to prevent accidental changes.

3. 3

   To deactivate, repeat the same process.