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K44 Duo Installation & User manual 
13
ENG
Erase codes
Enter A22.
Enter the current code. If it is a 4-digit code, 
enter A after the last digit. 
If it is a 4-digit code, enter 0000. If it is a 6-digit 
code, enter 000000.
Enter 0000 (000000) again.
Enter 0.
Enter 0 once again.
Erase the next code by continuing from step 2 or 
press B to exit.
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2�
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4�
5�
6�