To change master/user codes from your panel, follow the steps listed below:
Click on the Settings icon in the bottom left of the home screen
Touch the Advanced Settings icon in the top right corner and enter in your 4-digit master code
Select the User Management icon which will bring you to a list of all user codes currently programmed into the system
Click the pencil icon to the right of the code you wish to change
Enter and confirm the new 4-digit code you’d like to use and click Save