After installing the software i get a message "security code not found" where is this code?

At this point you need to check the Hardware Version (H/W) ofyour DBT-120.

It's tagged on the back of the unit.

For B1, B2 or B3 you can fill in an online form, and get the codeemailed to you.

Please follow this link     


If it's B4, you simply have an old software. Uninstall thecurrent one and go download a recent version from


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