The code of the button which is used to operate the main gate/door, and whose code is determined by the setting of the dip switches inside the old remote, has been replicted into button A of the new remote. It should work on the main gate/door straight away.
If you also need other button to operate your private garage door in addition to the main gate/dppr, please program button B/C on the new remote to your private garage opener/drive unit.
B&D 433 is a good updating version for CAD602, CAD603, CAD603C.CAD702 etc.
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