Nortek Security and Control KB

Find Transmitter Code - AP-4, AP-5

1. Press the button on the unknown Megacode transmitter.
2. The readout will display the last three numbers of the code.
3. While the last three numbers are still on display, press and hold the "Display" button.
4. The readout will display a leading zero and the first two digits of the transmitter’s code.


In step 2: The readout displays 3 7 7.

In step 4: The readout displays 0 2 2.

The code for this transmitter would be 2 2 3 7 7.

To find compatible Megacode transmitters, go to:

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