An activation code is required to enable (unlock) the “Extended Squitter ADS-B out” feature. You can purchase it here.
To enter the ADS-B unlock code perform the following procedure:
1. Select “Code 1” and press the rotary knob to start editing the first part of the unlock code. The first digit turns yellow.
2. Turn the rotary knob to change the value.
3. Press the rotary knob again to save the selected value. The next digit turns yellow.
4. Repeat steps 2 and 3 to complete the entry of the desired code.
5. Select “Code 2” and repeat step 2 to 4 for enter the second part of the unlock code.
6. Finally, select “Save” to save the unlock code permanently.