MC424 / L

1. Start copying until you get to the "Operation check" screen, at which point select the 3 dots at the top right and click on Manual registration (see image below)
   
   
2. On manual recording select 6 seconds on the upper slider (highlighted in the image below)
    

   

    

   3. Press the Radio button once

   4. (within 10 seconds) on the app press "Send opening signal"

   and wait for the "LR" Led to make 3 long flashes (= memorization occurred correctly)