This is a short video demonstrating how to transfer the code from a Hormann series 2 868.3MHz HSE2 (blue button) hand transmitter to a series 3 BiSecur hand transmitter.
The Hormann Bisecur (series 3) System works on a frequency of 868.3MHz with a 128 bit encryption.
The Hormann series 2 system (blue button) works on a frequency of 868.3MHz with a 40 bit encryption.