The Link has to be installed first, the siren can be installed immediately after. It can be installed only by using the Somfy Protect mobile app.
Positioning advice
How to install by using the app
1. First, open the siren—turn it over and twist the base a quarter turn—then remove the protective tab between the batteries
2. It will emit a “ding” sound. You can then close the siren, being careful to align the orange dots on the siren and base.
3. The siren is now connected to the Link. You can now familiarize yourself with the different siren tones