If you are running RealDash on same computer with the game, see this post first:
Localhost connections on Windows 10
Otherwise make sure that device running RealDash is in same local network with the Game.
On RealDash
- Go to the ‘Garage’ and open the vehicle door.
- Tap the instrument cluster and select ‘Add’ on left menu to add new connection.
- Scroll to the bottom and select ‘Racing Simulator’.
- Select ‘F1 2017/2018/2019/2020’ from the connection type list.
- Note the port in connection settings.
- Tap upper left corner ‘Done’ button.
- Exit the Garage
On Codemasters F1 game
- On Main menu, Open the settings and Telemetry settings, the UDP option will be at the bottom of the list.
- Enable the UDP output
- Set the port as shown by RealDash in connection settings.