The radar device disconnects from the Edge bike computer
WARNING
If the radar device is not connected or sending radar data, Garmin recommends that you stop riding and check the devices in a safe location. Failure to do so could result in serious injury or death.
- Turn both devices off, and turn them back on.
- Pair the devices (Pairing with a Watch or Bike Computer).
The Varia RearVue 820 sends light and radar data to the Edge bike computer. The Edge bike computer displays 
and 
when connected.