The radar device disconnects from the Edge bike computer
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.
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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.