diff --git a/README.md b/README.md
index 146c5b7..1999b5d 100644
--- a/README.md
+++ b/README.md
@@ -228,6 +228,8 @@ make clean    # Remove build artifacts
 ### No data from trainer
 
 - Make sure the trainer is turned on and broadcasting
+- Use another device (e.g. Garmin Edge) to verify it is broadcasting. This also provides a way 
+  to get the device id. 
 - Make sure the dongle is close enough to the trainer (within 1-2 meters)
 - Verify the device number is correct (try `--device 3001`)
 - Check the log output for the `listening...` message