The connection process is the same for the Schwinn tread and bike. 

How to connect

1. Launch the iPhone app and press 'Tap to Start'. Follow the instructions to set up your account and pair your device
   
2. Make sure your WATCH LINK is within 10ft of your phone.
   If you are pairing a USB, please make sure it is plugged into a power source.
   If you are pairing a Pod and you are not seeing it in the list, check your battery.
   
3. Open the Watch Link app on your Apple Watch
   
4. Select an activity type or press start to begin your workout
   
5. Find and select your workout on the tablet screen
   
6. On the preview screen select Heart Rate Monitor. Find and select your Watch Link device