Heart rate is not measured consistently.
Please check the following if your pulse (heart rate) is not measured correctly:
1. If the wrist band is loose, you see a screen like this:
Try the following:
- Make sure the product does not touch the bone on your wrist.
- Tighten the wrist band, but do not wear the product too tight.
2. If your body or the ambient temperature is too cold, you see a screen like this:
Try the following:
- Protect the device by wearing it under a sleeve in cold or windy condition.
