Heart Rate Monitor Watch funktioniert nicht

Use your smartphone’s camera or the dedicated sensor in your Apple Watch, this can be your heart rate monitor anywhere while being physically active. - Apple Watch support: Measure your pulse using the heart rate sensor in your smartwatch. - Reminder: Automatic remind you to measure your heartbeat every day. * Hold the tip of your index finger over the back camera lens of your phone (or heart rate sensor).  You need a sep­a­rate blood pres­sure mon­i­tor to mea­sure blood pres­sure. 2. Heart Rate Monitor. is NOT a substitute for a doctor or professional healthcare or advice.  On some devices, flashlight led may very hot while the app running, please just cover the camera lens. 1. Heart Rate Monitor. al­lows you to record, track and an­a­lyze trends in your blood pres­sure.  This 'Heart Rate Monitor app' displays data from the Health App (by Apple), including heart rate, ECG, and Apple Watch activity rings, in chart or graph format.  The Heart Rate app will measure your heartbeat using your smartphone’s camera by processing the images of your pulse on your finger!  You can only manu­al­ly en­ter your records. Heart Rate Monitor. does not mea­sure blood pres­sure.  Keep holding your finger still for five more seconds to compute your heart rate and update the number.  For best results, hold your finger still for 10 seconds to get an accurate heart rate. 1.  The advice given by this app does not replace the opinion of a medical professional and needs to seek the advice of a pharmacist or doctor in addition to using the app before making any final decisions.  Especially, the app will use a built-in heart rate sensor on supported devices.  Check your heart rate anytime, anywhere with Heart Rate Plus - at your home or your office - when you wake up, relax, before and after exercise.  Please seek a doctor's advice in addition to using this app, and before making any medical decisions. 2.  Do not press too hard or you will restrict circulation which will result in an inaccurate reading. * After a second or two, you should see your heart pulse graph.  If in any doubt, please consult a pharmacist or doctor in addition to using this app, and before making any medical decisions. 3.  Any health related information provided is for informational purposes only and should not be used to replace the advice of healthcare professionals.  It is meant only for fitness use and as a source of general health information. 4.