16– This device should only be used for the purpose for which it was developed, in the way specified in the instructionsfor use. Any improper use may be dangerous. The manufacturer is not liable for any damage caused by improper orincorrect use.– Before use, make sure that the device and accessories do not show any visible signs of damage. If in doubt, do notuse it and contact your dealer or the customer service address indicated.– This heart rate monitor is waterproof (50 m) and is thus suitable for swimming. You should not, however, press anybutton while swimming, i.e. you should also not measure your heart rate.– Avoid contact with suncreams or similar products as these might damage the print or even the plastic parts.– Please ask your trainer or doctor in charge about your own upper and lower heart rate values for training purposes,as well as how long and often you should exercise. This will allow you to achieve optimal results during training.– IMPORTANT: Anyone with a cardio-circulatory disease or wearing a pacemaker should only use this heart rate mo-nitor after consulting their doctor.3. General information for trainingThis heart rate monitor serves to measure the human pulse. By means of various settings, you can support your indi-vidual training program and monitor your pulse. You should monitor your pulse during exercise because you shouldprevent your heart from excessive strain on the one hand and on the other in order to achieve the optimal training re-sults. The table provides you with some information on the selection of your training zone. The maximum heart rate re-duces with advancing age. Information on the training heart rate must therefore always be in relation to the maximumheart rate. The following rule of thumb is used for the identification of the maximum heart rate:For men: 220 - age = maximum heart rateFor women: 226 - age = maximum heart rate