JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page.Forerunner® 245/245 Music Owner's ManualTIP: Select to view the table of contents or search.IntroductionActivities and AppsTrainingActivity TrackingSmart FeaturesHeart Rate FeaturesMusicHistoryNavigationWireless SensorsCustomizing Your DeviceDevice InformationTroubleshootingAppendix