22 Oregon 650 Owner's ManualEN • Training in certain heart rate zones canhelp you improve cardiovascular capacityand strength.• Knowing your heart rate zones canprevent you from overtraining and candecrease your risk of injury.If you know your maximum heart rate, youcan use the table (page 49) to determinethe best heart rate zone for your fitnessobjectives.If you do not know your maximum heart rate,use one of the calculators available on theInternet. Some gyms and health centers canprovide a test that measures maximum heartrate.Setting Your Heart Rate ZonesBefore the device can determine your heartrate zones, you must set up your fitness userprofile (page 36).You can manually adjust the heart rate zonesaccording to your fitness goals (page 21).1 Select Setup > Fitness > HR Zones.2 Enter the maximum and minimum heartrate for zone 5.The maximum heart rate for each zone isbased on the minimum heart rate of theprevious zone. For example, if you enter167 as a minimum heart rate for zone 5,the device uses 166 as the maximum ratefor zone 4.3 Enter your minimum heart rate for zones4-1.ApplicationsUsing the 3D View1 Select 3D View.2 Select an option:• To increase the angle of elevation,select .