Graco 500 User Manual

ANT+ Sensors

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Consult your physician to specify heart 

rate zones that are appropriate for your 

fitness level and health condition. 
Many athletes use heart rate zones 

to measure and increase their 

cardiovascular strength and improve 

their level of fitness. A heart rate zone 

is a specified range of heartbeats per 

minute. The five commonly accepted 

heart rate zones are numbered from 1 

to 5 according to increasing intensity. 
How do heart rate zones affect your 

fitness goals? Knowing your heart 

rate zones can help you measure and 

improve your fitness by understanding 

and applying these principles:

Your heart rate is a good measure of 

exercise intensity.
Training in specific heart rate 

zones can help you improve 

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cardiovascular capacity and 

strength.
Knowing your heart rate zones can 

prevent you from overtraining and 

can decrease your risk of injury.

The heart rate monitor contains a 

user-replaceable CR2032 battery. 
NOTE: Contact your local waste 

disposal department to properly 

dispose of batteries. 
1.  Locate the circular battery cover on 

the back of the heart rate monitor.

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