Garmin 010-02156-15 Forerunner 45

User Manual - Page 25

For 010-02156-15.

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Setting an Abnormal Heart Rate Alert
CAUTION
This feature only alerts you when your heart rate exceeds or drops below a certain number of beats per minute,
as selected by the user, after a period of inactivity. This feature does not notify you of any potential heart
condition and is not intended to treat or diagnose any medical condition or disease. Always defer to your health
care provider for any heart-related issues.
You can set the heart rate threshold value.
1 From the heart rate widget, hold UP.
2 Select Options > Abnormal Heart Rate Alerts.
3 Select High Alert or Low Alert.
4 Set the heart rate threshold value.
Each time your heart rate exceeds or drops below the threshold value, a message appears and the device
vibrates.
Turning Off the Wrist-based Heart Rate Monitor
The default value for the Wrist Heart Rate setting is Auto. The device automatically uses the wrist-based heart
rate monitor unless you pair an ANT+ heart rate monitor to the device.
1 From the heart rate widget, hold UP.
2 Select Options > Status > Off.
About Heart Rate Zones
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 set range of heartbeats per minute. The five commonly accepted heart
rate zones are numbered from 1 to 5 according to increasing intensity. Generally, heart rate zones are
calculated based on percentages of your maximum heart rate.
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 certain heart rate zones can help you improve cardiovascular capacity and strength.
If you know your maximum heart rate, you can use the table (Heart Rate Zone Calculations, page 20) to
determine the best heart rate zone for your fitness objectives.
If you do not know your maximum heart rate, use one of the calculators available on the Internet. Some gyms
and health centers can provide a test that measures maximum heart rate. The default maximum heart rate is
220 minus your age.
Letting the Device Set Your Heart Rate Zones
The default settings allow the device to detect your maximum heart rate and set your heart rate zones as a
percentage of your maximum heart rate.
Verify that your user profile settings are accurate (Setting Up Your User Profile, page 30).
Run often with the wrist or chest heart rate monitor.
View your heart rate trends using your Garmin Connect account.
Heart Rate Features 19
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