Garmin Forerunner 405 User Manual download pdf (Page 39)

Forerunner 405 Owner’s Manual 33

Using Accessories

Synthetic fabrics that rub or ap

against the heart rate monitor

can create static electricity that

interferes with heart rate signals.

Move away from sources of

strong electromagnetic elds and

some 2.4 GHz wireless sensors,

which can interfere with your

heart rate monitor. Sources of

interference may include very

high voltage power lines, electric

motors, microwave ovens,

2.4 GHz cordless phones, and

wireless LAN access points.

Heart Rate Zones

CAUTION: Consult your

physician to specify heart

rate zones/targets that are

appropriate for your tness

level and health condition.

•

Many athletes are using heart rate

zones to measure and increase their

cardiovascular strength and improve

their level of tness. A heart rate

zone is a set range of heartbeats per

minute. The ve commonly accepted

heart rate zones are numbered from

1–5 according to increasing intensity.

The Forerunner sets the heart rate

zone ranges based on your maximum

heart rate (see the table on page 43)

and resting heart rate set in your user

prole.

You can also customize your heart

rate zones in your user prole of

Garmin Connect or Garmin Training

Center. After customizing your heart

rate zones, transfer data to your

Forerunner.

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