Using Accessories

3.Select your accessory.

4.Select Enabled > Yes.

5.Scroll to view Status. If the Forerunner cannot pair with the accessory, select Rescan.

Tip: The accessory needs to send data to complete the pairing process. You need to wear the heart rate monitor, take a step wearing the foot pod, or pedal your bike with the GSC 10.

Status Icons

When in training mode, the icon for the accessory blinks as the Forerunner scans for the new accessory. The icon is solid when the accessory is paired.

Heart rate monitor active

Speed and cadence sensor active

Foot pod active

Heart Rate Monitor

For information about putting on the heart rate monitor, see page 6.

Heart Rate Monitor Tips

If you are noticing inaccurate or erratic heart rate data, use the following tips.

•Make sure the heart rate monitor is snug against your body.

•Reapply water, saliva, or electrode gel to the sensors.

•Clean the sensors. Dirt and sweat residue on the sensors can interfere with heart rate signals.

•Wear a cotton shirt or wet your shirt if suitable for your activity.

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Forerunner 405 Owner’s Manual