Forerunner with GPS on for up to 8 hours. See the owner’s manual for more information.

Step 3: Configure

Your Forerunner

The first time you use your Forerunner, follow the on-screen instructions to learn how to use the bezel and configure the Forerunner.

If you are using an ANT+ heart rate monitor, select Yes during the configuration to allow the heart rate monitor to pair (connect) with your Forerunner. See Step 5 for more information.

Step 4: Acquire Satellite Signals

To set the correct time of day and

begin using the Forerunner, you must acquire GPS satellite signals. It may take a few minutes to acquire signals.

Note: To turn off the GPS receiver and use the Forerunner indoors, touch and hold GPS. Select Off for GPS.

Note: You cannot acquire satellites in power save mode. To exit power save mode, press enter or quit.

1.Go outdoors to an open area. For the best reception, make sure the antenna of the Forerunner is oriented toward the sky.



Forerunner 405 Quick Start Manual