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38 Forerunner 405CX Owner’s Manual
Using Accessories
3. Run or walk approximately
1000 m. The Forerunner informs
you that you have traveled far
enough.
Manual Calibration
If your foot pod distance seems
slightly high or low each time you
run, you can manually adjust the
calibration factor.
Touch and hold menu > select
Settings > ANT+ > Accessories
> Foot Pod > Cal Factor. Adjust
the calibration factor. Increase the
calibration factor if your distance
is too low; decrease the calibration
factor if your distance is too high.
GSC 10
Your Forerunner is compatible with
the GSC 10 speed and cadence bike
sensor. You must pair the GSC 10
with your Forerunner. See page 33.
Calibrating the Bike Sensor
Calibrating your bike sensor is
optional and can improve accuracy.
1. Touch and hold menu > select
Settings > ANT+ > Accessories
> Bike Sensor > Calibration.
2. Select
Manual to enter the wheel
size. Select Auto to allow GPS to
determine your wheel size.