Getting Started
Step 2: Charge the Battery
Your Forerunner ships with the power off to conserve the battery. Charge the Forerunner for at least 3 hours before using it. The length of time a fully charged battery will last depends upon usage. For more battery information, see page 40.
note: To prevent corrosion, thoroughly dry the charging contacts and surrounding area before charging.
TIP: The Forerunner will not charge when outside the temperature range of
1.Plug the USB connector on the charging clip cable into the AC adapter.
2.Plug the AC adapter into a standard wall outlet.
3.Align the charging clip posts with the contacts on the back of the Forerunner.
F orerunner 405
IC:
FCC
N9
Contacts
Ì Ï 02
12345678
Designed in the USA
Made in Taiwan
4.Clip the charger securely over the face of the Forerunner.
4 | Forerunner 405 Owner’s Manual |