Forerunner 405cx is a GPS sports watch from Garmin
This manual guides users through setting up and using the Garmin Forerunner 405cx GPS-enabled sports watch. It covers charging, satellite signal acquisition, pairing accessories like heart rate monitors, and transferring data to a computer. The manual also includes sections on caring for the device, using its touch bezel, and troubleshooting. It provides safety warnings and details on waterproofing and battery care.
It is waterproof to IEC Standard 60529 IPX7.
It contains a non-replaceable lithium-ion battery.
It acts as a multifunction button for selecting, toggling, scrolling, and switching modes.