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iv Forerunner 405CX Owner’s Manual
Introduction
Caring for the
Forerunner
Clean the Forerunner and the heart
rate monitor using a cloth dampened
with a mild detergent solution. Wipe
dry. Avoid chemical cleaners and
solvents that may damage plastic
components.
Do not store the Forerunner where
prolonged exposure to temperature
extremes may occur (such as in the
trunk of a car), as permanent damage
may result.
User information, such as history,
locations, and tracks, is retained
indenitely in the memory of the unit
without the need for external power.
Back up important user data by
transferring it to Garmin Connect or
Garmin Training Center. See page 9.
Water Immersion
The Forerunner is waterproof to
IEC Standard 60529 IPX7. It can
withstand immersion in 1 meter of
water for 30 minutes. Prolonged
submersion can cause damage to the
unit. After submersion, be certain to
wipe dry and air dry the unit before
using or charging.
CAUTION: The Forerunner is
not intended to be used while
swimming. Swimming or
prolonged water submersion can
cause a short in the unit, which
can in rare cases result in a minor
skin burn or irritation in the area
of the unit.