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FR70 Owner’s Manual 35
Appendix
Replacing the FR70 Battery
All of your settings are preserved,
except the time of day.
Before replacing the
battery, save all of your data to
your computer or to history (see
page 26).
Garmin recommends that
you replace the battery in a low‑
humidity environment to prevent
condensation from forming inside
the watch.
1. Use a small Phillips screwdriver
to remove the screws, from the
FR70 back cover.
2. Carefully lift the back cover, and
remove the battery.
Be careful not to move
the red O‑ring gasket in the
battery compartment.
Be careful not to
contaminate the O‑ring gasket.
Any contamination could
compromise the performance of
the watch.
3. Replace the battery with the
positive side facing up.
Make sure the gasket
is seated correctly in the gasket
trough before screwing the back
plate on.
4. Replace the back cover and the
four screws ensuring the gasket
is in place. Do not over tighten
the screws. (Garmin recommends
a torque of 1 in.-lb.)