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16 Forerunner 210 Owner’s Manual
Appendix
NOTICE
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.
: The Forerunner is not intended
to be used while swimming.
Battery 200 mAh rechargeable,
lithium-ion, coin-cell
battery
Battery life See page 18.
Operating
temperature
range
From -4°F to 140°F
(from -20°C to 60°C)
Battery
Charging
temperature
range
From 41°F to 104°F
(from 5°C to 40°C)
Radio
frequency/
protocol
2.4 GHz ANT+ wireless
communications protocol
Compatible
accessories
ANT+ wireless technology
on this Forerunner works
only with the heart rate
monitor and the foot pod.