40 Forerunner 610 Owner’s Manual
Appendix
Water
resistance
98.4 ft. (30 m)
This product does not
transmit heart rate data
to your GPS device while
swimming.
Battery User-replaceable
CR2032, 3 volts (page 42)
Battery life Approximately 4.5 years
(1 hour per day)
Operating
temperature
From 23°F to 122°F
(from -5°C to 50°C)
: In cold conditions,
wear appropriate clothing
to keep the heart rate
monitor near your body
temperature.
Radio
frequency/
protocol
2.4 GHz ANT+ wireless
communications protocol
This product contains a lithium-ion
battery. See the Important Safety and
Product Information guide in the
product box for product warnings and
other important information.
1 week You are training for 45
minutes per day with
GPS. The Forerunner is in
power save mode for the
remaining time.
Up to 4
weeks
You are using the
Forerunner in power save
mode the entire time.
Up to 8 hours You are training with GPS
the entire time.
*The actual battery life of a fully
charged battery depends on how much
time you use GPS, the backlight,
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