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40
Forerunner 610 Owner’s Manual
Appendix
Heart rate Monitor Specifications
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 (
Battery life
Approximately 4.5 years
(1 hour per day)
Operating
temperature
From 23°F to 122°F
(from -5°C to 50°C)
NOTE
: 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
About the Battery
wArNINg
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.
Forerunner Battery
Life
Battery
Life*
Forerunner Use
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,