If you know your maximum heart rate, you can use the table
(
) to determine the best heart rate
zone for your fitness objectives.
If you do not know your maximum heart rate, use one of the
calculators available on the Internet. Some gyms and health
centers can provide a test that measures maximum heart rate.
The default maximum heart rate is 220 minus your age.
Device Information
vívofit 2 Specifications
Battery type
Two user-replaceable CR1632 batteries
Battery life
1+ yr.
Operating temperature
range
From -10º to 60ºC (from 14º to 140ºF)
Radio frequency/protocol 2.4 GHz ANT+ wireless communications
protocol
Bluetooth Smart wireless technology
Water rating
5 ATM*
*The device withstands pressure equivalent to a depth of 50 m.
For more information, go to
Heart Rate Monitor Specifications
Battery type
User-replaceable CR2032, 3 volts
Battery life
Approximately 3 years (1 hour per day)
Operating temperature
range
From -10° to 50°C (from 14° to 122°F)
Radio frequency/
protocol
2.4 GHz ANT+ wireless communications
protocol
Water rating
1 ATM*
NOTE:
This product does not transmit heart
rate data while swimming.
*The device withstands pressure equivalent to a depth of 10 m.
For more information, go to
User Replaceable Batteries
WARNING
Do not use a sharp object to remove batteries.
Keep the battery away from children.
Never put batteries in mouth. If swallowed, contact your
physician or local poison control center.
Replaceable coin cell batteries may contain perchlorate
material. Special handling may apply. See
.
CAUTION
Contact your local waste disposal department to properly
recycle the batteries.
Replacing the vívofit 2 Device Batteries
1
Remove the module from the band.
2
Use a small Phillips screwdriver to remove the four screws on
the front of the module.
3
Remove the cover and batteries.
4
Insert the new batteries.
NOTE:
Do not damage or lose the gasket.
5
Replace the front cover and the four screws.
6
Tighten the four screws equally and firmly.
7
Insert the module into the band.
The device key on the module must be aligned with the key
on the band.
Replacing the Heart Rate Monitor Battery
1
Locate the circular battery cover on the back of the heart rate
monitor.
2
Use a coin to twist the cover counter-clockwise until it is
loose enough to remove (the arrow points to
OPEN
).
3
Remove the cover and the battery.
4
Wait 30 seconds.
5
Insert the new battery with the positive side facing up.
NOTE:
Do not damage or lose the O-ring gasket.
6
Use a coin to twist the cover clockwise back into place (the
arrow points to
CLOSE
).
After you replace the heart rate monitor battery, you may need
to pair the heart rate monitor with the device again.
Device Care
NOTICE
Avoid extreme shock and harsh treatment, because it can
degrade the life of the product.
Avoid pressing the keys under water.
Do not use a sharp object to clean the device.
Avoid chemical cleaners, solvents, and insect repellents that can
damage plastic components and finishes.
4
vívofit 2 Owner's Manual
