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Setting the Time Manually
By default, the time is set automatically when the device
acquires satellite signals.
1
Select > Settings > System > Clock > Set Time >
Manual.
2
Select Time, and enter the time of day.
Setting the Alarm
1
Select > Settings > Alarm > Status > On.
2
Select Time, and enter a time.
Backlight Settings
Select > Settings > System > Backlight.
Mode: Sets the backlight to turn on manually or for keys and
alerts.
Timeout: Sets the length of time before the backlight turns off.
Setting the Device Sounds
The device sounds include key tones, alert tones, and
vibrations.
Select > Settings > System > Sounds.
Changing the Units of Measure
You can customize units of measure for distance, pace and
speed, and weight.
1
Select > Settings > System > Units.
2
Select a measurement type.
3
Select a unit of measure.
Changing the Satellite Setting
By default, the device uses GPS to locate satellites. For
increased performance in challenging environments and faster
GPS position location, you can enable GPS and GLONASS.
Using GPS and GLONASS reduces battery life more than using
only GPS.
Select > Settings > System > GLONASS.
Format Settings
Select > Settings > System > Format.
Pace/Speed Preference: Sets the device to display speed or
pace for running, cycling, or other activities. This preference
affects several training options, history, and alerts.
Start of Week: Sets the first day of the week for your weekly
history totals.
Data Recording Settings
Select > Settings > System > Data Recording.
Smart: Records key points where you change direction, pace,
or heart rate. Your activity record is smaller, allowing you to
store more activities on the device memory.
Every Second: Records points every second. It creates a very
detailed record of your activity and increases the size of the
activity record.
Device Information
Specifications
Forerunner Specifications
Battery type Rechargable, built-in lithium-ion battery
Battery life Over 4 months watch only mode
Up to 30 days in watch mode with activity
tracking
Up to 40 hours in UltraTrac mode
Up to 24 hours using GPS only
Up to 20 hours using GPS and GLONASS
Operating
temperature range
From -20º to 60ºC (from -4º to 140ºF)
Charging
temperature range
From 0º to 40ºC (from 32º to 104ºF)
Water rating 5 ATM*
*The device withstands pressure equivalent to a depth of 50 m.
For more information, go to www.garmin.com/waterrating.
HRM-Run Specifications
Battery type User-replaceable CR2032, 3 volts
Battery life 1 year (1 hour per day)
Water rating 3 ATM*
NOTE: This product does not transmit heart
rate data while swimming.
Operating temperature
range
From -20° to 60°C (from -4° to 140°F)
Radio frequency/
protocol
2.4 GHz ANT+ wireless communications
protocol
*The device withstands pressure equivalent to a depth of 30 m.
For more information, go to www.garmin.com/waterrating.
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.
Thoroughly rinse the device with fresh water after exposure to
chlorine, salt water, sunscreen, cosmetics, alcohol, or other
harsh chemicals. Prolonged exposure to these substances can
damage the case.
Do not store the device where prolonged exposure to extreme
temperatures can occur, because it can cause permanent
damage.
Cleaning the Device
1
Wipe the device using a cloth dampened with a mild
detergent solution.
2
Wipe it dry.
Caring for the Heart Rate Monitor
NOTICE
You must unsnap and remove the module before washing the
strap.
A build up of sweat and salt on the strap can decrease the
ability of the heart rate monitor to report accurate data.
• Go to www.garmin.com/HRMcare for detailed washing
instructions.
• Rinse the strap after every use.
• Machine wash the strap after every seven uses.
• Do not put the strap in a dryer.
• When drying the strap, hang it up or lay it flat.
• To prolong the life of your heart rate monitor, unsnap the
module when not in use.
User Replaceable Batteries
WARNING
Do not use a sharp object to remove batteries.
Keep the battery away from children.
14 Device Information