Changing the Configuration SettingsYou can modify all of the settings you configured in the initialsetup.1 Select > System > Device Reset > Initial Setup.2 Follow the on-screen instructions.Changing the Device LanguageFrom the home screen, select > System > Language.Setting the Device TonesFrom the home screen, select > System > Tones.Time ZonesEach time you turn on the device and acquire satellites, thedevice automatically detects your time zone and the currenttime of day.Device InformationSpecificationsEdge SpecificationsBattery type 1100 mAh rechargable, built-in lithium-ionbatteryBattery life 15 hours, typical usageOptional externalbattery (accessory)20 hours, typical usageWater resistance IPX7Operating temperaturerangeFrom -4º to 140ºF (from -20º to 60ºC)Charging temperaturerangeFrom 32º to 113ºF (from 0º to 45ºC )Bands (O-rings) for thestandard mountTwo sizes:• 1.3 × 1.5 × 0.9 in. AS568-125• 1.7 × 1.9 × 0.9 in. AS568-131NOTE: Use Ethylene Propylene DieneMonomer (EPDM) replacement bands only.Go to http://buy.garmin.com, or contact yourGarmin dealer.About IPX7NOTICEThe device is water resistant to IEC Standard 60529 IPX7. Itcan withstand immersion in 1 meter of water for 30 minutes.Prolonged submersion can cause damage to the device. Aftersubmersion, be certain to wipe dry and air dry the device beforeusing or charging.Heart Rate Monitor SpecificationsBattery type User-replaceable CR2032, 3 voltsBattery life Up to 4.5 years (1 hour per day). When thebattery is low, a message appears on yourcompatible Garmin device.Water resistance Water resistant to 98.4 ft. (30 m)NOTE: This product does not transmit heart ratedata while swimming.Operatingtemperature rangeFrom 23° to 122°F (from -5° to 50°C)Radio frequency/protocol2.4 GHz ANT+ wireless communications protocolGSC 10 SpecificationsBattery type User-replaceable CR2032, 3 voltsBattery life Approximately 1.4 years (1 hour per day)Water resistance IPX7Operating temperaturerangeFrom 5º to 158ºF (from -15º to 70ºC)Radio frequency/protocol 2.4 GHz ANT+ wireless communicationsprotocolDevice CareNOTICEDo not store the device where prolonged exposure to extremetemperatures can occur, because it can cause permanentdamage.Never use a hard or sharp object to operate the touch screen,or damage may result.Avoid chemical cleaners and solvents that can damage plasticcomponents.Secure the weather cap tightly to prevent damage to the mini-USB port.Cleaning the Device1 Wipe the device with a cloth dampened with a mild detergentsolution.2 Wipe it dry.Caring for the Heart Rate MonitorNOTICEYou must unsnap the module before cleaning the strap.A build up of sweat and salt on the strap can decrease theability of the heart rate monitor to report accurate data.• Go to www.garmin.com/HRMcare for detailed washinginstructions.• Rinse the strap after every use.• Machine wash the strap after every seven uses.• Do not put the strap in a dryer.• To prolong the life of your heart rate monitor, unsnap themodule when not in use.Heart Rate Monitor BatteryWARNINGDo not use a sharp object to remove user-replaceable batteries.Contact your local waste disposal department to properlyrecycle the batteries. Perchlorate Material – special handlingmay apply. Go to www.dtsc.ca.gov/hazardouswaste/perchlorate.Replacing the Heart Rate Monitor Battery1 Use a small Phillips screwdriver to remove the four screwson the back of the module.2 Remove the cover and battery.3 Wait 30 seconds.4 Insert the new battery with the positive side facing up.NOTE: Do not damage or lose the O-ring gasket.5 Replace the back cover and the four screws.Device Information 13