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.NOTE: Do not overtighten.After you replace the heart rate monitor battery, you may needto pair it with the device again.Caring for the Heart Rate MonitorNOTICEYou must unsnap and remove the module before washing thestrap.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.• When drying the strap, hang it up or lay it flat.• To prolong the life of your heart rate monitor, unsnap themodule when not in use.Linking to Fitness EquipmentANT+ technology links your heart rate monitor to fitnessequipment so you can view your heart rate on the equipmentconsole.• Look for the ANT+LINK HERE logo on compatible fitnessequipment.• Go to www.garmin.com/antplus for more linking instructions.HRM-Run SpecificationsBattery type User-replaceable CR2032, 3 voltsBattery life 1 year (1 hour per day)Water rating 3 ATM*NOTE: This product does not transmit heartrate data while swimming.Operating temperaturerangeFrom -20° to 60°C (from -4° to 140°F)Radio frequency/protocol2.4 GHz ANT+ wireless communicationsprotocol*The device withstands pressure equivalent to a depth of 30 m.For more information, go to www.garmin.com/waterrating.Limited WarrantyThe Garmin standard limited warranty applies to this accessory.For more information, go to www.garmin.com/support/warranty.html.3