Garmin Forerunner 25 Owners Manual - Page 10

3 Set the time, and select to accept. Device Information Forerunner Specifications Battery type Rechargeable, built-in lithium-ion battery Battery life (small size) Up to 8 wk. for low power mode and activity tracking Up to 8 hr. for active mode Battery life (large size) Up to 10 wk. for low power mode and activity tracking Up to 10 hr. for active mode Operating temperature From -15º to 60ºC (from 5º to 140ºF) range Charging temperature From 0º to 45ºC (from 32º to 113ºF) range 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 www.garmin.com/waterrating. Heart Rate Monitor Specifications Battery type User-replaceable CR2032, 3 volts Battery life Approximately 3 years (1 hour per day) Operating temperature From -10° to 50°C (from 14° to 122°F) range 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 www.garmin.com/waterrating. 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 www.dtsc.ca.gov /hazardouswaste/perchlorate. CAUTION Contact your local waste disposal department to properly recycle the batteries. 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. 6 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. Troubleshooting Getting More Information • Go to www.garmin.com/intosports. • Go to www.garmin.com/learningcenter. • Go to http://buy.garmin.com, or contact your Garmin dealer for information about optional accessories and replacement parts. Updating the Software Before you can update your device software, you must have a Garmin Connect account, and you must download the Garmin Express application. 1 Connect the device to your computer using the USB cable. When new software is available, the Garmin Express application sends it to your device. 2 Follow the on-screen instructions. 3 Do not disconnect your device from the computer while the Garmin Express application downloads the software. TIP: If you are having trouble updating the software with the Garmin Express application, you may need to upload your activity history to the Garmin Connect application and delete your activity history from the device. This should provide sufficient memory space for the update. Improving GPS Satellite Reception • Frequently sync the device to your Garmin Connect account: ◦ Connect your device to a computer using the USB cable and the Garmin Express application. ◦ Sync your device to the Garmin Connect Mobile app using your Bluetooth enabled smartphone. While connected to your Garmin Connect account, the device downloads several days of satellite data, allowing it to quickly locate satellite signals. • Take your device outside to an open area away from tall buildings and trees. • Remain stationary for a few minutes. Maximizing Battery Life • Turn off smart notifications (Turning Off Notifications, page 2). • Turn off the Bluetooth wireless feature (Turning Off Bluetooth Technology, page 2). • Turn off activity tracking (Activity Tracking, page 3). Resetting the Device If the device stops responding, you may need to reset it. NOTE: Resetting the device may erase your data or settings. 1 Hold for 15 seconds. The device turns off. 2 Hold for one second to turn on the device. Clearing User Data You can restore all of the device settings to the factory default values. NOTE: This deletes all user-entered information and history. 1 Hold . Device Information