Garmin Edge 20 Owners Manual - Page 11

Replacing the Speed Sensor or Cadence Sensor Battery The LED flashes red to indicate a low battery level after two revolutions. 1 Locate the circular battery cover on the back of the sensor. À 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. 2 Twist the cover counter-clockwise until the marker points to unlocked and the cover is loose enough to remove. 3 Remove the cover and the battery . Á TIP: You can use a piece of tape or a magnet to remove  the battery from the cover. Maximizing Battery Life • Turn off the Bluetooth wireless feature on your Edge 25 device (Turning Off Bluetooth Technology, page 3). • Turn off GLONASS (System Settings, page 5). Acquiring Satellite Signals The device may need a clear view of the sky to acquire satellite signals. The time and date are set automatically based on the GPS position. 1 Go outdoors to an open area. The front of the device should be oriented toward the sky. 2 Wait while the device locates satellites. It may take 30-60 seconds to locate satellite signals. 4 Wait 30 seconds. 5 Insert the new battery into the cover, observing polarity. NOTE: Do not damage or lose the O-ring gasket. 6 Twist the cover clockwise until the marker points to locked. NOTE: The LED flashes red and green for a few seconds after battery replacement. When the LED flashes green and then stops flashing, the device is active and ready to send data. Troubleshooting 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. Replacement O-rings Replacement bands (O-rings) are available for the standard mount in two sizes: • 1.3 × 1.5 × 0.9 in. AS568-125 • 1.7 × 1.9 × 0.9 in. AS568-131 NOTE: Use Ethylene Propylene Diene Monomer (EPDM) replacement bands only. Go to http://buy.garmin.com, or contact your Garmin dealer. 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. Support and Updates Garmin Express provides easy access to these services for Garmin devices. • Product registration • Product manuals • Software updates • Data uploads to Garmin Connect Viewing Device Information You can view the unit ID, software version, GPS version, and software information. Select > Settings > System > About. Appendix Data fields Some data fields require ANT+ accessories to display data (Edge 25 device only). Avg. Speed: The average speed for the current activity. BPM: Your heart rate in beats per minute (bpm). Your device must be connected to a compatible heart rate monitor. Cadence: Cycling. The number of revolutions of the crank arm. Your device must be connected to a cadence accessory for this data to appear. Calories: The amount of total calories burned. Distance: The distance traveled for the current track or activity. HR Zone: The current range of your heart rate (1 to 5). The default zones are based on your user profile and maximum heart rate (220 minus your age). Speed: The current rate of travel. Time: The stopwatch time for the current activity. Troubleshooting 7