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Maximizing Battery Life
You can do several things to extend the life of the battery.
• Turn off activity tracking (Turning Off Activity Tracking, page 32).
• Reduce the backlight timeout (Changing the Backlight Settings, page 93).
• Reduce the backlight brightness.
• Turn off Bluetooth wireless technology when you are not using connected features (Bluetooth Connected
Features, page 59).
• Stop broadcasting heart rate data to paired Garmin devices (Broadcasting Heart Rate Data to Garmin
®
Devices,
page 34).
• Turn off wrist-based heart rate monitoring (Turning Off the Wrist-based Heart Rate Monitor, page 35).
NOTE: Wrist-based heart rate monitoring is used to calculate vigorous intensity minutes and calories burned.
• Limit the smartphone notifications the device displays (Managing Notifications, page 58).
• Turn off the pulse oximeter feature (Turning Off the Wrist-based Heart Rate Monitor, page 35).
• When pausing your activity for a longer period of time, use the Resume Later option (Stopping an Activity,
page 6).
• Select the Smart recording interval (System Settings, page 92).
• Use UltraTrac GPS mode for your activity (UltraTrac, page 89).
• Use a watch face that is not updated every second.
For example, use a watch face without a second hand (Customizing the Watch Face, page 90).
The temperature reading is not accurate
Your body temperature affects the temperature reading for the internal temperature sensor. To get the most
accurate temperature reading, you should remove the watch from your wrist and wait 20 to 30 minutes.
You can also use an optional tempe external temperature sensor to view accurate ambient temperature
readings while wearing the watch.
How can I manually pair ANT+ sensors?
You can use the device settings to manually pair ANT+ sensors. The first time you connect a sensor to your
device using ANT+ wireless technology, you must pair the device and sensor. After they are paired, the device
connects to the sensor automatically when you start an activity and the sensor is active and within range.
1 Stay 10 m (33 ft.) away from other ANT+ sensors while pairing.
2 If you are pairing a heart rate monitor, put on the heart rate monitor.
The heart rate monitor does not send or receive data until you put it on.
3 Hold .
4 Select Settings > Sensors & Accessories > Add New.
5 Select an option:
• Select Search All.
• Select your sensor type.
After the sensor is paired with your device, a message appears. Sensor data appears in the data page loop or
a custom data field.
106 Troubleshooting
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