Garmin D2 CHARLIE Owner's Manual - Page 40

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Is my smartphone compatible with my

device?

The D2 Charlie device is compatible with smartphones using

Bluetooth wireless technology.

Go to

www.garmin.com/ble

My phone will not connect to the device

If your phone will not connect to the device, you can try these

tips.

• Turn off your smartphone and your device, and turn them

back on again.

• Enable Bluetooth technology on your smartphone.

• Update the Garmin Connect Mobile app to the latest version.

• Remove your device from the Garmin Connect Mobile app to

retry the pairing process.

If you are using an Apple device, you should also remove

your device from the Bluetooth settings on your smartphone.

• Bring your smartphone within 10 m (33 ft.) of the device.

• On your smartphone, open the Garmin Connect Mobile app,

select

, and select Garmin Devices > Add Device to

enter pairing mode.

• On your device, hold LIGHT, and select

Bluetooth technology and enter pairing mode.

Can I use my Bluetooth sensor with my

watch?

The device is compatible with some Bluetooth sensors. The first

time you connect a sensor to your Garmin device, 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.

Hold UP.

Select Settings > Sensors & Accessories > Add New.

Select an option:

• Select Search All.

• Select your sensor type.

You can customize the optional data fields

Data Screens, page

25).

Restarting Your Device

Hold LIGHT until the device turns off.

Hold LIGHT to turn on the device.

Restoring All Default Settings

NOTE: This deletes all user-entered information and activity

history.

You can restore all of the device settings to the factory default

values.

Hold UP.

Select Settings > System > Restore Defaults > Yes.

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.

Go outdoors to an open area.

The front of the device should be oriented toward the sky.

Wait while the device locates satellites.

It may take 30–60 seconds to locate satellite signals.

for compatibility information.

to turn on

(Customizing the

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.

◦ Connect your device to your Garmin Connect account

using a Wi‑Fi wireless network.

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.

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.

Maximizing the Battery Life

You can do several things to extend the life of the battery.

• Reduce the backlight timeout

Settings, page

31).

• Reduce the backlight brightness.

• Use UltraTrac GPS mode for your activity

page

27).

• Turn off Bluetooth wireless technology when you are not

using connected features

• When pausing your activity for a longer period of time, use

the resume later option

• Turn off activity tracking

page

18).

• 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

• Limit the smartphone notifications the device displays

(Managing Notifications, page

• Stop broadcasting heart rate data to paired Garmin devices

(Broadcasting Heart Rate Data to Garmin Devices, page

• Turn off wrist-based heart rate monitoring

Wrist-based Heart Rate Monitor, page

NOTE: Wrist-based heart rate monitoring is used to calculate

vigorous intensity minutes and calories burned.

Activity Tracking

For more information about activity tracking accuracy, go to

garmin.com/ataccuracy.

My daily step count does not appear

The daily step count is reset every night at midnight.

If dashes appear instead of your step count, allow the device

to acquire satellite signals and set the time automatically.

My step count does not seem accurate

If your step count does not seem accurate, you can try these

tips.

• Wear the device on your non-dominant wrist.

• Carry the device in your pocket when pushing a stroller or

lawn mower.

(Changing the Backlight

(UltraTrac,

(Connected Features, page

(Stopping an Activity, page

(Turning Off Activity Tracking,

29).

8).

(Turning Off the

11).

Troubleshooting

7).

4).

10).