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Heart Rate Features
The tactix Charlie device has a wrist-based heart rate monitor
and is also compatible with chest heart rate monitors (sold
separately). You can view heart rate data on the heart rate
widget. If both wrist-based heart rate and chest heart rate data
are available, your device uses the chest heart rate data.
Wrist-based Heart Rate
Wearing the Device
• Wear the device above your wrist bone.
NOTE: The device should be snug but comfortable. For more
accurate heart rate readings on the tactix device, it should
not move while running or exercising.
NOTE: The optical sensor is located on the back of the
device.
• See Tips for Erratic Heart Rate Data, page 9 for more
information about wrist-based heart rate.
• For more information about accuracy, go to garmin.com
/ataccuracy.
Tips for Erratic Heart Rate Data
If the heart rate data is erratic or does not appear, you can try
these tips.
• Clean and dry your arm before putting on the device.
• Avoid wearing sunscreen, lotion, and insect repellent under
the device.
• Avoid scratching the heart rate sensor on the back of the
device.
• Wear the device above your wrist bone. The device should
be snug but comfortable.
• Wait until the icon is solid before starting your activity.
• Warm up for 5 to 10 minutes and get a heart rate reading
before starting your activity.
NOTE: In cold environments, warm up indoors.
• Rinse the device with fresh water after each workout.
• While exercising, use a silicone band.
Viewing the Heart Rate Widget
The widget displays your current heart rate in beats per minute
(bpm) and a graph of your heart rate for the last 4 hours.
1
From the watch face, select DOWN.
2
Select to view your average resting heart rate values for
the last 7 days.
Broadcasting Heart Rate Data to Garmin Devices
You can broadcast your heart rate data from your tactix Charlie
device and view it on paired Garmin devices.
NOTE: Broadcasting heart rate data decreases battery life.
1
From the heart rate widget, hold MENU.
2
Select Options > Broadcast Heart Rate.
The tactix Charlie device starts broadcasting your heart rate
data, and appears.
NOTE: You can view only the heart rate widget while
broadcasting heart rate data from the heart rate widget.
3
Pair your tactix Charlie device with your Garmin ANT+
compatible device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, select any
key, and select Yes.
Broadcasting Heart Rate Data During an Activity
You can set up your tactix Charlie device to broadcast your
heart rate data automatically when you begin an activity. For
example, you can broadcast your heart rate data to an Edge
®
device while cycling, or to a VIRB
®
action camera during an
activity.
NOTE: Broadcasting heart rate data decreases battery life.
1
From the heart rate widget, hold MENU.
2
Select Options > Broadcast During Activity.
3
Begin an activity (Starting an Activity, page 3).
The tactix Charlie device starts broadcasting your heart rate
data in the background.
NOTE: There is no indication that the device is broadcasting
your heart rate data during an activity.
4
If necessary, pair your tactix Charlie device with your Garmin
ANT+ compatible device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, stop the
activity (Stopping an Activity, page 3).
Setting an Abnormal Heart Rate Alert
You can set the device to alert you when your heart rate
exceeds a certain number of beats per minute (bpm) after a
period of inactivity.
1
From the heart rate widget, hold MENU.
2
Select Options > Abnormal HR Alert > Status > On.
3
Select Alert Threshold.
4
Select a heart rate threshold value.
Each time you exceed the threshold value, a message appears
and the device vibrates.
Turning Off the Wrist-based Heart Rate Monitor
The default value for the Wrist Heart Rate setting is Auto. The
device automatically uses the wrist-based heart rate monitor
unless you pair an ANT+ heart rate monitor to the device.
1
From the heart rate widget, hold MENU.
2
Select Options > Status > Off.
Putting On the Heart Rate Monitor
You should wear the heart rate monitor directly on your skin, just
below your sternum. It should be snug enough to stay in place
during your activity.
1
If necessary, attach the strap extender to the heart rate
monitor.
2
Wet the electrodes
À
on the back of the heart rate monitor to
create a strong connection between your chest and the
transmitter.
Heart Rate Features 9
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