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example, you can broadcast your heart rate data to an
Edge device while cycling.
1 Select an option:
• Hold MENU, and select Sensors & Accessories >
Wrist Heart Rate > Broadcast Heart Rate.
• Hold LIGHT to open the controls menu, and select
.
NOTE: You can add options to the controls menu
(Customizing the Controls Menu,
2 Press START.
The watch starts broadcasting your heart rate data.
3 Pair your watch with your compatible device.
NOTE: The pairing instructions differ for each Garmin
compatible device. See your owner's manual.
4 Press STOP to stop broadcasting your heart rate data.
Pulse Oximeter
Your watch has a wrist-based pulse oximeter to gauge
the peripheral saturation of oxygen in your blood (SpO2).
As your altitude increases, the level of oxygen in your
blood can decrease. Knowing your oxygen saturation
can help you determine how your body is adjusting to
high altitudes. During a flight, the watch automatically
takes pulse oximeter readings more frequently, so you
can monitor your SpO2 percentage
Readings in Flight,
page 6).
You can manually begin a pulse oximeter reading by
viewing the pulse oximeter glance
Readings,
page 54). You can also turn on all-day readings
(Setting the Pulse Oximeter Mode,
view the pulse oximeter glance while you are not moving,
your watch analyzes your oxygen saturation and your
elevation. The elevation profile helps indicate how your
pulse oximeter readings are changing, relative to your to
elevation.
On the watch, your pulse oximeter reading appears as an
oxygen saturation percentage and color on the graph. On
your Garmin Connect account, you can view additional
details about your pulse oximeter readings, including
trends over multiple days.
For more information about pulse oximeter accuracy, go
to garmin.com/ataccuracy.
The elevation scale.
A graph of your average oxygen saturation readings
for the last 24 hours.
54
page 51).
(Viewing Your SpO2
(Getting Pulse Oximeter
page 54). When you
Your most recent oxygen saturation reading.
The oxygen saturation percentage scale.
A graph of your elevation readings for the last 24
hours.
Getting Pulse Oximeter Readings
You can manually begin a pulse oximeter reading by
viewing the pulse oximeter glance. The glance displays
your most recent blood oxygen saturation percentage, a
graph of your hourly average readings for the last 24
hours, and a graph of your elevation for the last 24 hours.
NOTE: The first time you view the pulse oximeter glance,
the watch must acquire satellite signals to determine your
elevation. You should go outside, and wait while the watch
locates satellites.
1 While you are sitting or inactive, press UP or DOWN to
view the pulse oximeter glance.
2 Press START to view glance details and begin a pulse
oximeter reading.
3 Remain motionless for up to 30 seconds.
NOTE: If you are too active for the watch to get a
pulse oximeter reading, a message appears instead
of a percentage. You can check again after several
minutes of inactivity. For best results, hold the arm
wearing the watch at heart level while the watch reads
your blood oxygen saturation.
4 Press DOWN to view a graph of your pulse oximeter
readings for the last seven days.
Setting the Pulse Oximeter Mode
1 Hold MENU.
2 Select Sensors & Accessories > Pulse Oximeter >
Pulse Ox Mode.
3 Select an option:
• To turn off automatic measurements, select Manual
Check.
• To turn on continuous measurements while you
sleep, select During Sleep.
NOTE: Unusual sleep positions can cause
abnormally low sleep-time SpO2 readings.
• To turn on measurements while you are inactive
during the day, select All Day.
NOTE: Turning on All Day mode decreases battery
life.
Tips for Erratic Pulse Oximeter Data
If the pulse oximeter data is erratic or does not appear,
you can try these tips.
• Remain motionless while the watch reads your blood
oxygen saturation.
• Wear the watch above your wrist bone. The watch
should be snug but comfortable.
Sensors and Accessories
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