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.
• Hold the arm wearing the watch at heart level while the watch reads your blood oxygen saturation.
• Use a silicone or nylon band.
• Clean and dry your arm before putting on the watch.
• Avoid wearing sunscreen, lotion, and insect repellent under the watch.
• Avoid scratching the optical sensor on the back of the watch.
• Rinse the watch with fresh water after each workout.
Compass
The watch has a 3-axis compass with automatic calibration. The compass features and appearance change
depending on your activity, whether GPS is enabled, and whether you are navigating to a destination. You can
change the compass settings manually (
). To open the compass settings quickly,
you can press START from the compass glance.
Setting the Compass Heading
1 From the compass glance, press START.
2 Select Lock Heading.
3 Point the top of the watch toward your heading, and press START.
When you deviate from the heading, the compass displays the direction from the heading and degree of
deviation.
Sensors and Accessories
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Summary of Contents for FENIX 7 Series
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