Tips For Erratic Pulse Oximeter Data; Compass; Compass Settings; Calibrating The Compass Manually - Garmin INSTINCT 2X Owner's Manual

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

Compass Settings

Hold MENU, and select Sensors & Accessories > Compass.
Calibrate: Allows you to manually calibrate the compass sensor
Display: Sets the directional heading on the compass to letters, degrees, or milliradians.
North Ref.: Sets the north reference of the compass
Mode: Sets the compass to use electronic-sensor data only (On), a combination of GPS and electronic-sensor
data when moving (Auto), or GPS data only (Off).

Calibrating the Compass Manually

Calibrate the electronic compass outdoors. To improve heading accuracy, do not stand near objects that
influence magnetic fields, such as vehicles, buildings, and overhead power lines.
Your watch was already calibrated at the factory, and the watch uses automatic calibration by default. If you
experience irregular compass behavior, for example, after moving long distances or after extreme temperature
changes, you can manually calibrate the compass.
1 Hold MENU.
2 Select Sensors & Accessories > Compass > Calibrate > Start.
3 Follow the on-screen instructions.
TIP: Move your wrist in a small figure eight motion until a message appears.

Setting the North Reference

You can set the directional reference used in calculating heading information.
1 Hold MENU.
2 Select Sensors & Accessories > Compass > North Ref..
3 Select an option:
• To set geographic north as the heading reference, select True.
• To set the magnetic declination for your location automatically, select Magnetic.
• To set grid north (000º) as the heading reference, select Grid.
• To set the magnetic variation value manually, select User > Mag. Variation, enter the magnetic variation,
and select Done.
66
(Compass Settings, page 66).
(Setting the North Reference,
NOTICE
(Calibrating the Compass Manually,
page 66).
page 66).
Sensors and Accessories