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Sensors Settings
Compass Settings
Hold MENU, and select Sensors & Accessories >
Compass.
Calibrate: Allows you to manually calibrate the compass
sensor
(Calibrating the Compass Manually,
Display: Sets the directional heading on the compass to
letters, degrees, or milliradians.
North Ref.: Sets the north reference of the compass
(Setting the North Reference,
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, enter the magnetic variance, and select Done.
Altimeter Settings
Hold MENU, and select Sensors & Accessories >
Altimeter.
Barometer: Allows you to set the barometric pressure
manually, or select a value from the nearest METAR
station through the Garmin Connect app.
Altitude Alert: Sets an alarm to vibrate when you reach a
specified altitude.
Customizing Your Device
page 53).
page 53).
NOTICE
O2 Alert: Sets an alarm to vibrate when you reach a low-
oxygen altitude.
Sync to Elevation: Allows you to synchronize the watch to
your current elevation manually.
Calibrating the Barometric Altimeter
Your device was already calibrated at the factory, and
the device uses automatic calibration at your GPS
starting point by default. You can manually calibrate the
barometric altimeter if you know the correct elevation.
1 From the altimeter widget, hold MENU.
2 Select Options.
3 Select an option:
• To enter the current elevation, select Calibrate >
Yes.
• To calibrate automatically from the digital elevation
model, select Calibrate > Use DEM.
• To calibrate automatically from your GPS starting
point, select Calibrate > Use GPS.
• To allow the altimeter to self-calibrate each time you
turn on GPS tracking, select Auto Cal. > On.
Barometer Settings
Hold MENU, and select Sensors & Accessories >
Barometer.
Calibrate: Allows you to manually calibrate the barometer
sensor.
Plot: Sets the time scale for the chart in the barometer
widget.
Storm Alert: Sets the rate of barometric pressure change
that triggers a storm alert.
Pressure: Sets how the device displays pressure data.
Calibrating the Barometer
Your watch was already calibrated at the factory, and the
watch uses automatic calibration at your GPS starting
point by default. You can manually calibrate the barometer
if you know the correct elevation or the correct sea level
pressure.
1 Hold MENU.
2 Select Sensors & Accessories > Barometer > Calibrate.
3 Select an option:
• To enter the current elevation and sea level pressure
(optional), select Enter Manually.
• To calibrate automatically from the digital elevation
model, select Use DEM.
• To calibrate automatically from your GPS starting
point, select Use GPS.
Elevation Settings
Hold MENU, and select Sensors & Accessories >
Elevation.
Calibrate: Allows you to calibrate the altimeter sensor
manually.
Auto Cal.: Allows the altimeter to self-calibrate each time
you turn on GPS tracking.
Elevation: Sets the units of measure for elevation.
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