Garmin D2 Mach 1 Pro Owners Manual - Page 114

Compass Settings, Calibrating the Compass Manually, Setting the North Reference

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Compass Settings Hold MENU, and select Sensors & Accessories > Compass. Calibrate: Allows you to manually calibrate the compass sensor (Calibrating the Compass Manually, page 104). 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, page 104). 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 NOTICE 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. 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. Altimeter and Barometer The watch contains an internal altimeter and barometer. The watch collects elevation and pressure data continuously, even in low-power mode. The altimeter displays your approximate elevation based on pressure changes. The barometer displays environmental pressure data based on the fixed elevation where the altimeter was most recently calibrated (Altimeter Settings, page 105). 104 Sensors and Accessories

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Compass Settings
Hold
MENU
, and select
Sensors & Accessories
>
Compass
.
Calibrate
: Allows you to manually calibrate the compass sensor (
Calibrating the Compass Manually
, page 104
).
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
, page 104
).
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
NOTICE
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.
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
.
Altimeter and Barometer
The watch contains an internal altimeter and barometer. The watch collects elevation and pressure data
continuously, even in low-power mode. The altimeter displays your approximate elevation based on pressure
changes. The barometer displays environmental pressure data based on the fixed elevation where the altimeter
was most recently calibrated (
Altimeter Settings
, page 105
).
104
Sensors and Accessories