Garmin Forerunner 945 LTE Owners Manual - Page 96

Setting the North Reference, Altimeter Settings, Calibrating the Barometric Altimeter

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Setting the North Reference You can set the directional reference used in calculating heading information. 1 Hold . 2 Select Settings > 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 , and select Settings > Sensors & Accessories > Altimeter. Calibrate: Allows you to manually calibrate the altimeter sensor. Auto Cal.: Allows the altimeter to self-calibrate each time you turn on GPS tracking. Elevation: Sets the units of measure for elevation. 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 Hold . 2 Select Settings > Sensors & Accessories > Altimeter. 3 Select an option: • To calibrate automatically from your GPS starting point, select Auto Cal., and select an option. • To enter the current elevation manually, select Calibrate > Yes. • To enter the current elevation from the digital elevation model, select Calibrate > Use DEM. • To enter the current elevation from your GPS starting point, select Calibrate > Use GPS. Barometer Settings Hold , and select Settings > 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. Watch Mode: Sets the sensor used in watch mode. The Auto option uses both the altimeter and barometer according to your movement. You can use the Altimeter option when your activity involves changes in altitude, or the Barometer option when your activity does not involve changes in altitude. Pressure: Sets how the device displays pressure data. Calibrating the Barometer 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 barometer if you know the correct elevation or the correct sea level pressure. 1 Hold . 2 Select Settings > Sensors & Accessories > Barometer > Calibrate. 3 Select an option: • To enter the current elevation and sea level pressure (optional), select Yes. • To calibrate automatically from the digital elevation model, select Use DEM. • To calibrate automatically from your GPS starting point, select Use GPS. 88 Customizing Your Device

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Setting the North Reference
You can set the directional reference used in calculating heading information.
1
Hold
.
2
Select
Settings
>
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
, and select
Settings
>
Sensors & Accessories
>
Altimeter
.
Calibrate
: Allows you to manually calibrate the altimeter sensor.
Auto Cal.
: Allows the altimeter to self-calibrate each time you turn on GPS tracking.
Elevation
: Sets the units of measure for elevation.
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
Hold
.
2
Select
Settings
>
Sensors & Accessories
>
Altimeter
.
3
Select an option:
•
To calibrate automatically from your GPS starting point, select
Auto Cal.
, and select an option.
•
To enter the current elevation manually, select
Calibrate
>
Yes
.
•
To enter the current elevation from the digital elevation model, select
Calibrate
>
Use DEM
.
•
To enter the current elevation from your GPS starting point, select
Calibrate
>
Use GPS
.
Barometer Settings
Hold
, and select
Settings
>
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.
Watch Mode
: Sets the sensor used in watch mode. The Auto option uses both the altimeter and barometer
according to your movement. You can use the Altimeter option when your activity involves changes in
altitude, or the Barometer option when your activity does not involve changes in altitude.
Pressure
: Sets how the device displays pressure data.
Calibrating the Barometer
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 barometer if you know the correct elevation or the
correct sea level pressure.
1
Hold
.
2
Select
Settings
>
Sensors & Accessories
>
Barometer
>
Calibrate
.
3
Select an option:
•
To enter the current elevation and sea level pressure (optional), select
Yes
.
•
To calibrate automatically from the digital elevation model, select
Use DEM
.
•
To calibrate automatically from your GPS starting point, select
Use GPS
.
88
Customizing Your Device