Setting The North Reference - Garmin FORERUNNER 945 Owner's Manual

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 .
2
Select Settings > Sensors and 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 and Accessories >
Altimeter.
Calibrate: Allows you to manually calibrate the altimeter sensor.
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 Sensors and 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, select Calibrate.
Barometer Settings
Hold , and select Settings > Sensors and Accessories >
Barometer.
Calibrate: Allows you to manually calibrate the barometer
sensor.
Plot: Sets the time scale for the chart in the barometer widget.
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.
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 Sensors and Accessories > Barometer > Calibrate.
3
Select an option:
• To enter the current elevation or sea level pressure, select
Yes.
• To calibrate automatically from the digital elevation model,
select Use DEM.
• To calibrate automatically from your GPS starting point,
select Use GPS.
Customizing Your Device
Xero Location Settings
Hold , and select Settings > Sensors and Accessories >
XERO Locations.
Status: Enables the display of laser location information from a
compatible, paired Xero device.
Share Mode: Allows you to share laser location information
publicly or broadcast it privately.
System Settings
Hold , and select Settings > System.
Language: Sets the language displayed on the device.
Time: Adjusts the time settings
Backlight: Adjusts the backlight settings
Backlight Settings, page
Sounds: Sets the device sounds, such as key tones, alerts, and
vibrations.
Do Not Disturb: Turns on or off do not disturb mode. Use the
Sleep Time option to turn on do not disturb mode
automatically during your normal sleep hours. You can set
your normal sleep hours on your Garmin Connect account.
Hot Keys: Allows you to assign shortcuts to device keys
(Customizing the Hot Keys, page
Auto Lock: Allows you to lock the keys automatically to prevent
accidental key presses. Use the During Activity option to lock
the keys during a timed activity. Use the Not During Activity
option to lock the keys when you are not recording a timed
activity.
Units: Sets the units of measure used on the device
the Units of Measure, page
Format: Sets general format preferences, such as the pace and
speed shown during activities, the start of the week, and
geographical position format and datum options.
Data Recording: Sets how the device records activity data. The
Smart recording option (default) allows for longer activity
recordings. The Every Second recording option provides
more detailed activity recordings, but may not record entire
activities that last for longer periods of time.
USB Mode: Sets the device to use MTP (media transfer
protocol) or Garmin mode when connected to a computer.
Reset: Allows you to reset user data and settings
Default Settings, page 37).
Software Update: Allows you to install software updates
downloaded using Garmin Express.
Time Settings
Hold , and select Settings > System > Time.
Time Format: Sets the device to show time in a 12-hour, 24-
hour, or military format.
Set Time: Sets the time zone for the device. The Auto option
sets the time zone automatically based on your GPS position.
Time: Allows you to adjust the time if it is set to the Manual
option.
Alerts: Allows you to set hourly alerts, as well as sunrise and
sunset alerts that sound a specific number of minutes or
hours before the actual sunrise or sunset occurs.
Sync With GPS: Allows you to manually sync the time with GPS
when you change time zones, and to update for daylight
saving time.
Changing the Backlight Settings
1
From the watch face, hold
2
Select Settings > System > Backlight.
3
Select During Activity or Not During Activity.
(Time Settings, page 33).
(Changing the
33).
34).
(Changing
34).
(Resetting All
.
33