Garmin FORERUNNER 645 Owner's Manual - Page 24
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5
Select an option:
• Select Indoor when you are training with GPS turned off,
usually indoors.
• Select Always to use your foot pod data regardless of the
GPS setting.
Using an Optional Bike Speed or Cadence
Sensor
You can use a compatible bike speed or cadence sensor to
send data to your device.
• Pair the sensor with your device
page
19).
• Set your wheel size
(Wheel Size and Circumference,
page
29).
• Go for a ride
(Starting an Activity, page
Situational Awareness
Your Forerunner device can be used with the Varia Vision
device, Varia
™
smart bike lights, and rearview radar to improve
situational awareness. See the owner's manual for your Varia
device for more information.
NOTE: You may need to update the Forerunner software before
pairing Varia devices
(Updating the Software Using Garmin
Express, page
26).
tempe
The tempe is an ANT+ wireless temperature sensor. You can
attach the sensor to a secure strap or loop where it is exposed
to ambient air, and therefore, provides a consistent source of
accurate temperature data. You must pair the tempe with your
device to display temperature data from the tempe.
Customizing Your Device
Customizing Your Activity List
1
Hold UP.
2
Select Settings > Activities & Apps.
3
Select an option:
• Select an activity to customize the settings, set the activity
as a favorite, change the order of appearance, and more.
• Select Add to add more activities or create custom
activities.
Customizing the Widget Loop
You can change the order of widgets in the widget loop, remove
widgets, and add new widgets.
1
Hold UP.
2
Select Settings > Widgets.
3
Select a widget.
4
Select an option:
• Select Reorder to change the location of the widget in the
widget loop.
• Select Remove to remove the widget from the widget
loop.
5
Select Add Widgets.
6
Select a widget.
The widget is added to the widget loop.
Customizing the Controls Menu
You can add, remove, and change the order of the shortcut
menu options in the controls menu
page
2).
20
(Pairing ANT+ Sensors,
2).
™
(Viewing the Controls Menu,
1
From any screen, hold LIGHT to open the controls menu.
2
Hold UP.
3
Select an option:
• Select Add Controls to add an additional shortcut to the
controls menu.
• Select Reorder Controls to change the location of a
shortcut in the controls menu.
• Select Remove Controls to remove a shortcut from the
controls menu.
Activity Settings
These settings allow you to customize each preloaded activity
app based on your needs. For example, you can customize data
pages and enable alerts and training features. Not all settings
are available for all activity types.
Select START, select an activity, hold UP, and select the activity
settings.
Data Screens: Enables you to customize data screens and add
new data screens for the activity
Screens, page
20).
Alerts: Sets the training or navigation alerts for the activity.
Metronome: Plays tones at a steady rhythm to help you
improve your performance by training at a faster, slower, or
more consistent cadence
Auto Lap: Sets the options for the Auto Lap
Laps by Distance, page
Auto Pause: Sets the device to stop recording data when you
stop moving or when you drop below a specified speed
(Enabling Auto Pause, page
Auto Scroll: Enables you to move through all of the activity data
screens automatically while the timer is running
Scroll, page
22).
Segment Alerts: Enables prompts that alert you to approaching
segments.
GPS: Sets the mode for the GPS antenna. Using GPS +
GLONASS provides increased performance in challenging
environments and faster position acquisition. Using the GPS
+ GLONASS option can reduce battery life more than using
the GPS option only. Using the UltraTrac option records track
points and sensor data less frequently
Pool Size: Sets the pool length for pool swimming.
Countdown Start: Enables a countdown timer for pool
swimming intervals.
Stroke Detect.: Enables stroke detection for pool swimming.
Power Save Timeout: Sets the power-save timeout setting for
the activity
(Power Save Timeout Settings, page
Background Color: Sets the background color of each activity
to black or white.
Accent Color: Sets the accent color of each activity to help
identify which activity is active.
Rename: Sets the activity name.
Reset: Allows you to reset the activity settings.
Customizing the Data Screens
You can show, hide, and change the layout and content of data
screens for each activity.
1
Select START.
2
Select an activity.
3
Hold UP.
4
Select Data Screens.
5
Select a data screen to customize.
(Customizing the Data
(Using the Metronome, page
feature
(Marking
®
21).
21).
(Using Auto
(UltraTrac, page
22).
Customizing Your Device
6).
22).