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3 Select an option:
• Select During Activity.
• Select General Use.
• Select During Sleep.
4 Select an option:
• Select Always On Display to keep the watch face
data visible and turn down the background. This
option impacts the battery and display life
the AMOLED Display,
• Select Brightness to set the brightness level of the
screen.
• Select Alerts to turn on the screen for alerts.
• Select Wrist Gesture to turn on the screen by raising
and turning your arm to look at your wrist.
• Select Timeout to set the length of time before the
screen turns off.
Customizing Sleep Mode
1 Hold MENU.
2 Select System > Sleep Mode.
3 Select an option:
• Select Schedule, select a day, and enter your normal
sleep hours.
• Select Watch Face to use the sleep watch face.
• Select Display to configure the screen brightness
and timeout.
• Select Touch to turn the touchscreen on or off.
• Select Do Not Disturb to enable or disable do not
disturb mode.
• Select Battery Saver to enable or disable battery
saver mode
(Customizing the Battery Saver Feature,
page 57).
Customizing the Hot Keys
You can customize the hold function of individual buttons
and combinations of buttons.
1 Hold MENU.
2 Select System > Hot Keys.
3 Select a button or combination of buttons to
customize.
4 Select a function.
Changing the Units of Measure
You can customize units of measure for distance, pace
and speed, elevation, and more.
1 Hold MENU.
2 Select System > Format > Units.
3 Select a measurement type.
4 Select a unit of measure.
Syncing Activities and Performance Measurements
You can sync activities and performance measurements
from other Garmin devices to your D2 Mach 1 watch using
60
(About
page 60).
your Garmin Connect account. This allows your watch to
more accurately reflect your training status and fitness.
For example, you can record a ride with an Edge device,
and view your activity details and overall training load on
your D2 Mach 1 watch.
1 Hold MENU.
2 Select System > Physio TrueUp.
When you sync your watch with your phone, recent
activities and performance measurements from your other
Garmin devices appear on your D2 Mach 1 watch.
Viewing Device Information
You can view device information, such as the unit ID,
software version, regulatory information, and license
agreement.
1 Hold MENU.
2 Select System > About.
Viewing E-label Regulatory and Compliance Information
The label for this device is provided electronically. The
e-label may provide regulatory information, such as
identification numbers provided by the FCC or regional
compliance markings, as well as applicable product and
licensing information.
1 Hold MENU.
2 From the system menu, select About.
Device Information
About the AMOLED Display
By default, the watch settings are optimized for battery
life and performance
(Tips for Maximizing the Battery Life,
page 63).
Image persistence, or pixel "burn-in," is normal behavior
for AMOLED devices. To extend the display life, you
should avoid displaying static images at high brightness
levels for long time periods. To minimize burn-in, the
D2 Mach 1 display turns off after the selected timeout
(Changing the Screen Settings,
wrist toward your body, tap the touchscreen, or press a
button to wake the watch.
Charging the Watch
This device contains a lithium-ion battery. See the
Important Safety and Product Information guide in the
product box for product warnings and other important
information.
To prevent corrosion, thoroughly clean and dry the
contacts and the surrounding area before charging
page 59). You can turn your
WARNING
NOTICE
Device Information
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