System Settings; Time Settings; Time Zones - Garmin FORERUNNER 55 Owner's Manual

System Settings

Hold UP, and select > System.
Language: Sets the language displayed on the device.
Time: Adjusts the time settings
Backlight: Adjusts the backlight settings
Sounds: Sets the device sounds, such as key tones, alerts, and vibrations
page 44).
Do Not Disturb: Turns on or off do not disturb mode. You can use the During Sleep 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
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.
Format: Sets the device to display Pace/Speed Preference for running, cycling, or other activities. This
preference affects several training options, history, and alerts
also change the Start of Week setting and the units of measure used on the device
Measure, page 44).
Physio TrueUp: Allows your device to sync activities, history, and data from other Garmin devices.
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. Turn the Log HRV option on to record
your heart rate variability during an activity.
USB Mode: Sets the device to use mass storage mode or Garmin mode when connected to a computer.
Reset: Allows you to reset user data and settings
Software Update: Allows you to install software updates downloaded using Garmin Express or the Garmin
Connect app (Updating the Software Using the Garmin Connect App, page
About: Displays device, software, license, and regulatory information.

Time Settings

From the watch face, hold UP, and select
Time Format: Sets the device to show time in a 12-hour or a 24-hour format.
Set Time: Allows you to set the time manually or automatically based on your paired mobile device or GPS
location.
Sync with GPS: Allows you to manually sync the time when you change time zones, or to update for daylight
saving time.

Time Zones

Each time you turn on the device and acquire satellites or sync with your smartphone, the device automatically
detects your time zone and the current time of day.
Customizing Your Device
(Time Settings, page
(Changing the Backlight Settings, page
(Using Do Not Disturb Mode, page
(Resetting All Default Settings, page
> System > Time.
43).
(Setting the Device Sounds,
17).
(Displaying Pace or Speed, page
48).
44).
44). You can
(Changing the Units of
50).
43