Garmin F4AGGB00 Owner's Manual page 4

Keys
Select to turn on the backlight.
Hold to turn the device on and off.
Select to measure a shot.
Select to open the menu for the current screen.
Select to enter your score for the hole.
Select to view the course.
Select to return to the previous screen.
Icons
Battery is low.
Odometer is measuring distance and time.
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