Suunto SPARTAN ULTRA 1.4 User Manual page 38

Preview the route by taping on the route name or pressing the
middle button.
You can navigate the route in the preview. Zoom in and out by
tapping the screen or pressing the middle button. Adjust the zoom
level with the upper and lower buttons.
NOTE: While recording an exercise, you can only zoom by
tapping the screen. Pressing the middle button changes the display.
All sport modes with GPS also have a route selection option. Before
you start a recording, swipe down to access the mode options.
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