3.6.6. Track back (track log)
You can use the Activity mode’s Track Back function to navigate along any track log file found in the memory. Suunto X9 will guide you to the nearest waypoint and from there to the starting location, or to the finish if you so choose.
To activate the Track Back function:
1.In the Set menu, select 
as the Activity option. This starts storing data in a log file for the Track Back function.
2.Wait until the GPS acquires a connection.
3.In the Set menu, select Memory with UP/DOWN and press
ENTER.
4.Select the desired log file with UP/DOWN and press
ENTER.
5.Select Track Back with UP/DOWN and press ENTER. The message ‘START TRACK BACK?’ is displayed. If the message
‘START LOG’ is displayed, check that the activity is set to and that the unit has received the first satellite fix.
6.Press ENTER to confirm the selection. Suunto X9 takes you back to the Activity display and activates the navigation. It will first guide you to the nearest waypoint and from there to the starting location. The Track Back works just like the navigation, with the exception that you cannot view additional data displays. ‘TRACK BACK’ is displayed on the top row.
NOTE: The Track Back guidance is displayed in the Navigation mode even though
you set the function in the Activity mode.
7.To stop the Track Back navigation, choose | as the |
navigation option, 
as the activity option or turn off the GPS.
NOTE: To view the total distance to the starting location, select dtf as a shortcut.
NOTE: Choose 
as the navigation option if you want to
navigate to the starting location. choose 
if you want to navigate to the finish.
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