Suunto X9 Instruction Manual

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Altitude difference (dif): Displays the altitude difference 
between your current location and the next waypoint in the 
unit of your choice.
Altitude to finish (atf): Displays the total amount of ascent 
from the current location to the last waypoint in the unit of your 
choice.
Speed (spd): Displays the speed in the unit of your choice.
Heading (hea): Displays the heading in degrees.
Cross track error (xte): Displays the deviation from the 
course (left/right).

3.5.8. Track Back (Active track)
The Track Back function starts the navigation along the currently active track log to the 
starting location. 
To activate the Track Back function:
1. In the Set menu, select Track Back with UP/DOWN and 

press ENTER. The message ‘

START

 

TRACK

 

BACK

?’ is 

displayed.

2. Press ENTER to confirm the selection. Suunto X9 takes 

you to the Navigation mode’s main display and activates 
the navigation to the starting location. The Track Back 
functions just like the navigation, with the exception that you 
cannot view additional data displays. The destination is 
displayed on the top row.

3. To stop the Track Back navigation, choose

as the navigation option,

as the 

activity option or turn off the GPS in the Function Menu.