[ menu key ] -> [ planning ]
-> [ The third set of buttons ]
-> the following screen
Maintain the friend for exchanging position data by email to the list of entrants at here.
Select the friend in the registrants spinner selection.
When you click the [=>] button, the friend will be added to the list of entrants.
Conversely, Select the friend to entrants spinner selection. Then click the [<=] button, the friend will be removed from the list of entrants.
If you want to copy the same entrants of another tag, Select a tag from the spinner copy selection, click the [copy] button.
If you add / change / delete the friend, click of [Registrants Mainte] button.