Once you have set the mark and wind direction it is the next step.
Tactimem gives the sailing distance to the mark, the time and its proportion. It shows the sailing type and the value per starboard tack and port tack. Please change boat speed manually. SOG is correct at this speed.
Tap the following mark on “Navi” page to display the information. It is the sailing distance from the position at the time of tapping to the mark, the time and its proportion.
Updating the wind direction and sailing direction updates the navigation information.