Furuno FCR-2107 series - Past Position Display Attributes

5. AIS Operation
5-17
5.12.2 Past position display attributes
You can select the number of past point points to display per plotting interval.
1. Use the trackball to select the Symb DISP box at the right side of the screen then push the left button.
2. Select the Tracking page.
3. Use the trackball to select the value of "Target past positions" for Density and Style in the Target past positions
window.
4. Click the Close window button (X) to close the menu.