Furuno GP-3500 - Manual (Page 46)

3. TRACKS
3-4
3.1.3 Other ship’s track
You may show the tracks of ARPA targets tracked in auto tracking. Note that this
track is not stored in the memory; it is erased when it goes off the screen a when
the power is trued off
1. Press the [MENU] key to display the main menu.
2. Press the [4] key to show the MARKS/SHIP’S TRACKS SETUP menu.
3. If PAGE 1/1 appears, rotate the [ENTER] knob clockwise to select “NEXT
PAGE.”
4. Rotate the [ENTER] knob to choose “DISP TARGET TRACKS.”
5. Press the [1] to choose ON or the [2] key to choose OFF as appropriate.
6. Press the [MENU] key several times to close the menu.