True Or Relative Vectors; Vector Time - Furuno GP-280 Operator's Manual

12.7 True or Relative Vectors

Target vectors are displayed in relative or true mode. Own ship does not have a vector in the
relative mode. You may select true or relative vector on the ARP menu.
1. Press [MENU], [9], [3], [5] to display the ARP menu and select Page 1.
2. Press [↑] or [↓] to select the Vector Reference field.
3. Press [←] or [→] to select Relative or True as appropriate.
4. Press the [MENU] key several times to close the menu.

12.8 Vector Time

Vector time (or the length of vectors) can be set to 30 seconds, 1, 3, 6, 15 or 30 minutes and the
selected vector time is indicated on the screen.
The vector tip shows an estimated position of the target after the selected vector time elapses. It
can be valuable to extend the vector length to evaluate the risk of collision with any target.
1. Press [MENU], [9], [3], [5] to display the ARP menu and select Page 1.
2. Press [↑] or [↓] to select the Vector Time field.
3. Press [←] or [→] to select appropriate vector time.
4. Press the [MENU] key several times to close the menu.
12-10
Vector Time
(Ex. 30 min.)
Vector
Current position
of target
Projected position
after 30 min.