Furuno gp-31 Manuel D’Utilisation
7-1
7. OTHER FUNCTIONS
7.1 Calculating Range, Bearing
and TTG
and TTG
Range and bearing between two
waypoints
waypoints
1. Press the [MENU] key once or twice to
open the menu.
2. Select CALCULATE.
3. Press the [ENT] key.
Figure 7-1 CALCULATION menu
4. Press the [ENT] key to display the win-
dow shown in Figure 7-2.
Figure 7-2 WAYPOINTS, ROUTE prompt
5. Select WAYPOINTS and press the
[ENT] key.
6. Press the [ENT] key.
7. Enter the FROM waypoint and press the
[ENT] key.
8. Press the [ENT] key, enter the TO
waypoint and press the [ENT] key.
9. Press the [ENT] key. The window shown
in Figure 7-3 appears.
Figure 7-3 AUTO, MANUAL prompt
10.Select AUTO or MANU. AUTO uses
ship’s average speed; MANU is for
manual entry of speed.
manual entry of speed.
11.Press the [ENT] key.
12.If you selected MANU, press the [ENT]
key again. Enter speed with the cursor
pad and press the [ENT] key.
pad and press the [ENT] key.
Figure 7-4 shows what the display might
look like using waypoints KOBE and
OSAKA as the FROM and TO
waypoints, respectively.
look like using waypoints KOBE and
OSAKA as the FROM and TO
waypoints, respectively.
Figure 7-4 Typical range and bearing
calculation display
13.Press the [MENU] key twice to finish.
Range, TTG, ETA between first and
final waypoints of a route
final waypoints of a route
You can easily find the range, TTG and ETA
between the first and final waypoints of a
route as follows:
between the first and final waypoints of a
route as follows:
1. Press the [MENU] key once or twice to
open the menu.
2. Select CALCULATE and press the
[ENT] key.
3. Press the [ENT] key.
4. Select ROUTE and press the [ENT] key.
5. Press the [ENT] key.
6. Select route number from the route list
with the cursor pad.