GP1670F_1870F Operator's Manual - Furuno USA

4. ROUTESError messages in Easy RoutingError message Meaning RemedyLatitude of the defined points isgreater than 80°. Route has notbeen calculated.No charts with Easy Routingdata found. Calculation cannotbe started.The latitude of the points is over80°N/S.You tried to use Easy Routingwith no chart data.Reselect the points.Insert appropriate chart card.Route calculation has beenhalted.You canceled route calculation. –Route has not been calculated.Route is too complex, calculationcould not complete.Start and destination points aretoo far away. Calculation cannotbe stored.Start and destination pointsplaced in the same position.Route has not been calculated.Start or destination point ofroute cannot be moved to anavigable position on water.Route has not been calculated.Timeout has been exceed.Route has not been calculated.Route cannot be calculated in asituation other than those mentionedabove.The route is too complex to calculate.The start and destination pointsare more than 100 NM apart.Start and destination positionsare the same.One or both points of the routeare on land or on a forbidden area.The route could not be generatedwithin the time specified with[TIMEOUT] in the [EASYROUTING] menu.Reselect points and try the calculationagain.Try to select a slightly differentset of points.Reduce the distance betweenpoints to 100 NM or less.Select different positions.Reselect the points.Retry the calculation.4.3 How to Extend a Route on the ScreenYou can extend a route from the last point on the route. This is useful when you wantto travel beyond the last point in a route.1. Put the cursor on any leg of the route then press the ENT key.2. Select [EXTEND] from the context-sensitive menu then press the ENT key.3. Drag the cursor to where you want to extend the route. A dashed line runs betweenthe last point and the cursor.4. Press the ENT key. The dashed line is replaced with a solid line and the point isnumbered with the next sequential point number of the route.4-6