11 navigation to a single destination, 12 range/bearing function, 13 man overboard (mob) – Seiwa Starfish 2nd Edition User Manual
Page 21: Selecting map orientation, Inserting r/b, Deleting r/b, Editing r/b, Inserting mob

23
User Manual
Selecting Map Orientation
To select the orientation of your chart according to:
[MENU] + "Map Options" + [ENTER] + "Map Orientation" + [ENTER]
The available choices are North Up (the map is shown with North upwards), Head
Up (the map is shown with the ship's current heading upwards) and Track Up (the
map is shown with the currently selected course leg upwards).
If Head Up or Track Up has been selected, the Resolution angle can be set:
[MENU] + "Map Options" + [ENTER] + "Map Orientation" + [ENTER] + "Head
Up" or "Track Up" + [ENTER] + use cursor to insert values + [ENTER]
The Resolution angle, which may be selected in the range [5 – 60] degrees,
defines the maximum variation of the reference angle after which the map changes
its orientation.
1.11 NAVIGATION TO A SINGLE DESTINATION
To place the destination at cursor coordinates and activates navigation to it:
Place the cursor on location to navigate to + [ENTER] + "GOTO" + [ENTER]
MARLIN/OYSTER:
Place the cursor on location to navigate to + [GOTO]
You are now navigating to the destination drawn as a Mark with a circle around it,
labelled "DEST". A straight line is shown on the screen connecting the destination
with the ship's position. All navigation data is referred to this destination.
1.12 RANGE/BEARING FUNCTION
The Range/Bearing function allows to measure the Lat/Lon coordinates between
two points on the Chart page.
Inserting R/B
[ENTER] + "R/B" + [ENTER]
A dotted line and a circle appears on the screen. A window containing the distance
and bearing values is shown. The origin of the line and the circle's centre is the cursor
position: use the cursor key to move the dotted line in any direction you choose; in
the same time the radius changes. Press [A
CCEPT
] to confirm ([C
ANCEL
] otherwise).
Deleting R/B
Place the cursor on existing R/B + [D
ELETE
]
Deletes the line and the circle.
Editing R/B
Place the cursor on existing R/B + [E
DIT
]
Modifies the line direction and the circle radius. Use the cursor key to move the
dotted line in any direction you choose; in the same time the radius changes.
Press [A
CCEPT
] to confirm ([C
ANCEL
] otherwise).
1.13 MAN OVERBOARD (MOB)
If a person or object is lost overboard and you need to return to the location, use
the MOB (Man OverBoard) function.
To activate the MOB function, a valid GPS fix must be available.
Inserting MOB
[MOB]