Raymarine GPS navigation Operation Manual page 32

on track in the center. The
is the track line.
ON
Ideally, the helmsman sets the vessel's heading with his steering compass
or autopilot to the bearing shown for the waypoint destination and begins
watching the scale at the top of the
or the active graphic
The helmsman then provides steering correction to keep the boat symbol
on the track line or if watching the digital
at or near O.OOnm. This should take the vessel in the most direct path to the
destination waypoint while correcting for wind and current offsets along the
way. A good check point of correct steering is that your
eventually reads the original bearing to the waypoint, even though your actual
compass heading may be somewhat different.
Sometimes when steering to destinations it may be necessary to change
heading to avoid obstacles or other vessels in your path. Having deviated off
of your intended track, in many cases it's easier just to start a new track from
where you are, than to return to the old track-to-waypoint.
To start a new track, just press thelwlkey, followed by the numbers
of the same waypoint. Then press theF[key and the
recalculate bearings, distance and
waypoint. The vessel is now
the new bearing and distance to the destination is displayed. The
will be reset to "0.00 nm" since the vessel is
Sometimes you may prefer to turn
and displays. To turn
type 0,
area and waypoint data will disappear from the
If you have not yet stored any waypoints, you will hear multiple beeps when
methods discussed in section 3.6 of this chapter. TheI- key will also
give an error signal if you select an empty memory number by accident.
as a destination.
OPERATION 3-18
value will be set to "0.00 nm" since the vessel
XTE
display, the
NAV
screen.
values, keep the digital value
for the new track to the old destination
TTG
the origin of the new intended track line and
ON
the new line.
ON
the waypoint destination calculation
OFF
the operation press the/-key and
OFF GOT0
will appear on the displays in the message
NMEA
digital value,
readout
COG
unit will
NAV
value
XTE
0 183 data output.