Raymarine LIGHTHOUSE 3, Advanced Operation Instructions

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Setting Description Options
Adjust for tides
• Adjust the laylines to take
into account tidal flow.
• On
• Off
Boat type
• Set your vessel’s boat type
to provide more accurate
leeway calculation.
• List of available Boat types
Show wind shifts • Display the minimum and
maximum waypoint laylines,
based on the varying True
Wind Direction (TWD) over
the last specified period.
• On
• Off
(Wind shifts) Time Period
• Set the specified time period
for wind shifts.
• 3 min
• 6 min (default)
• 12 min
• 30 min
• 60 min
(Wind shifts) Reset • Reset the recorded time of
historical wind shifts back to
0.
• Reset
Displaying and interpreting laylines
Once laylines are enabled and correctly configured in the Laylines tab in the Chart app Settings, they
will start rendering on the Chart display as your vessel is underway.
Laylines are displayed as a parallelogram under the following conditions:
• The vessel is under active navigation towards a Waypoint or Goto .
• A tack is required to meet an active Waypoint or Goto .
• The direct distance to the destination point is less than 150 nm from your vessel.
When the destination point is upwind the laylines will be displayed in a parallelogram formation, with
green and red laylines showing the port and starboard tacks, as shown below:
1. Destination
2. Starboard destination layline
3. Port vessel layline
Chart app
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