Raymarine LIGHTHOUSE 4, Operation Instructions Manual

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5. Port wind angle target — Align the larger wind indicator (AWA or TWA)
with the notch to optimize Velocity Made Good (VMG) when tacking
to port upwind.
6. Downwind angle target — Align the larger wind indicator (AWA or TWA)
with the notch to optimize Velocity Made Good (VMG) when gybing
downwind
7. Apparent wind speed
8. Compass dial — The compass dial remains fixed and the indicators move
around the dial to indicator direction/angle.
9. Rudder bar — Provides an indication of rudder position.
10. Starboard wind angle target — Align the larger wind indicator (AWA
or TWA) with the notch to optimize Velocity Made Good (VMG) when
tacking to starboard upwind.
11. AWA indicator — Apparent Wind Angle.
12. Downwind angle target — Align the larger wind indicator (AWA or TWA)
with the notch to optimize Velocity Made Good (VMG) when gybing
downwind
13. TWA indicator — True Wind Angle.
14. TIME TO TACK — Time left to tack.
15. SAILING WPT TTG — Waypoint Time To Go (current destination waypoint
or goto location).
16. TARGET STW — Speed Through Water target.
17. POLAR PERFORMANCE
The apparent wind dial can be changed to one of the alternative sailing dials.
For details refer to:
The sailing dials are unique to default pages and cannot be reproduced
on custom data pages.
Data items 1 to 4 and 14 to 17 can be customized. Data item 9 can be hidden
if desired.
Sailing dials
There are several variations of the sailing dial that can be displayed in the
Navigation, page, sailing page and race start page.
Examples — Dashboard app sailing dials
1. Apparent wind dial — For details refer to: p.335 — Sailing page
2. Navigation dial — For details refer to: p.338 — Navigation page
3. True wind dial — The true wind dial uses true wind values instead of
apparent wind values.
4. Sailing wind angle dial — The sailing wind angle dial displays digital
wind angle instead of apparent wind speed of true wind speed.
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