Uniden WHAMx4BK Manual del operador descargar pdf (Pagina 57)

Vivace Boat Information Book Web Version (BIB) (Rev February 13, 2014)

Revision 6 Page | 57

Other Instrumentation

Compass--Binnacle-mounted 5.5-inch lighted Aquameter Galaxy wet

compass. The compass is provided with a closable cover to protect it from sun

and weather when not in use.

The compass incorporates a lubber line marking the longitudinal axis (fore-aft

line) of the boat.

There are also lines at 45 degrees either side of the lubber line. These lubber

lines may be used when sailing close hauled to see if you are on the closest

course to your destination, without having to add or subtract the 45 degrees

every few minutes, or recalculate your required heading every time you tack. The

main line on the compass reads your current (close-hauled) heading and the

leeward lubber line will read the bearing to your destination, regardless of

whether you are on port or starboard tack.

Lubber lines also help you to see wind shifts when racing. If you are sailing

close-hauled with good trim and the bearing to the windward mark starts to drift

outside the lubber line (angle becoming greater than 45 degrees) you are being

headed, and should consider tacking. (http://en.wikipedia.org/wiki/Lubber_line)

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Uniden WHAMx4BK Manual del operador Pagina 57