JRC FF50 Instruction Manual page 16

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Initialization ................... It takes up to 20 minutes for GPS position fixing
Keel ................................ The center of the hull, running from the bow to the
Kick-up bracket .............. A bracket which is installed on the transom of a vessel
Manual sequencing mode .... The unit sounds the arrival alarm and the operator
Master reset..................... A function for clearing all settings and returning to
NMEA0183.................... National Marine Electrical Association 0183. Associa-
Off-course alarm ............. An alarm indicating that the vessel has deviated more
Port ................................. Left (nautical term).
Position fixing ................. The process of deriving the current location of a vessel
Range ............................. The depth scale which you can set to either automatic
Route plan ...................... A plan that registers plural waypoints in a navigational
Sensitivity ....................... The ability of a receiver to receive echoes of different
Starboard ........................ Right (nautical term).
Stern ............................... The rear of a vessel (nautical term).
Transducer ...................... A device mounted on the transom of a vessel or
Transom .......................... The back vertical portion of the hull.
Zoom .............................. This refers to the magnification of the display to better
when it is used for the first time or after a master reset
has been performed. This time can be reduced by
entering initialization values such as estimated posi-
tion, time and antenna height.
stern.
used for holding the transducer in place. It will release
and kick up out of the water to prevent damage to the
transducer, such as when striking an object in the
water.
will manually press key to step to next leg in the route
plan when it is safe to do so.
the factory set values (default values). Two types of
master resets are provided. A soft reset clears all data
exept for waypoint and route plan data. A hard reset
clears all data.
tion establishing international standards for communi-
cations between navigational equipment and the
standard established by NMEA
than a set distance from a predetermined course.
using GPS or DGPS sensor.
or manual. The range value appears at the bottom
right of your display.
path.
strengths. You should use more sensitivity for deep
water, and less sensitivity for shallow water.
through the hull. It sends and receives ultrasonic
signals which determine seabed conditions and the
presence of marine life.
identify objects or structure.