Man Over Board
The Man Over Board function key shares the same key
with the “Mark or Event” function key. When depressed
for 3 seconds, it activates a number of automatic func-
tions described below.
Most obviously, it brings up an MOB1 (Plot) screen. This
is an automatic scaling screen. The screen centers on
half the distance between your present position and the
MOB position. In addition, the MOB position is displayed
in the upper left corner, so that you can quickly read the
coordinates to others who may be available to render as-
sistance. This plot screen also provides the vital bearing
and distance back to the MOB position, as well as your
present course over ground.
The MOB position, date and time are stored in the next
vacant waypoint memory of the Waypoint Bank for future
reference (e.g. log book entries). An MOB symbol is used
to denote an MOB waypoint.
The range and bearing in the PLOT, NAV, and MOB screens
all reect your bearing and range back to the MOB posi-
tion, not the active route, until the MOB is canceled.
NMEA 0183 sentences (i.e. BWC and BWR) and the print-
er output are changed to reflect the current crisis situa-
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