Furuno FMD3100, Operator'S Manual

Page: 159 / 395

9. ROUTES
9-13
Search
type
Options Sample pattern
Expanding
square
Direction : Set the direction to start
the search, Clockwise or Anticlock-
wise.
Search Pattern Heading: See the
right figure.
Start Leg Length: Enter the start leg
length.
Number of Legs: Enter the number
of legs to use.
Starting at the probable location of
the target, the search vessels expand
outward in concentric squares.
Parallel
tracks
Direction: Select the direction to
start the search, Clockwise or Anti-
clockwise.
Search Pattern Heading: See the
right figure.
Start Leg Length: Enter the start leg
length.
Track Space: Enter the length of the
short legs in the route.
Number of Legs: Enter the number
of legs to use.
The parallel tracks pattern is usually
the first pattern used in undertaking a
search operation, since it assumes
that the search object is in the vicinity
of the track.
Start Point
WPT1
WPT2
Start Leg
Length
WPT3
WPT4
WPT5
WPT6
Search
Pattern
Heading
90.00°
90°
90.00°
90.00°
WPT7
WPT8
Search
Pattern
Heading
(North ref.)
Start Leg
Length Track space
Start Point