HD-MAX Echo Sounder User Guide
99
(2) Ship heading
Ship heading function refers to rotate background base map to make the
direction of the bow pointing to upward direction of the screen.
When
performing sounding survey according to the planned route, ship heading can
provide intuitive visual experience and is very helpful for ship navigation.
Heading up: Click [NorthUp]
to shift to Heading up mode. The icon
will change to
. If the ship position is locked, the view will automatically
rotate to keep ship bow direction pointing to upward direction of the screen.
North up: Click [ Heading up]
to shift to North up mode. The icon will
change to
. The view will automatically rotate to keep North up pointing
to upward direction of the screen.
Planned route drawing
Click [PlanLine]
to enter planned route drawing mode. Specific
operations shall refer to Section I of Chapter VII "Planned route drawing"
Graphic symbol
During marine surveying process, some marks are required to be done, such
as marking the measured areas or marking water-based facilities at the
measurement area. The frequently-used graphic symbols include dot, line and
surface. The system supports point mark, line mark and surface mark. Click
[Mark], and a mark dialog box will show up at the bottom of the view. Marks
can be added with a mouse or coordinate. The marks can be edited, deleted
and exported as DXF files.
