NorthStar 972, Быстрый старт и справочное руководство

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18
Chart options
Northstar 972
Chart options
Once on the
Chart
screen, Press and hold
the
CHART
key to display options for the
Chart
screen. See page 33 for the other
options.
Press
Chart Detail
to select the items to be
displayed on the chart screen.
3D chart screens
The Northstar 972 can also display
three-dimensional images of the ocean
bottom and land areas. Press the
3D
key to
display these images.
Use the cursor pad to position the camera
viewpoint.
A red line drops from the vessel to the
seabed to show the water depth visually.
Menu keys:
•
Overlay — applies a vector-based chart
to the 3D image (this operation may
take quite a bit of time the first time a
chart is accessed)
•
Browse — allows the viewpoint to be
moved by using the cursor pad
•
Bottom Lock — Locks the camera to the
seabed directly under the vessel,
instead of the vessel itself
•
Camera up — in Browse mode, moves
the camera viewpoint higher
•
Camera down — in Browse mode, moves
the camera viewpoint lower
•
More info — steps through the available
info bars at the bottom of the screen
•
Alarms
The Northstar 972 alerts you to conditions
that may require attention. Some alerts are
strictly informative, such as nearing a
waypoint, and some warn of conditions such as loss of navigation signals. The unit
alerts you with a beeping sound and a
flashing symbol at the right edge of the
screen. Many alarms automatically clear