Garmin Quickdraw Contours Settings; Automatic Identification System; Ais Targeting Symbols - Garmin echoMAP CHIRP 45 Series Owner's Manual

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2 Select SELECT > Add Quickdraw Label.
3 Enter text for the label, and select Done.

Garmin Quickdraw Contours Settings

From the chart, select MENU > Quickdraw
Contours > Settings.
Recording Offset: Sets the distance be-
tween the sonar depth and the contour
recording depth. For example, a sonar
depth of 3.6 m (12 ft.) with a recording
offset of -0.5 m (-1.5 ft.) creates contours
at a depth of 3.1 m (10.5 ft.).
Display Offset: Sets differences in contour
depths and depth labels on a Garmin
Quickdraw Contours map to compensate
for changes in the water level of a body
of water, or for depth errors in recorded
maps.
Survey Coloring: Sets the color of the
Garmin Quickdraw Contours display.
When the setting is turned on, successful-
ly recorded areas appear green, and un-
successfully recorded areas appear red.
When the setting is turned off, the contour
areas use standard map colors.

Automatic Identification System

The Automatic Identification System (AIS)
enables you to identify and track other
vessels, and alerts you to area traffic. When
connected to an external AIS device, the
chartplotter can show some AIS information
about other vessels that are within range,
that are equipped with a transponder, and
that are actively transmitting AIS information.
The information reported for each vessel
includes the Maritime Mobile Service Identity
(MMSI), location, GPS speed, GPS heading,
time that has elapsed since the last position
of the vessel was reported, nearest ap-
proach, and time to the nearest approach.
Some chartplotter models also support Blue
Force Tracking. Vessels being tracked with
Blue Force Tracking are indicated on the
chartplotter with a blue-green color.

AIS Targeting Symbols

Symbol
AIS vessel. The vessel is report-
ing AIS information. The direction
in which the triangle is pointing
indicates the direction in which
the AIS vessel is moving.
Introduction
Description
Target is selected.
Target is activated. The target ap-
pears larger on the chart. A green
line attached to the target indicates
the heading of the target. The
MMSI, speed, and direction of the
vessel appear beneath the target,
if the details setting has been set
to Show. If the AIS transmission
from the vessel is lost, a message
banner appears.
Target is lost. A green X indicates
that the AIS transmission from the
vessel is lost, and the chartplotter
displays a message banner asking
whether the vessel should contin-
ue to be tracked. If you discontinue
vessel tracking, the lost target
symbol disappears from the chart
or the 3D chart view.
Dangerous target in range. The
target flashes while an alarm
sounds and a message banner
appears. After the alarm has
been acknowledged, a solid red
triangle with a red line attached
to it indicates the location and the
heading of the target. If the safe-
zone collision alarm has been set
to Off, the target flashes, but the
audible alarm does not sound and
the alarm banner does not appear.
If the AIS transmission from the
vessel is lost, a message banner
appears.
Dangerous target is lost. A red X
indicates that the AIS transmission
from the vessel is lost, and the
chartplotter displays a message
banner asking whether the vessel
should continue to be tracked. If
you discontinue vessel tracking,
the lost dangerous target symbol
disappears from the chart or the
3D chart view.
The location of this symbol indi-
cates the closest point of approach
to a dangerous target, and the
numbers near the symbol indicate
the time to the closest point of
approach to that target.
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