On the value of the projected heading setting – Garmin GPSMAP 546s User Manual

Page 49

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GPSMAP 400/500 Series Owner’s Manual

43

Activated dangerous target

Projected course

MMSI

Heading

Direction of turn

When course over ground and heading information are provided by an

activated AIS target, but rate-of-turn information is not provided, the projected

course of the target is calculated based on the course over ground information.

Activated target

Projected course

MMSI

Heading

Turning Off AIS reception

AIS signal reception is turned on by default.

From the Home screen, select Configure > Other Vessels > aiS > Off.
All AIS functionality on all charts and on all 3D chart views is disabled.

This includes AIS vessel targeting and tracking, collision alarms that result

from AIS vessel targeting and tracking, and information about AIS vessels.

Enabling AIS-SArT Transmission Test Alerts

In order to avoid a large number of test alerts and symbols in crowded areas

such as marinas, AIS-SART test alerts ignored by default. To test an AIS SART

device, you must enable the chartplotter to receive test alerts.

From the Home screen, select Configure > Other Vessels > aiS SaRT

Test.

Showing AIS Vessels on a Chart or on a 3D Chart View

AIS requires the use of an external AIS device and active transponder signals

from other vessels.
You can configure how other vessels appear on a chart or on a 3D chart view.

The display range configured for one chart or one 3D chart view is applied

only to that chart or to that 3D chart view. The details, projected heading, and

trails settings configured for one chart or one 3D chart view are applied to all

charts and to all 3D chart views.
NOTE: Mariner’s Eye 3D charts are available only if you use a

BlueChart g2 Vision SD card. Fishing charts are available if you use a

BlueChart g2 Vision SD card or if your built-in map supports Fishing charts.
1. From the Home screen, select Charts.
2. Select Navigation Chart, fishing Chart, Perspective 3d, or Mariner’s

Eye 3d.

3. Select MENU > Other Vessels > display Setup.

display Range—indicates the distance from your location within

which AIS vessels appear. Select a distance or select Show all.

details—shows or hides details about AIS-activated vessels.
Proj. Heading—allows you to enter the projected heading time for

AIS-activated vessels.

Trails—shows the tracks of AIS vessels. Select the length of the track

that appears using a trail.

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