Echo Trails; Turning On Echo Trails; Adjusting The Length Of The Echo Trails; Clearing The Echo Trails - Garmin Volvo Penta GLASS COCKPIT 8x10 Owner's Manual

your boat to a target object. On the Radar screen, the
VRM appears as a circle that is centered on the present
location of your boat, and the EBL appears as a line that
begins at the present location of your boat and intersects
the VRM. The point of intersection is the target of the VRM
and the EBL.
Showing and Adjusting the VRM and the EBL
You can adjust the diameter of the VRM and the angle of
the EBL, which moves the intersection point of the VRM
and the EBL. The VRM and the EBL configured for one
mode are applied to all other radar modes.
1 From a radar screen, select Options > Radar Options
> VRM/EBL > .
2 Select a new location for the intersection point of the
VRM and the EBL
3 Select Done.
Measuring the Range and Bearing to a Target Object
Before you can adjust the VRM and the EBL, you must
show them on the Radar screen
the VRM and the EBL, page
1 From a Radar screen, select the target location.
2 Select Measure.
The range and the bearing to the target location
appear in the upper-left corner of the screen.

Echo Trails

The echo trails feature enables you to track the movement
of vessels on the radar display. As a vessel moves, you
can see a faint trail of the vessel's wake. You can
change the length of time the trail is displayed.
NOTE: Depending upon the radar in use, the settings
configured for use in one radar mode may or may not be
applied to other radar modes or to the radar overlay.
NOTE: This feature is not available on xHD open array or
HD/HD+ radome models.

Turning on Echo Trails

From a radar screen, select Options > Radar Options
> Echo Trails > Display.

Adjusting the Length of the Echo Trails

1 From a radar screen or the radar overlay, select
Options > Radar Options > Echo Trails > Time.
2 Select the length of the trail.
Radar
(Showing and Adjusting
53).

Clearing the Echo Trails

You can remove the echo trails from the radar screen to
reduce the clutter on the screen.
From a radar screen, select Options > Radar Options
> Echo Trails > Clear Trails.

Radar Settings

NOTE: Not all options and settings are available on all
radar and chartplotter models.
NOTE: You can optimize the radar display for each radar
mode.

Radar Gain

Adjusting Gain on the Radar Screen Automatically
The automatic gain setting for each radar mode is
optimized for that mode, and may differ from the automatic
gain setting used for another mode.
NOTE: Depending upon the radar in use, the gain setting
configured for use in one radar mode may or may not be
applied to other radar modes or to the Radar overlay.
NOTE: Not all options are available on all radar models.
1 From a radar screen or the radar overlay, select
Options > Gain.
2 Select an option:
• To adjust the gain automatically for changing
conditions, select Auto Low or Auto High.
• To adjust the gain automatically to show birds over
the surface of the water, select Auto Bird.
NOTE: This option is not available on xHD open
array or HD/HD+ radome models.
Adjusting Gain on the Radar Screen Manually
For optimal radar performance, you can manually adjust
the gain.
NOTE: Depending upon the radar in use, the gain setting
configured for use in one radar mode may or may not be
applied to other radar modes or to the Radar overlay.
1 From a Radar screen or the Radar overlay, select
Options > Gain.
2 Select Up to raise the gain, until light speckles appear
across the Radar screen.
Data on the Radar screen is refreshed every few
seconds. As a result, the effects of manually adjusting
the gain may not appear instantly. Adjust the gain
slowly.
3 Select Down to lower the gain until the speckles
disappear.
4 If boats, land, or other targets are within range, select
Down to lower the gain until the targets begin to blink.
5 Select Up to raise the gain until the boats, land, or
other targets appear steadily lit on the Radar screen.
6 Minimize the appearance of nearby large objects, if
necessary.
7 Minimize the appearance of side-lobe echoes, if
necessary.
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