Echo Trails; Turning On Echo Trails; Adjusting The Length Of The Echo Trails; Clearing The Echo Trails - Garmin GPSMAP 7400 Series Owner's Manual

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
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 Menu > Radar Options > Echo Trails > Display.

Adjusting the Length of the Echo Trails

1 From a radar screen or the radar overlay, select Menu > Radar Options > Echo Trails > Time.
2 Select the length of the trail.

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 Menu > Radar Options > Echo Trails > Clear Trails.

Optimizing the Radar Display

You can adjust the radar display settings for reduced clutter and increased accuracy.
NOTE: You can optimize the radar display for each radar mode.
1 Select a radar range (Adjusting the Radar Range,
2 Restore the default value of the gain setting
3 Adjust the gain setting manually
Radar
of the vessel's wake. You can change the length of time the trail is displayed.
(Adjusting Gain on the Radar Screen Automatically,
(Adjusting Gain on the Radar Screen Manually,
page 87).
page 92).
page 92).
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