Hide/Show Navigation Features; Additional Adjustment Menu Items - Garmin GMR 406 Owner's Manual

MARPA Setup Menu
To change a MARPA fi eld option:
1. Use the Rocker to highlight the desired fi eld and press
ENTER to activate the fi eld selections.
2. Use the Rocker to highlight the desired selection.
3. Press ENTER to accept the change.
Vector Length —predicts the target's approximate position at a set
time interval. This setting determines the length of the Vector Line,
based on the time interval setting and the target's speed. The time
interval settings range from .05 minutes to 60 minutes.
Target History—is a trail showing a targets movement. Target
History can be turned On or Off.
GMR 404/406 Owner's Manual
GMR 404_406 Owners Manual Preliminary Review.indd 13
Prelimimary Copy—For Review Only Prelimimary Copy—For Review Only
PRELIMINARY
PRELIMINARY
GMR 404/406 O GMR 404/406 O GMR 404/406 O
PERATION PERATION PERATION
Own Vessel Safe Zone—is a circular area defi ned by a range setting
that is centered on your own vessel. If a target enters the defi ned area
an alarm is sounded. The Safe Zone can be set to a distance between
.01 and 2 nautical miles.
Time To Safe Zone—sounds an alarm if MARPA determines that a
target will intersect the Own Vessel Safe Zone within the defi ned time
interval. The time interval settings range from 3 to 24 minutes.
Safe Zone Ring—displays a ring on the Radar Page depicting the
Own Vessel Safe Zone.
Velocity Reference—has two settings, Absolute and Relative. This
setting determines how speed and direction are displayed on the
MARPA list. Relative calculates target speed and direction relative to
your own. Absolute displays the target's actual speed.

Hide/Show Navigation Features

This setting hides or shows navigation features such as Waypoints, a
Bearing Line and a Course Line on the Radar Page. See page 16 for
more information on selecting the Navigation Features.

Additional Adjustment Menu Items

There are three additional items available on the Adjustment Menu:
Map Cursor On/Off, Setup, and Enter Standby/ Begin Transmitting.
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