Garmin GPSMAP 2008 Fish Finder User Manual


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38 GPSMAP
®
2008/2108 Owner’s Manual
Us i n g ra d a r
Antenna Size (GMR 404/406 only)—select
your antenna size (4 foot or 6 foot).
Motor Speed (GMR 404/406 only)—set the
motor speed of your GMR 404/406 radar
to Normal Speed or High Speed. High
Speed increases the speed at which the
antenna rotates, which increases the
speed at which the screen updates.
Targeting on the Cruising Screen
Use the ROCKER to begin targeting. A green ring
and a green line appear. The green ring corresponds
withtherangeringstohelpdenethedistanceofan
object from your location. The green line corresponds
withtheheadinglinetohelpdenethebearing
of an object from your location. As you move the
ROCKER, you adjust the point where the green ring
and green line intersect. This point indicates your
target. As you move the target over objects on the
radar, target options appear along the right side of the
screen.
Cruising Screen - Targeting
Heading
line
Target
options
Target
(intersection)
To stop targeting, select Stop Pointing.
Create Waypoint—marks a waypoint at the targeted
object or location.
Acquire Target—assigns a MARPA (Mini Automatic
Radar Plotting Aid) tag to the targeted object.
NOTE: MARPA requires the use of a heading
sensor. The heading sensor must output the
NMEA0183sentenceHDMorHDG.
MARPA Target (only appears when you are targeting
a tagged MARPA object) —opens the MARPA target
information window. Remove MARPA objects from
this window.
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