Garmin GPSMAP 4208 Owner's Manual page 45

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Overlay Numbers—shows or hides cruising, navigation, fishing, sailing, or fuel numbers.
Radar Setup—access advanced radar settings
Targeting on the cruising screen
ROCKER
Use the
line appear. The green ring corresponds with the range rings to help define the distance of an object
from your location. The green line corresponds with the heading line to help define 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.
Target
(intersection)
Heading line
To stop targeting, select
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.
MARPA
target lost
MARPA object
targeted
Tracking
MARPA object
Dangerous
MARPA object
GPSMAP 4000 Series Owner's Manual
while viewing the cruising screen to begin targeting. A green ring and a green
Cruising Screen - Targeting
Stop Pointing.
MARPA Targeting
(page 43).
u r
SInG adar
Target options
Opens MARPA
target information
window
Target options
4