Garmin 4008 Manual Do Utilizador

Using Radar

Overlay Numbers—show or hide cruising, navigation, fishing, sailing, or fuel numbers.
Radar Setup—access advanced radar settings.

Orientation—change the perspective of the radar display.
Heading Line—show or hide a line in the direction of travel.
Rings—show or hide the radar range rings.
Look-Ahd Spd—turn on to shift your current location toward the bottom of the screen as your 

speed increases. Enter your top speed for the best results.
timed Xmit—set and customize a transmit/standby cycle. Define the transmission time (

) and standby time (

) in minutes.

Xtalk Reject (Crosstalk)—filter out interference caused by another radar operating in close 

proximity.
Advanced—access advanced radar settings:

FTC (Fast Time Constant)—reduce unwanted clutter caused by rain at a distance.
Front of Boat—offset the front of the boat if you mount the radar at an angle.
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.

Use the 

 (GPSMAP 4000 series) or touch the target location (GPSMAP 5000 series) to 

begin targeting. A green ring and a green 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 

, 

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.

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