Filter
Top Products
48 GPSMAP 4000 Series Owner’s Manual
uSInG radar
usInG
radar
Radar Setup
To change radar settings, from the Home screen, select Radar > Radar Setup, or press MENU
while viewing the radar cruising screen or radar overlay screen and select Radar Setup.
Orientation—changes the perspective of the radar display:
Heading Up—sets the radar display to the current track heading.
North Up—sets the top of the radar display to a north heading.
Course Up—sets the radar display so the direction of navigation is always up. The heading
line will appear vertically on the screen if it is shown.
Heading Line
—shows or hides a line in the direction of travel.
Rings—shows or hides the radar range rings.
Look-Ahd Spd—
enable this to shift your current position towards the bottom of the screen as your
speed increases. Enter your top speed for the best results.
Timed Xmit—sets and customizes a transmit/standby cycle. Dene the transmission time
(Xmit Time) and standby time (Stdby Time) in minutes.
Xtalk Reject (Crosstalk)—lters out interference caused by another radar operating in close
proximity.
Advanced—opens a menu of advanced settings:
FTC (Fast Time Constant)—Set to High, Medium, Low, or Off. This helps reduce unwanted
clutter caused by rain at a distance.
Front of Boat
—allows you to offset the front of the boat if you mount the radar at an angle.
Antenna Size (GMR 404/406 only)—allows you to select the size of your antenna (4 Foot or
6 Foot).
Motor Speed (GMR 404/406 only)—allows you to 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.
•
•
•
•
•
•
•