48 GPSMAP 5000 Series Owner’s Manual
Using Radar
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radar
Changing Radar Settings
To change radar settings from the Home screen, touch Radar > Radar Setup, or touch Menu while
viewing the radar cruising screen or radar overlay screen and then touch 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
appears 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—shifts your current location toward the bottom of the screen as your speed
increases. Enter your expected top speed for 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)— controls unwanted screen clutter caused by rain at a distance. Set to
High, Medium, Low, or Off.
Front of Boat—sets the offset of the front of the boat if you mount the radar at an angle.
Antenna Size (GMR 404/406 only)—selects the size of your antenna. Touch 4 Foot if you have
a GMR 404; touch 6 foot if you have a GMR 406.
Motor Speed (GMR 404/406 only)—sets the motor speed of your GMR 404/406 radar to
Medium Speed or High Speed. High Speed increases the speed at which the antenna rotates,
which increases the speed at which the screen updates.
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