Garmin GPSMAP 4000 User Manual
Page 47
GPSMAP 4000 Series Owner’s Manual
4
u
SInG
r
adar
U
Sin
G
r
adar
Xtalk Reject (Crosstalk)—filters 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. Select
4 Foot
if you have
a GMR 404; select
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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