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GPSMAP
®
2008/2108 Owner’s Manual 37
Us i n g ra d a r
gain to the default setting.
Rain Cltr—adjust the gain for unwanted clutter
caused by rain at close ranges. Select Left or
Right to adjust the rain clutter sensitivity.
Sea Cltr—adjust the gain for clutter caused by
choppy sea conditions. Select Nxt Prset by
steps to choose different level of sensitivity.
Select Left or Right to manually adjust the sea
clutter sensitivity.
Guard Zone—denesasafezonearoundyourboat.
An alarm sounds when a detected object enters this
zone. Select On or Off.
Circular: Joins the guard zone to completely
encompass the boat.
Circular
Nav Features —hides or shows distance, arrival time,
and bearing when navigating to a destination.
Overlay Numbers—show or hide cruising and
navigation 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/
standbycycle.Denethetransmissiontime
(Xmit Time) and standby time (Stdby Time)
in minutes.
Xtalk Reject (Crosstalk)—lteroutinterference
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.