Garmin GPSMAP 2108 User Manual
Page 41

GPSMAP
®
2008/2108 Owner’s Manual
37
U
sing
r
adar
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—defines a safe zone around your boat.
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/
standby cycle. Define the transmission time
(
Xmit Time
) and standby time (
stdby 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.