Setup > Radar - Simrad NX40 Installation & Operation Manual

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Surface clutter filter
Pulse length
Pulse power
18-4 Setup > Radar
Note: This option is shown only when the radar is
enabled.
Rotation
Simrad NX40/45 Installation and Operation Manual
however these settings may also
remove fish echoes. Select Off for
best fishfinding.
Use this filter to hide the
surface noise. Any significant echoes
(such as fish) will still be shown.
This can be used to specify the
length of the transmitted ultrasonic
pulse. A short pulse length improves
the window detail but contains
less energy, therefore it does not
penetrate as deeply into the water as
a longer pulse.
There is a choice of Auto, Short,
Medium or Long. The Auto setting is
recommended.
This can be used to specify the power
output of the transmitted ultrasonic
pulse. Low power output conserves
the battery and produces a clear
display in shallow water.
There is a choice of Auto, Low,
Medium or High. The Auto setting is
recommended.
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Radar
The current radar rotation is shown
in the top left corner of the radar
screen. If COG data or heading data
is not available from a compass, the
radar rotation is automatically set to
Head up. If heading data is available
from a compass, the options are:
North up works only when COG
data or heading data from a heading
sensor is available. North is always at
the top of the radar screen.
Head up means that the radar image
rotates underneath your boat, so the
direction in which you are heading
is pointing to the top of the radar
screen. You can easily compare the
visual view in front of your boat with
the radar screen.
Course up works only when COG
data or heading data from a heading
sensor is available and there is an
active route. It means that your