Simrad NSO, Operation Manual

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Using radar | 41
Directional Clutter Rejection
This mode automatically works when GAIN = AUTO and SEA = HARBOR or OFFSHORE.
The purpose is to allow smaller vessels to be seen in the leeward direction of the sea
clutter. The GAIN of the radar receiver is increased dynamically during the sweep, in the
leeward direction, for increased target sensitivity in heavier sea states.
When GAIN or SEA = MANUAL, the Directional Clutter Rejection mode will be OFF (non-
directional).
In addition, CALM, MODERATE or ROUGH STC Curve settings are available in the Radar
options menu to better optimize the radar image to your liking.
Reset Device ID
It is not necessary to reset the radar device ID for dual radar
operation. This feature is provided to enable displays that do
not support dual radar to view a particular radar source. This
operation must be performed with only the radar intended for
Device ID reset connected to the network.
The Reset Device ID button is located in the Radar
Status window in the Radar Installation menu. After
the reset is performed, power cycle the radar and
reconnect any other radars. The reset radar will
now be visible on Navico displays that do not
support dual radar.