Simrad NSO, Operation Manual

Page: 35 / 116

34 | Using radar
sector zone
1 Activate one of the guard zones
2 Select a sector shape
-
A sector guard zone will now be positioned on the radar image
3 Select the menu option used for adjusting the zone
-
The menu will be removed from the display, and the rotary
symbol for range will be enlarged.
4 Use the rotary knob to adjust the range, depth,
bearing and width. You switch between the
adjustable settings by pressing the rotary knob
5 Press the
Menu
key to save the guard zone
settings
Other vessels on the radar image
Other targets from an AIS receiver (if installed) or tracked using the MARPA function can
be displayed on the Radar PPI or on the radar chart overlay. You can also see messages
and position for DSC transmitting devices within range.
For more information refer to the Other vessels on chart and radar image section.
Target tracking
Targets visible on the screen can be tracked by the MARPA function (Mini Automatic
Radar Plotting Aid).
NOTE: MARPA requires heading data for both the radar and the NSO.
1 Select Acquire targets from the menu
2 $ J
3 Repeat process for more targets
4 $[ >
Once your targets are identified, it may take up to 10 radar sweeps to acquire and then
track the target.
Target setup
Target expansion
You can select to increase the size for all thin targets on the radar panels.
Target trails
You can define how long time the trail that each target leaves should
remain on your radar panel. You can also turn OFF target trails.
NOTE: True motion is recommended for using Target trails.
Clearing target trails from the panel
When target trails are displayed on the panel, the menu will be expanded to include an
option where you can clear target trails from your radar panel temporarily. The target
trails will start to appear again unless you switch them off as described above.