NorthStar Navigation NorthStar 8000i - Manual (Page 133)

Northstar 8000i Operation Manual 133
(If the sea clutter mode is set to Auto and you adjust the sea clutter setting
manually, the sea clutter mode is changed to Manual.)
To change the sea clutter mode:
1. Display the Radar screen and control panel. If you can't see the
Adjust Radar button, select Return.
2. Select
Adjust Radar.
3. The
Sea Clutter Mode button shows the current setting. Select
the button if you want to change the setting and a drop down list of
choices appears.
4. Select the new setting. The new setting is applied immediately to all
the Radar screens and stays until you change it again.
5. When you are finished, select Return.
22.5 Change the sea clutter setting
If the sea clutter setting is too low, a lot of sea clutter will be displayed. If the sea
clutter setting is too high, there's a chance that you'll lose small targets.
The sea clutter setting is shown as a percentage. 0% is the default.
(If the sea clutter mode is set to Auto and you adjust the sea clutter setting
manually, the sea clutter mode is changed to Manual. This applies to all the Radar
screens )
To change the sea clutter setting:
1. Display the Radar screen and control panel. If you can't see the
Adjust Radar button, select Return.
2. Select
Adjust Radar.
3. Select
Sea Clutter and a slider box appears. The current setting is
shown as a line within a solid bar of color and as a percentage.
4. Drag the line, or use the rotary knob, to change the sea clutter setting.
5. Select
OK to confirm the new setting. The new setting is applied
immediately to all the Radar screens and stays until you change it
again.
6. When you are finished, select Return.
NOTE: When you change the sea clutter setting yourself, the sea clutter mode
automatically changes to manual. (See "Change the sea clutter mode".)
22.6 What is rain clutter?
Rain clutter consists of random dots that can merge into badly-defined echoes on
your Radar screen.
The random signals are returned from rain, hail, sleet, or snow and can result in a
confusing display.