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Gain vertical scrollbar (left) with Anti-Sea Clutter scrollbar (right).
Anti-Sea Clutter (STC):
This lowers receiver sensitivity at shorter ranges to reduce or eliminate
echoes that reflect back at the antenna due to wave action close to the
vessel.
Caution
Increasing STC may reduce or eliminate weak echoes, like small
vessels. Use only the minimum amount needed, then check back
periodically to see if the STC level may be decreased.
To adjust Anti-Sea Clutter:
1. Select ANTI-SEA CLUTTER from the radar menu and press ENT. The Anti-
Sea Clutter vertical scrollbar will appear.
2. Use ↑ ↓ to adjust Anti-Sea Clutter to a desired level. Press
EXIT to
remove the scrollbar from the screen.
Anti Rain Clutter (FTC)
This is used to reduce or eliminate massive numbers of small echoes
that clutter the display during rain or snow storms.
To adjust Anti-Rain Clutter:
1. Highlight ANTI-SEA CLUTTER on the radar menu and press ENT. The
Anti-Sea Clutter vertical scrollbar will appear.
WARNING:
Increasing FTC may reduce or eliminate weak echoes,
like those from small vessels. Use only the minimum
amount needed, then check back periodically to see if
the FTC level may be decreased.
2. Use ↑ ↓ to adjust the Anti-Rain Clutter setting to a desired level.
Press
EXIT to remove the scrollbar from the screen.