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NOTE:
When adjusting Gain back to a useable level, increase the level un-
til you see a light peppering of echoes on the display. Also remem-
ber, you will have to adjust gain every time you change ranges.
To adjust Gain:
1. Press PAGES, select the Radar tab and press ENT.
2. Press
MENU, highlight GAIN and press ENT.
3. Use ↑ ↓ to adjust the Gain to a desired level. Press
EXIT.
Gain vertical scrollbar (left) with Anti-Sea Clutter scrollbar (right).
Anti-Sea Clutter (STC)
The Anti-Sea Clutter feature 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. Press MENU, select ANTI-SEA CLUTTER and press ENT.
2. Use ↑ ↓ to adjust Anti-Sea Clutter to a desired level. Press
EXIT.
Anti-Rain Clutter (FTC)
The Anti-Rain Clutter feature 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. Press MENU, highlight ANTI-RAIN CLUTTER and press ENT.
2. Use ↑ ↓ to adjust the Anti-Rain Clutter setting to a desired level.