Automatic Adjustments Of Sea And Rain Clutters - Furuno 1835 Operator's Manual

Manual mode
1. Rotate the A/C RAIN knob to reduce the rain clutter.
2. Press the CANCEL/HL OFF key to close the window.
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Automatic Adjustments of Sea and Rain Clutters

When you can not correctly reduce the sea clutter or rain clutter with related control,
turn on the automatic anti-clutter feature. When this feature is turned on, "A/C AUTO"
appears at the lower-right corner.
1. Press the MENU key to open the menu.
2. Use the Cursorpad (
3. Use the Cursorpad (
4. Use the Cursorpad (
5. Press the MENU key to close the menu.
Caution on use
• [A/C Auto] can lower an echo which covers a wide area, like land or an island.
• When [A/C Auto] is active, the strength of a target in sea clutter or rain clutter can
be lower than actual strength. In this case change to manual A/C Sea and manual
A/C Rain and adjust the picture.
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Rain clutter at A/C RAIN control adjusted;
screen center rain clutter reduced
Rain clutter
or ) to select [Echo] and press the ENTER key.
or ) to select [A/C Auto] and press the ENTER key.
or ) to select [Off] or [On] then press the ENTER key.
A/C Auto: Off
1. DESCRIPTION OF OPERATION
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Land
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Target
A/C Auto: On
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