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1. OPERATIONAL OVERVIEW
1-15
1.12.2 Setting automatic rain clutter suppression level
1. Press the MENU key to open the menu.
2. Choose the Echo menu and press the ENTER key.
3. Choose Auto Rain and press the ENTER key.
4. Choose the option which best matches current sea condition and press the ENTER key.
5. Press the MENU key to close the menu. Rain clutter is automatically adjusted according to the
level selected.
1.12.3 Manual rain clutter adjustment
1. Push the A/C RAIN control to show “RAIN MAN” as the A/C RAIN adjustment method.
2. Rotate the A/C RAIN control to suppress the rain clutter.
Appearance of rain clutter
Rough
Moderate
Calm
Rain clutter at A/C RAIN control
screen center adjusted