1. OPERATIONAL OVERVIEW
1-26
1.24 Automatic Clutter Elimination (ACE) Function
This radar has the Automatic Clutter Elimination (ACE) function. This function detects
sea and rain clutter from received echoes’ range and bearing trend and automatically
reduces sea and rain clutter according to the Automatic Clutter Elimination (ACE)
threshold setting.
Note: Use this function with caution. Weak target echoes may disappear from the
screen.
1.24.1 How to turn the Automatic Clutter Elimination (ACE) function
on/off
Select the [ACE] box at the top left of the operational display area, then press the left
button to switch the [ACE] function [ON] or [OFF].
When [ACE] is activated, the [SEA] box and [RAIN] box are gray colored and cannot
be adjusted. The [GAIN] box changes to [GAIN ACE], as shown in the figure below.
Note: When [PERFORMANCE MON] (see section 1.47) or [SART] (see section 2.3)
is [ON], [ACE] is disabled and cannot be activated.
1.24.2 How to adjust the gain in Automatic Clutter Elimination (ACE)
mode
Rotate the F3 knob to adjust the sensitivity. (For default function key settings only.)
ACE can also be adjusted by placing the cursor inside the [GAIN ACE] level, then ro-
tating the ADJUST knob.
1.24.3 How to get high sensitivity
When Automatic Clutter Elimination (ACE) function is [ON], the high sensitivity mode
operates while pressing the GAIN control. You can select the level for the high sensi-
tivity mode as follows:
1. Open the [MAIN MENU].
2. Select [ECHO], then push the ADJUST knob.
3. Select [0 ACE] (For non-IMO radars) or [9 ACE]
(IMO radars), then push the ADJUST knob.
4. Select [SIGNAL ENHANCEMENT], then push the
ADJUST knob.
5. Select the level from [1], [2] or [3].
6. Close the menu.
ACE not activated
ACE activated
Place arrow inside window
to adjust ACE.
Place arrow inside window
to adjust ACE.
[ACE]
1 BACK
2 SIGNAL ENHANCEMENT
1 / 2 / 3
3 SUPPRESS SECTOR
START : 000
ANGLE : 000
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