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6. RADAR

6-15

6.13 Echo Average

The sea clutter reduction circuit can remove wanted echoes. If this occurs, use the

echo average feature. Echo average reduces the brilliance of targets within sea clutter

to allow you to better discriminate targets from sea clutter.

Note 1: Echo average requires heading and position data.

Note 2: Do not use echo average during heavy pitching and rolling, to prevent loss of

targets.

Note 3: Before using echo average, properly adjust the sea clutter.

Note 4: In the dual radar display, echo average works only on the left side screen, (1)

in the figure below.

To turn the echo average feature on or off, open the [Layers] menu, then turn [Aver-

age] off or on as required.

6.14 Guard Zone

The guard zone provides aural and visual alarms against targets (ships, islands, land-

masses, etc.) that enter the area you set.

6.14.1 How to set the guard zone

Note: You can not set the guard zone with a remote control unit (MCU-002, MCU-004

or MCU-005). Use the touch operation to set the guard zone. The available range

changes with the radar sensor - DRS4D-NXT, 0-24 NM; X-class radar sensors, 0-16

NM.

1. Open the [Layers] menu.

2. Turn on [Guard Zone 1] or [Guard Zone 2]. A dotted

white line guard zone appears.

3. Tap on a line of the guard zone, and the pop-up menu

appears.

(1) (2)

Dual display

Echo Average OFF

Echo Average ON

Furuno TZT2BB User Manual

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