Furuno CSH-53 manual 3 Target lock mark appearance, Erasing target lock mark

Target lock mark appearance

The size and thickness of the target lock mark indicates fish speed and tracking status, as shown below.

Target lock	Meaning
mark appearance
Fast	Mark size indicates
Medium	relative speed.
Slow
(More than 5 Mark thickness shows
Tx cycles)	tracking status.
(Up to 3 Tx
cycles)

Figure 7-3 Target lock mark appearance

Erasing target lock mark

Target lock marks may be erased as follows:

1.Open the sub panel 2.

2.Select DELETE MK.

3.Press the [+] key for DELETE MARK FISH.

Choosing target lock mode

Two types of target lock are available: target mark and fish.

Target mark: Tracks the target lock mark, changing range and tilt angle according to ship’s movement. The fish school itself is not tracked.

Fish tracking: Tracks fish schoolís horizontal movement, chang- ing range and tilt to track movement.

Do the following to select target lock type:

1.Open the sub panel 1.

2.Press the [MENU] key while pressing the up arrow key in sub panel 1 to display the SYSTEM menu.

3.Select TARGET LOCK, and then press the [MENU] key.

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