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.