12. NAVIGATION TOOLS
12-10
12.7.2 How to set UKC
1. Select the [UKC] page from the [Overlay/NAV
Tools] box.
2. Use [Echo Alarm Limit] to set the distance for
the echo alarm. To activate the alarm, click the
[ON/OFF] button to show [ON].
3. At [UKC Limit], set ship's UKC limit. To activate
the UKC feature, click the [ON/OFF] button to
show [ON].
4. Use [Current Draught] to set your ship's
draught. Be sure to change the setting whenev-
er the draught changes.
5. Use [Type] to set how to show the seabed in the
[UKC] window, [V-shape] or [Concave]. See the figure in section 12.7.3.
6. Click the [Apply] button to affect the changes.
12.7.3 UKC window
The UKC window provides a visual graphic of the relationship between UKC, draught
and current depth. The window can be shown or hidden as desired and located any-
where within the electronic chart area. To show the window, click [Show UKC] on the
[UKC] page. To move the window, drag and drop.
V-shape seabed presentation Concave seabed presentation
100.2m
100.2m
UKC Limit:
UKC Limit:
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