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 draft.
Be sure to change the setting whenever the
draft changes.
5. Use [Type] to set the shape of your ship's hull to
show on the [UKC] window, [V-shape] or [Concave]. See the figure on the next
page.
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, draft and
current depth. The window can be shown or hidden as desired and located anywhere
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 hull presentation Concave hull presentation
100.2m
100.2m
UKC Limit:
UKC Limit:
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