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Digitize the outer edge

1. Click the Start Digitize button.
2. Snap to a point on the 200M line by placing your mouse cursor over the line in the East Sea area and clicking the left mouse button.
3. We are now going to follow this line north until we meet the crossing 60M line. Place your cursor close to the crossing between the 200M line and the 60M line and press s on the keyboard.
4. We now want to follow this 60M line until me meet the next crossing 60M line. Place your cursor close to the crossing between the 60M line we are at and the next 60M line and press s
5. Again we want to follow this 60M line until me meet the next crossing 60M line, but we want to make sure it follows the outer part of the 60M line. Place your cursor somewhere on the outer part of the 60M line and press m.
6. Follow the line to the next 60M crossing line by placing your cursor close to the crossing between the 60M line we are at and the next 60M line and press s.
7. We now want to follow this 60M line until me meet the crossing 200M line. Place your cursor close to the crossing between the 60M line we are at and the 200M line and press s
8. We now want to follow the 200M line until me meet the crossing 60M line again. Place your cursor close to the crossing between the 200M line and the crossing 60M line and press s
9. We now want to follow this 60M line until we can reach the sediment thickness points. Place your cursor further up on the 60M line and press m
10. When you can see the sediment thickness points inside the white circle you can connect to them by clicking the left mouse button. Tip: place the cursor outside the point furthest out to snap to the "maximum" point.
11. Continue to click the left mouse button until you are have passed the sediment thickness area.
12. We now want to connect to the 60M line in the north. Place your cursor close to the crossing between the 60M line and the white 60M circle and press c.
13. We now want to follow this 60M line until me meet the crossing 200M line, but we want to make sure it follows the outer part of the 60M line. Place your cursor somewhere on the outer part of the 60M line and press m.
14. Follow the line to the 200M crossing line by placing your cursor close to the crossing between the 60M line and the 200M line and press s.
15. We now want to follow this 200M line a little bit further to the west. Place your cursor somewhere to the west on the 200M line and press m.
16. Stop digitizing by clicking End Digitize
17. You will be asked to specify a name. Type in Outer Edge Limit and click OK
18. The dataset is stored in 4. Outer limit / Outer Limit click OK
19. Click Close to close the Outer Limit Menu