12 Adding vertical marker lines to the echogram

In order to create a horizontal scale, you can add short vertical marker lines to your echogram. These lines are used to measure time or distance.

Context

The following options are available:

•

None: No vertical markers are shown.

•

Time: A short vertical line is drawn in the upper part of the echogram once every minute.

•

Distance: A short vertical line is drawn in the upper part of the echogram once every specified number of nautical miles.

Note

This is a visual enhancement. The choice you make has no effect on the overall performance of the EK80 system.

Procedure

Click once in the relevant view.

The view is activated. It is identified with a thick border.

Open the Active menu.

Select Echogram.

Observe that the Echogram dialog box opens.

On the left side of the Echogram dialog box, select Lines to open the page.

Under Ticks select the vertical marker lines you want to use.

Apply the change(s) you have made.

Select Apply if you wish to apply the chosen setting only to the currently active echogram view.

Select Apply to All if you wish to use the chosen setting on all the echograms of the same type.

Close the dialog box.