The vertical exaggeration is the ratio of the vertical scale versus the horizontal scale used in the Rear and Side Views.
The vertical exaggeration can be determined automatically by including all visible depths or it can be manually set.
When Auto mode is on, the Include Rejected option controls whether or not the rejected data is used to determine the minimum and maximum sounding depth in the Rear and Side Views.
1. Deselect the Auto mode by clearing the check box.
2. Click the up or down arrow buttons beside the Vertical Exaggeration box to set the vertical exaggeration.
You can set the vertical and horizontal scale of the view to control the amount of rejected data in the view
3. Select the Include Rejected option to resize the display in the view to include rejected data.