Select the check shot time depth pair to modify.

Type a time and depth pair for a new or existing row.

Select a check shot in the display pane above and click one of the following:
Insert to add a new row with the time depth values typed in the Time and Depth boxes. Regardless of the row selected, the inserted row is placed according to its depth.
Update to apply the values typed to the selected row.
Delete to remove the row or All to clear the entire display pane.

Click to save or load a file in ASCII format.