Reference: The Preview Window 25
2.
Click on the Frame tool.
To see how the cursor lines work, draw a scan frame. Click on the top left
corner of the image as your starting point, then drag down to form a scan
frame.
As you draw the scan frame, cursor lines will appear to help you draw the
scan frame precisely.
When you release the mouse, your scan frame will be aligned with the
cursor lines.
Click on the Frame tool, then
define a starting point.
Cursor lines appear to the
top and left of the image.
As you drag the mouse down,
the scan frame is aligned with
cursor lines on the x and y
axis (based on your selected
option in the submenu).