Tomey UD-800 Instruction Manual page 50

[Length measurement]
This function measures and displays the distance between two arbitrary points in
an image.
Touching two points in the image automatically calculates the slant distance
between the two points and displays the result in the image.
Touching the screen again changes the position of the active caliper (blue) and the
angle is re-calculated.
The following tools are available.
SW-C button : Switches the active caliper (blue).
Cursor button : Moves the active caliper (blue).
Line button
Perpendicular Line button : Shows/hides a line perpendicular to the above line.
Clear button
■ 3-18
1) Open the measuring tool by touching the "Open" button (1) in "Measurement"
in the FREEZE menu.
2) Select a tab to display a measurement tool (length, angle, or area).
3) Touching the "Close" button (2) closes the measuring tool screen.
(1)
: Shows/hides the line between the caliper marks.
: Deletes the measurement result.
(2)