Advanced Scanning: Avoiding Distortion
American Science and Engineering, Inc.
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MINI
Z
Operator Manual 342-9000-1 Rev. B ECCN EAR99
Figure 7-1: To avoid distortion in the final images, move the scanner at a constant speed. About 6 inches
(15 centimeters) per second of time is a normal rate. Slightly slower rates give increased resolution. In addi-
tion, keep the front of the scanner perpendicular to the target, avoiding rotation (1) side-to-side, or (2) up or
down.
To ensure all of the final images have the same orientation and scale, always move with the bottom edge of
the scanner emitting face leading the way, keep a constant distance About 6 inches (15 centimeters) between
the front of the scanner and the target surface while moving consistently (3) left-to-right for sideways scan
paths, or (4) top-to-bottom for vertical scan paths. The ASEInspection Software keeps track of the sequence
of images in each image group. Scans are saved automatically.
The black object demonstrates the use of the safety shoulder strap. It is worn loosely over one shoulder and
under the opposite arm. The scanner is attached by loops (see
Section 11.5, Connecting the Scanner Unit
Shoulder Strap
) that slide along the shoulder strap, for ease of motion.
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