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DS1500
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3.1.2 Tilt Angle Improvement with ACB
ACB allows barcode reading with an increased tilt angle. The tilt angle depends upon
the code aspect ratio defined as H/L according to the table below:
L
H
barcode label
Aspect Ratio
H/L
Max theoretical
linear tilt angle
Max practical
ACB angle
0.33 18° 30°
0.25 14° 23°
0.125 7° 11°
3.2 LINEAR CODE READING
The number of scans performed on the code by the DS1500 and therefore the
decoding capability is influenced by the following parameters:
• number of scans per second
• code motion speed
• label dimensions
• scan direction with respect to code motion
At least 5 scans during the code passage should be allowed to ensure a successful
read.
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