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Symbol LS3408 Product Reference Guide
Aiming
Do not hold the scanner directly over the bar code. Laser light reflecting directly back into the scanner from the bar
code is known as specular reflection. This specular reflection can make decoding difficult.
Tilt the scanner up to 65° forward or back to achieve a successful decode
shows what tolerances to work within.
Optimum Scan Angles
Figure 2-3
65°
65°
(Figure
2-3). Simple practice quickly