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You can tilt the scanner up to 65° forward or back and achieve a successful decode. Simple
practice quickly shows what tolerances to work within.
1. Successful Scanning.
65°
2. Possible Specular Reflection.
Scan
Beam
Bar Code
Figure 2-1. Appropriate Angles for Scanning
Shaded area represents
dead zone (±2°)
Bar Code
Scanning
3. Successful Scanning.
65°
Scan
Beam
Bar Code
2-5
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