Scanning 2D Barcode - Newland NLS-MT90 User Manual

Scanning 2D Barcode

Adjust the scan angle and the distance between the MT90 and the target barcode to make them fall into the following
ranges:
1. Point the MT90's focus lamp at the center of the barcode.
2. Move the MT90 until you find the appropriate scan distance.
3. Optimum scan angles:
23
Skew (α)< 45°(0° preferably)
Pitch (γ)< 45°(5°- 20° preferably)
Roll (β)= 0°- 360°