Socket Secure Digital Scan Card Series 3 User Manual page 49

you find the best scanning distance. Hint: When encountering
scanning difficulties, most people have a tendency to move the
scanner too close to the target bar code! Try moving it farther
away for better results.
4. Position the scanner at an angle — No bar code scanner works
well when positioned exactly perpendicular to the target bar
code label, because the reflected light tends to "blind" the
sensing mechanism. For best results, position the scanner at
least 15 degrees away from the perpendicular to the surface of
the bar code.
5. Experiment with different techniques and conditions — The
more you experiment with different techniques, lighting
conditions, scanning distances and positions, the more
proficient you will become.
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