Wasp Bar Code WWR2900 - Manual (Page 4)

Chapter 1
2
Introduction
Barcoding is the most common Automated Data Collection (ADC)
technology providing timely, error-free information that can be used to
increase productivity, accuracy, and efficiency in the workplace. Virtually
every type of industry is using barcodes to replace keyboard data entry.
Studies have shown that a proficient data entry operator will make one
error for every 300 characters that are manually entered. The error rate
using barcodes is almost negligible and can be error-free using barcode
symbologies with the check digit enabled.
A wand is a pen-style scanner requiring physical contact with a barcode
when scanning. The wand is simple to use but does require the user to
maintain a tilt angle above the label surface. This controls the reflectance
of the light that is absorbed. A constant or continuous scanning motion
across the barcode must be maintained to regulate the sample rate. The
speed in which the user moves across the barcode is also important. If the
continuous scanning motion is too slow or too fast, the decoder may not
be able to detect the signal sent to it by the wand.
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