SCANTECH ID (Champtek company) Pollux P-4010 - Manual (Page 23)

Using this Scanner
17
3.1 SCANNING BARCODES
This scanner is an omni-directional presentation scanner featuring a 6
directional scan field with a 24-line scan pattern. Barcode labels can easily be
read by presenting them to the scanner.
NOTE
Since this scanner is a presentation scanner, best results
are obtained if the barcode is moved towards the scanner.
This scanner's scan volume is illustrated in the figure below. The optimal
reading zone lies between 5 and 30 cm from the scanner window. The scan
depth varies depending on the size of the barcode.