Newland FM208 Guia do Utilizador descarregar pdf (Página 22)

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Page 16

Getting Start

52.8

17.6

35.2

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140

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27°

Reading Stance is defined as the distance between the Imager front and an object (barcode). It affects image

capturing area and image quality, and thus affects reading performance.

Field of View & Divergence Angle

Reading Stance

Theoretical reading stance and barcode: (measurement: mm)

Barcode Density (mil) Near (mm) Far (mm)

Code 39 5 0 15

Code 39 10 0 25

PDF417 5 0 20

PDF417 10 0 30

QR Code 10 0 25

QR Code 15 0 36

Data Matrix 10 0 25

Data Matrix 15 0 40

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 113 114

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Newland FM208 Guia do Utilizador Página 22