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Introduction
The FM515 contains:
a CCD image sensor and its lens
•
two LEDs based illumination system and two lenses
•
Sensor
Pixel: 2500*1 CCD
Frame rate: 780fps
Illumination
The FM515 has two red LEDs for supplementary lighting, making it possible to scan barcodes even in complete darkness.
The illumination can be programmed On or Off. Customers can add the external illumination system if needed. The spectral
range should be within the visible light.
The illumination LEDs produce a bar-shaped pattern to help
The illumination LEDs produce a bar-shaped pattern to help the user to easily position the target barcode within the scanner's
field of view to increase scan efficiency.
Note: when the scanner comes closer to the barcodes, illumination center and imaging center may deviate.
Chapter 3 Optics
Bar-shaped Pattern Illumination
Figure 3-1
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