Denso Wave DWBT001 用户手册
• Before reading 2D codes or bar codes, clean those labels if stained.
• Avoid using the BHT in direct sunlight. The BHT might fail to read
correctly.
• To read 2D codes or bar codes on curved surfaces, apply the BHT to the
target code so that the code comes to the center of the scanning range
indicated by the markers.
indicated by the markers.
• Depending upon the code size or cell pitch, the proper scanning distance
from 2D codes or bar codes will differ.
At the scanning time, the marker LEDs and illumination LED will come on.
The illumination LED may not come on where it is bright enough for the
BHT to scan. The light intensity of those LEDs will vary depending upon
the scanning conditions and variation of their elements.
The illumination LED may not come on where it is bright enough for the
BHT to scan. The light intensity of those LEDs will vary depending upon
the scanning conditions and variation of their elements.