User`s manual

33
Barcode Handy Terminal
− Note −  By using the “KbifCE” utility software, codes read by the BHT can be converted into keypad data
to be transmitted to an application program. The utility software can be downloaded from the
DENSO WAVE Web site (http://www.denso-wave.com/
). For further details, refer to the “2D Code
Scanner/Barcode Scanner Keyboard Interface with BHT-CE kbifCE User's Guide“ provided with
the software.
When unable to successfully read barcodes…
Cause Countermeasure
Specular
reflection
When the illumination LED is focused on
the printed surface of the barcode from
directly above, there are times when
scanning is unsuccessful due to specular
reflection.
Change the BHT scanning angle and try again.
Distance from
barcode
Scanning may be unsuccessful if the BHT
reading window is too close to or too far
from the barcode, even when the barcode
is within the illumination LED range.
Move the BHT slowly toward or away from the barcode
and try again.
The illumination LED range is only a guideline.
Barcodes can be read at a maximum distance of 70 cm
from the BHT reading window.
Barcode surface
curvature
Scanning may be unsuccessful if the
barcode surface is curved.
Scan the barcode at the center of the barcode reading
window.
Barcode surface
dirt
Scanning may be unsuccessful if the
barcode surface is dirty.
Wipe the dirt from the barcode and try again.
Barcode reading
window dirt
Scanning may be unsuccessful if the
barcode reading window is dirty.
Blow any dust away with an airbrush, and then gently
wipe the reading window with a cotton swab or similar soft
object.
Direct sunlight,
ambient light
Barcode scanning may be adversely
affected by direct sunlight or the
brightness of the surrounding light.
Perform barcode scanning away from direct sunlight. Try
adjusting the brightness of the surrounding light when
scanning indoors.