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Chapter 4. Scanning Codes
(1)
Point the scanning window at the center of a target code and bring it into
contact with the label.
(2)
Press the trigger switch. The illumination LED lights in red.
(3)
When the QS20P-A has read the code successfully, the indicator LED will
illuminate in green and the beeper sounds.
Indicator LED
Trigger
switch
Scanning
window
Target code
• If the QS20P-A fails to read due to specular effects or other factors, change
the scanning angle of the scanning window or the distance from codes,
and try it again. (Specular effects occur when the reflection of the light
from the target code becomes excessively strong. This can easily happen
when the reflecting surface is polished or covered with vinyl.)
• Allow only a single QR code to come within the scanning range. If two or
more codes lie within the scanning range at the same time, the QS20P-A
may fail to read or continue reading those codes alternately.
• The QS20P-A can read QR codes omnidirectionally. Note that the target
code including the margin should lie within the scanning range.
Label
4
Bring the
scanning window
into contact with
the label.
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