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Scanning Guidelines
The SIMATIC MV340 makes reading the most difficult direct part marks easy. The following
guidelines will help ensure optimal performance:
• In the default illumination setup, allow the SIMATIC MV340 to run through its illumination
sequences before terminating the read cycle. The SIMATIC MV340 captures several
images with each illumination zone, evaluating the optimum settings. If reading the
same part or same part type, the SIMATIC MV340 always uses the most recent good
read settings as a starting point so subsequent reads will be faster.
• Hold the SIMATIC MV340 still – do not swipe or move the imager. Pull the trigger and
hold until a read is indicated by the green LED.
• Hold the SIMATIC MV340 such that its front surface is parallel to the mark surface, and
the mark is centered. Unlike other readers that require a tilt to read, the SIMATIC MV340
is designed to operate this way.
Correct – Move in steadily with front of
imager parallel to surface.
• The SIMATIC MV340 features omnidirectional decoding. Centering the mark within the
field of view will yield the best decode performance.
SIMATIC MV340 User's Manual
Basic Operations
Incorrect – Too far away
and off axis to target
3-3
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