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External-Single Mode
In External-Single mode, the sensor depends on an external trigger. For each trigger, the sensor captures an image and executes one
scan through the configured barcode types looking for the specified number of barcodes. This trigger mode uses the Scan Time Limit
parameter ( Main Menu > Inspection > Properties > Scan Time Limit ) to limit the amount of time the sensor will attempt to scan for
barcodes on an image.
Continuous Mode
In Continuous mode, the sensor uses internal timing to continuously capture images. For each captured image, the sensor scans through
the configured barcode types looking for the specified number of barcodes. If the specified number of barcodes is found, a Read event
occurs. If the specified number of barcodes is not found, the sensor captures another image and repeats the scan. There are two param-
eters that are used to fine-tune how Continuous Scan mode operates:
• Same Code Reject Time (set at the bottom of Main Menu > Imager > Trigger )—time in seconds that must elapse before the scan-
ner will report a previously scanned symbol again. A different symbol will be read immediately.
• Scan Time Limit ( Main Menu > Inspection > Properties > Scan Time Limit )—limits the amount of time the sensor will attempt to
scan for barcodes on an image.
iVu Plus BCR User's Manual
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