Symbol Technologies LS 3070 - Manual (Page 23)

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LS 3070 Product Reference Guide: Scanning with the LS 3070
Scanning Transmission Range
RF Communication Errors
RF communication errors occur when the scanner is out of range from the base
during a scan data transmission attempt. An error is indicated by 6 beeps after
a bar code is scanned, although the bar code data appears on the host display.
This happens when the base receives the bar code data but the scanner did
NOT get the HIF response from the base, and therefore timed out.
The base reported an RF communication error because the NOMAD protocol
was not completed before timeout, however, transmitted the bar code data to
the host. Since the data has been sent, normal communications must be re-
established.
Restoring Normal RF Communications
Move the scanner closer to the base station so the transceivers can
communicate with each other better. Then re-scan the bar code. The scanner
sounds a good decode beep but the base does not display the bar code data,
because the data was already transmitted on the previous scan.
Resume normal scanning.