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Operating instructions GLP
5 -- 8
6.562.98.5.01.18
5.4.3 Switching over the PLU via a laser scanner
Depending on the scanner rules preset (see operating instructions), certain char-
acters of the bar code are interpreted as a PLU number and the related PLU re-
cord is loaded from the database.
5.4.4 Transmitting the scanning data via the interface
To permit the scancode to be transmitted via the interface, it must be activated
in the table for ’Send if data is mod.’ (see section ’Interface’ in the programming
instructions). ETX and STX are then removed from scanned strings and trans-
mitted as complete strings with an identifier via the interface.
5.4.5 Troubleshooting in the case of a PLU changeover via the laser
scanner
The bar--coded PLU number is illegible
If the labeler receives a NO--READ telegram from the scanner because of an illeg-
ible PLU number, the operator will be requested to activate a valid PLU number.
Labeling will only be continued after the input of a valid number.
Parity error
The labeler reacts to a parity error as in the case of a NO--READ telegram.
Incorrect bar code family or incorrect number of digits in the bar code
If the data content of the bar code does not contain eight or thirteen digits or if the
bar code number is incorrectly detected, the labeler reacts as in the case of a NO--
READ telegram.
Error on PLU change
If the bar code contains a number which is not created in the labeler, the operator
will be requested to enter a valid PLU number. In the event that the labeler signals
an error because of data lacking in the called up record, the operator will also be
requested to enter a valid PLU number.
5.4.6 Troubleshooting in sending data to the EDP
NO READ transmitted from the scanner or parity error of the interface
The operator is requested by the labeler to enter the code string manually.
Sending failed during transmission by the labeler
If the scanner string in the labeler is to be further transmitted via the interface and
the transmission cannot be carried out, a dialog together with the relevant error
message will appear. This dialog must be acknowledged. This will not cause the
automatic labeler to be stopped. Before scanner inputs are again accepted, the
dialog box must first be acknowledged.
If the scanner string in the labeler is to be further transmitted via the interface and
the receiver does not supply an acknowledgement, the labeler will recognize this
during the transmission of the next record and cause a dialog with a relevant error
message to appear. This dialog is to be acknowledged. The automatic labeler will
not be stopped and the last scan string will be cancelled. The dialog box must first
be acknowledged before a new scanner input is accepted.
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