Datalogic GRYPHON, Reference Manual

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GRYPHON™
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5.8.4 Single Store
When single store mode is enabled, if the Gryphon™ M fails to transmit a code to the
cradle, it enters a special operating mode that prevents the user from reading
barcodes. When such operating mode is entered, the trigger no longer enables
barcode reading but is used to retry transmission itself for the number of attempts
selected in configuration. Once the transmission is successful the reader returns to
the standard mode. If transmission is not successful after the number of configured
attempts, the code is discarded.
Single store may be useful if you often read codes at the limit of the coverage area
and there is a chance that code transmission can fail. In such case single store
allows you to move to a more favorable position or location (i.e. closer to the cradle)
and retry transmission without the necessity of re-reading the code since it is already
stored in the reader.
Conversely, if single store is disabled, and the user wants to retry transmission, the
code must be read again, and therefore the attempt must be made from basically the
same location. If the user gives up, he does not know if the transaction was
successful. (Actually the transmission could have been successful but the cradle may
have been unable to acknowledge the message). There are applications in which
there is no risk of transmission failure. In such cases it may be better to disable single
store so that the user perceives a more consistent behavior of the trigger in that it
always corresponds to code reading.