Datalogic PowerScan D8300, Reference Manual

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REFERENCES
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reader returns in range, transmission of the codes to the base station resumes
automatically, according to the selected communication protocol, upon simply
pressing and releasing the trigger or by successfully reading a new code.
In batch mode, the selected Transmission Mode determines the behavior of the
reader at the time the list of codes is transmitted. If One-way mode is enabled, the
codes are transmitted one after the other without interruption. In Two-way mode,
after transmitting each code, the reader waits for the Host answer message to be
shown on the display. Therefore, in Two-way transmission mode and normal batch
mode, the
Start Normal Batch Transmission barcode must be read after each code
to continue; whereas with automatic batch mode, just pull and release the trigger
after each code.
3-KEY MODEL
Each code is listed on the reader display together with its identifying position number
and its total number of characters. The three keys under the display have the
following function in batch mode:
Key Function
▲
(left) Key Scroll up in list
ENTER (center) Key Delete highlighted code
▼
(right) Key Scroll down in list
The code which has a transmission pending is shown on the display in reverse video,
indicating that it cannot be deleted.