Symbologies 15 - 39
Code 39 Buffering - Scan & Store
Parameter # 113
This feature allows the digital scanner to accumulate data from multiple Code 39 symbols.
Selecting the Scan and Store option (Buffer Code 39) temporarily buffers all Code 39 symbols having a leading
space as a first character for later transmission. The leading space is not buffered.
Decoding a Code 39 symbol with no leading space transmits in sequence all buffered data in a first-in first-out
format, plus the “triggering” symbol. See the following pages for further details.
Select Do Not Buffer Code 39 to transmit all decoded Code 39 symbols immediately without storing them in
the buffer.
This feature affects Code 39 only. If selecting Buffer Code 39, we recommend configuring the digital scanner
to decode Code 39 symbology only.
While there is data in the transmission buffer, you cannot select Do Not Buffer Code 39. The buffer holds
200 bytes of information.
To disable Code 39 buffering when there is data in the transmission buffer, first force the buffer transmission
(see Transmit Buffer on page 15-40) or clear the buffer.
Buffer Data
To buffer data, enable Code 39 buffering and scan a Code 39 symbol with a space immediately following the
start pattern.
•
Unless the data overflows the transmission buffer, the digital scanner issues a low/high beep to indicate
successful decode and buffering. (For overflow conditions, see Overfilling Transmission Buffer on page
15-40.)
•
The digital scanner adds the decoded data excluding the leading space to the transmission buffer.
•
No transmission occurs.
Clear Transmission Buffer
To clear the transmission buffer, scan the Clear Buffer bar code below, which contains only a start character, a
dash (minus), and a stop character.
•
The digital scanner issues a short high/low/high beep.
•
The digital scanner erases the transmission buffer.
•
No transmission occurs.
Buffer Code 39 (Enable)
(1)
*Do Not Buffer Code 39 (Disable)
(0)
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