Symbol Technologies P 300STD Photo Scanner User Manual


 
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P 300STD/FZY/PRO Scanner Product Reference Guide
Buffer Data
To buffer data, Code 39 buffering must be enabled, and a symbol must be read with a space
immediately following the start pattern.
!
Unless symbol overflows the transmission buffer, the scanner gives a low/high beep
to indicate successful decode and buffering. See
Overfilling Transmission Buffer
.
!
The scanner adds the message, excluding the leading space, to the transmission
buffer.
!
No transmission occurs.
Clear Transmission Buffer
To clear the transmission buffer, read a symbol which contains only a start character, a dash
(minus), and a stop character.
!
The scanner issues a short high/low/high beep to signal that the transmission buffer
has been erased, and no transmission has occurred.
!
The scanner erases the transmission buffer.
!
No transmission occurs.
Clear Buffer
Transmit Buffer
To transmit the buffer, read a symbol containing either the first or second condition:
1. Only a start character, a plus (+), and a stop character.
!
The scanner signals that the transmission buffer has been sent (a low/high beep).
!
The scanner sends the buffer.
!
The scanner clears the buffer.
Transmit Buffer