Symbologies 12-27
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 scanner issues a short high/low/high beep.
• The scanner erases the transmission buffer.
• No transmission occurs.
Because the Clear Buffer contains only the dash (minus) character, set the Code 39 length to include length 1
before scanning this bar code.
Transmit Buffer
There are two methods to transmit the Code 39 buffer.
1. Scan the Transmit Buffer bar code below which contains only a start character, a plus (+), and a stop character.
• The scanner transmits and clears the buffer.
• The scanner issues a low/high beep.
2. Scan a Code 39 bar code with a leading character other than a space.
• The scanner appends new decode data to buffered data.
• The scanner transmits and clears the buffer.
• The scanner signals that the buffer was transmitted with a low/high beep.
• Scanner transmits and clears the buffer.
Because the Transmit Buffer contains only a plus (+) character, set the Code 39 length to include length 1
before scanning this bar code.
Clear Buffer
Transmit Buffer