Symbol Technologies LS 3070 Manuale Utente
6-27
LS 3070 Product Reference Guide: Programming
Transmit Buffer
To transmit the buffer, read a symbol containing either the first or second
condition:
condition:
1. Only a start character, a plus (+), and a stop character.
•
The unit signals that the transmission buffer has been sent (a hi/lo beep).
•
Unit sends the buffer.
•
Unit clears the buffer.
2. A Code 39 bar code with leading character other than a space.
•
The unit signals a good decode and buffering of that decode has occurred
by giving a hi/lo beep.
•
Unit transmits the buffer.
•
Unit signals that the buffer has been transmitted with a lo/hi beep.
Overfilling Transmission Buffer
If the symbol just read will result in an overflow of the transmission buffer:
•
Unit indicates that the symbol has been rejected by issuing three long,
high beeps.
•
No transmission will occur. Data in buffer is not affected.
Attempt to Transmit an Empty Buffer
If the symbol just read was the transmit buffer symbol and the Code 39 buffer
is empty:
is empty:
•
A short lo/hi/lo beep signals that the buffer is empty.
•
No transmission occurs.
•
The buffer remains empty.