Transmit check character
UPC-A bar code data is fixed to 13 characters, and the 13th character is check bit, which is used
to check the correctness of all 13 characters.
Enable * Disable
Enable/Disable 2/5-bit Add-On code
The 2/5-digit Add-On code refers to the 2/5-digit digital barcode added after the ordinary barcode.
Disable* Enable
Transfer system character
Enable* Disable
Transmit system character and country code (“0” only for USA)