FNC1 is the character right after the start character
FNC1 is the 2nd character after the start character
EAN-8+2-Digit Add-On Code
EAN-8+5-Digit Add-On Code
EAN-13+ 2/5-Digit Add-On Code
UPC-E+ 2/5-Digit Add-On Code
UPC-A+ 2/5-Digit Add-On Code
No check digit verification
Transmit check digit after verification
Do not transmit check digit after verification
Do not transmit check digit
Do not transmit check digit
No check digit verification
Transmit check digit after verification
Do not transmit check digit after verification
No check digit verification
One check digit, MOD 7; do not transmit check digit
One check digit, MOD 7; transmit check digit
One check digit, MOD 43; transmit check digit
One check digit, MOD 43; do not transmit check digit
Full ASCII enabled; no check digit verification
Full ASCII enabled; MOD43; do not transmit check digit
Full ASCII enabled; MOD43; transmit check digit