About CII Control Tags

The following hexadecimal control tags are used in CII:

Control Tag
Function
0xF0
Starts extended mode
0xF2
Length extender
0xF7
Length indicator
0xF8
Escape indicator
0xF9
Internal segment separator
0xFA/0xFD
Multi-detail header (loop start)
0xFB
Multi-detail return
0xFC
Multi-detail trailer (loop end)
0xFE
Message Trailer