Posiflex LS-1000 - Manual (Page 97)

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OMNIDIRECTIONAL SCANNER PROGRAMMING GUIDE
4. Function Key Emulation
In this section, users can emulate Function keys, Arrow keys, and
many other extended keys. An IBM compatible keyboard does not
translate to ASCII characters; it can be concatenated with input
data as header and/or trailer. (See Appendix B)
Function key emulation enable
Function key emulation disable