NCR 7870 User Manual
A-16 Appendix A: Programming Worksheets
2
2
RS-232 PREFIX BYTE
A
B
Prefix Byte
0
Disable
1
Enable
ASCII Code
0 - 7
Hex Character
(ASCII Code Chart)
0 - F
Hex Character
(ASCII Code Chart)
0
2
Default
2
2
Your Program
RS-232
Prefix Byte
Prefix Byte
A
ASCII
Code
B