NCR 7870 - Page 215

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
22
Your Program
RS-232
Prefix Byte
Prefix Byte
A
ASCII
Code
B