
Contents
ESC/POS Read Me First
vii
RS-232 Parameters - 1 ................................................. 5-68
Baud Rate .............................................................. 5-68
Parity ..................................................................... 5-68
Stop Bits and Character Length .......................... 5-68
Handshake ............................................................ 5-69
Parameter Shortcuts ............................................. 5-70
Sample Program ................................................... 5-70
Entering the Program .......................................... 5-71
RS-232 Parameters - 2 ................................................. 5-74
BCC Option .......................................................... 5-74
Interface Control ................................................... 5-74
Check Digit ........................................................... 5-75
VLI and Bit 6 EOM ............................................... 5-75
Retransmit on ACK/NAK Timer
Expiration ............................................................. 5-76
Parameter Shortcuts ............................................. 5-76
Sample Program ................................................... 5-77
Entering the Program .......................................... 5-78
RS-232 Prefix Byte ...................................................... 5-81
Prefix Byte ............................................................. 5-81
ASCII Code ........................................................... 5-81
Parameter Shortcuts ............................................. 5-81
Sample Program ................................................... 5-82
Entering the Program .......................................... 5-82
RS-232 Terminator Byte .............................................. 5-85
Terminator Byte .................................................... 5-85
ASCII Code ........................................................... 5-85
Parameter Shortcuts ............................................. 5-86
Sample Program ................................................... 5-86
Entering the Program .......................................... 5-86
Communications Options .......................................... 5-89
Send IBM Tags in Hex or ASCII .......................... 5-89
Maintain or Drop OCIA Tag Message
Data ....................................................................... 5-89
Retries on IBM Message ...................................... 5-90
Содержание 7890
Страница 1: ...NCR 7890 Presentation Scanner User s Guide BD20 0901 A Release G November 1998...
Страница 15: ...User s Guide xiii European Contact NCR Limited 206 Marylebone Road London NW1 6LY England...
Страница 16: ...Declaration of Conformity xiv User s Guide...
Страница 27: ...User s Guide xxv...
Страница 29: ...Contents ii Book Title...
Страница 35: ...Contents ii User s Guide...
Страница 41: ...Contents ii User s Guide...
Страница 56: ...Contents ii User s Guide...
Страница 176: ...Programming Your 7890 Scanner Scanner Programming Summary User s Guide 5 101...
Страница 178: ...Contents ii User s Guide...
Страница 187: ...Contents ii User s Guide...
Страница 217: ...BD20 0901 A November 1998 Printed on recycled paper...