NCR 7156, Руководство пользователя, Страница: 113 / 138

7156 Owner’s Guide Chapter 6: Commands
September 1997 107
“on us” symbol
Transit symbol (
) 0x28
0x29
Once a parsing format is specified, the following values are returned:
MICR Characters ASCII Hexadecimal
Numerics
Space
Dash
Field separator*
Country code* 0...9
-
0x30...0x39
0x20
0x2D
*As specified in the parsing parameter string
With RS-232C communication, the printer adds a final carriage return to the MICR data
sent to the application.
Check Serial Number
Parsing the Check Serial Number
Most banks print the check serial number in three easily recognizable spots. The printer
firmware will look for the number in these spots, using the following ordered algorithm.
The examples use letters to represent symbols on the check:
t
o
$
-
c
x Transit symbol
“on us” symbol
Amount symbol
Dash
Check serial number
Any other number
A number bracketed by “on us” symbols in the auxiliary “on us” field is the check serial
number.
occcccco txxxxxxxxxt xxxxxxxxo
Otherwise, a three or more digit number to the right of the rightmost “on us” symbol, and
to the left of the leftmost amount symbol if an amount field is present, is the check serial
number.
txxxxxxxxxt xxxxxxxxo cccc
txxxxxxxxxt xxxxxxxxo cccc $xxxxxx$
If both of these searches fail to produce the check serial number, extract the whole account
number field from between the rightmost transit symbol and the rightmost “on us”
symbol. A three, four, or five digit number to the right of the rightmost transit symbol,