NCR 7193, Руководство пользователя

Страница: 85 / 104

7193 Owner’s Guide Chapter 6: Commands
August 1998 79
Select Pitch of HRI Characters
This command is not implemented and is ignored if received.
Hexadecimal Decimal ASCII Value of n (Pitch) Default
1D 66 n 29 102 n GS f n
0 = Standard Pitch at CPI
1 = Compressed Pitch at 19 CPI 0
Select Height of Bar Code
Sets the bar code height to n dots or n/152 inch (n/6 mm).
Hexadecim
al Decimal ASCII Value of n Default
1D 68 n 29 104 n GS H n
1-255 162
Print Bar Code
Selects the bar code type and prints a bar code for the ASCII characters entered. The
command is only valid at the beginning of a line. If the width of the bar code exceeds one
line, the excess data is not printed. Illegal data cancels the command.
There are two variations to this command: the first uses a NULL character to terminate the
string; the second uses a length byte at the beginning of the string to compensate for the
Code 128 bar code which can accept a NULL character as part of the data.
Note: Fixed-length codes can be aligned left, center, or right using the Align Positions
(1B 61) command. Variable-length codes are always center aligned.
The check digit is calculated for UPC and JAN (EAN) codes if it is not sent from the host
computer. Six-character zero-suppressed UPC-E tags are generated from full 11 or 12
characters sent from the host computer according to standard UPC-E rules. Start/Stop
characters are added for Code 39 if they are not included.
First Variation: String terminated with NULL Character
Hexadecimal Decimal ASCII
1D 6B m [d]n 00 29 107 m [d]n 0 GS k m [d]n NUL
0 = End of command.
m = 0-6 (see the table)
d = 32-126 (see the table)
n = 1-255 (see the table)