TransAct POSjet 1500 Programmer's Manual page 168

Control Codes
EAN-13
EAN-13 is a fixed-length, numeric, continuous code that employs four element widths. The printer supports EAN-
13, which is a superset of UPC that encodes 12 digits. Typically, the format starts with a number set digit, which
defines how the next six digits are encoded. The next five digits have fixed encoding. The last is a check digit. The
printer prints an EAN-13 bar code with the 12 digits sent to it and generates the check digit. If fewer than 12 digits
are sent, the remaining digits will be zeros. The printer prints an EAN-13 bar code that is about 130% the size of the
nominal standard, which provides optimal readability.
EAN-8
EAN-8 is a fixed-length, numeric, continuous code that employs four element widths. The printer supports EAN-8,
which is a superset of UPC that encodes seven digits. The printer prints an EAN-8 bar code with the seven digits
sent to it and generates the check digit. If fewer than seven digits are sent, the remaining digits will be zeros. The
printer prints an EAN-8 bar code that is about 130% the size of the nominal standard, which provides optimal
readability.
Code 93
Code 93 is a variable-length, alphanumeric bar code. The complete data field is printed by the printer. Due to space
limitations, only 10 characters can be printed.
Codabar
Codabar is a variable-length format, primarily used for numeric symbols. It offers 16 data characters, including the
numeric digits zero through nine, and -, $, :, /, ., and +. Four unique start/stop characters, designated A, B, C, and D,
are also available. Due to space limitations, only 12 characters can be printed.
Note 1 A [CR] may also be used in place of the
[ETX] to end the bar code data field.
Note 2
Only information that is usable in a particular bar code will be printed.
Function Set bar code height
ASCII [ESC] [EM] B <n>
Hexadecimal 1BH 19H 42H <n> of digits
Decimal
<27> <25> <66> <n>
IPCL
&%BH <m
EPOS
[GS] h <n>
Description
The [ESC] [EM] B <n> command sets the bar code height and speed where <n> is the number of
print passes and <m> is the speed.
Each pass is about 0.11 inch high. When n = <0>, the printer returns to the default value of four
passes. For UPC, the default value is seven. Any value from zero to nine may be specified.
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Rev M
1500 Programmer' s Guide
Nov-07