DATECS DPP-450 Programmer’s Manual
An underline is not attached to a 90°- right-turned characters.
The following values of n are possible:
0 or 30h Canceling an underline.
1 or 31h Specifying an underline for 1-dot width.
2 or 32h Specifying an underline for 2-dots width.
Note:
This command only selects the underline thickness. For specifying/canceling the Underline mode
command ESC ! ([1Bh] + [21h]) must be used.
32. Printing Self Test/diagnostic information (ESC .)
Code: [1Вh] + [2Еh]
Prints test page and self-diagnostic information. The self-diagnostic information includes print
density, print head temperature, battery voltage, baud rate in case of work via RS232 and others.
33. Specifying 1/6-inch line feed rate (ESC 2)
Code: [1B] + [32h]
If in the line there are symbols that will not fit in the defined size, the line automatically is set to be
of the necessary height so they fit.
34. Specifying line feed rate n/203 inches (ESC 3)
Code: [1Bh] + [33h] + n
n is from 0 to 255.
Default value is n=22h (1/6 inches).
35. Changes print direction tо opposite (ESC <)
Code: [1Bh] + [3Ch]
The command changes current print direction. It is needed when using Hebrew and Arabic code
tables, but is working for all code tables.
Default print direction is from right to left for code tables 19, 21, 22, 23, 24 and from left to right for
all others.
The command is supported starting from version 1.42.
36. Data input control (ESC =)
Code: [1Bh] + [3Dh] + n
n can be from 0 to 255, but only the LSB is of significance.
Value 0: Printer is not selected.
Value 1: Printer is selected.
When the printer is not selected, it does not accept data (abandons all the received data) and the
only command that it executes is ESC = n with least significant bit 1.
By default the printer is selected.
37. Select print direction (ESC >)
Code: [1Bh] + [3Eh] + n
Possible values for n:
0 or ‘0’: Default direction for the selected code table.
1 or ‘1’: Left to right direction forced.
2 or ‘2’: Right to left direction forced.
The command sets the print direction. It is needed when using Hebrew and Arabic code tables, but
is working for all code tables.
Default print direction is from right to left for code tables 19, 21, 22, 23, 24 and from left to right for
all others.
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