1 DATECS
DPP-350
Programmer’s manual VER.1.50
21
02h
After receiving this command the printer moves approximately 20 cm of paper and
Searches minimum and maximum of paper sensor values. Two bytes data are returned –
Minimum value and maximum value.
03h
After receiving this command the printer moves approximately 20 cm of paper and
Searches minimum and maximum of paper sensor values. Then a reasonable value of the
AD Threshold is calculated and stored in flash memory. One byte data is returned, which
is the new ADC threshold value.
20h
to
C0h
The byte is used as ADC threshold value and is stored in flash memory. One byte data is
returned, which is the new ADC threshold value.
The factory setting of ADC threshold value is 68h.
41.
Setting horizontal tab position (
ESC D
)
Code:
[1Bh] + [44h] + n
1
+ … + n
k
+ [00h]
n
i
is from 0 to 255.
n
i
indicates the number of the column from the beginning to the horizontal tab position, minus 1. For
example, to set the position at 9th column, n=8 is to be specified.
The tab position is set at position where it is “character width multiplied by
n
i
” from the line beginning.
The character width, at this time, includes the rightward space amount. In double wide characters, it is
made double of the ordinary case.
Tab positions can be specified are maximum 32.
ESC D [00h]
clears all the set tab positions. Following clearing, horizontal tab command is ignored.
42.
Specifying / Canceling highlighting (
ESC Е
)
Code:
[1Bh] + [45h] + n
n
can be from 0 to 255, but only the least significant bit is of significance.
Value 0: Canceling highlighting
Value 1: Highlighting is specified
This is effective for character font A (12x24) and font B (9x16).
43.
Filling or inverting the page area in page mode (
ESC F
)
Code:
1Bh] + [46h] + n
Allowed values for
n
:
0
or ‘
0
’:
The area is cleared (white)
1
or ‘
1
’:
The area is filled (black)
2
or ‘
2
’:
The area is inverted.
The command fills the selected with
ESC W
page with the desired color or inverts it. The command is
not valid in standard mode.
The command is supported in firmware version 1.42 or higher.
Note:
It is not recommended to be used for font
B
because text is not readable.
Note:
Use this command carefully and only if the printer has problems in black mark / label recognition.