DATECS DPP-450 Programmer’s Manual
Returns 2 bytes of information - the first one is battery voltage returned in the format:
battery voltage x 10 + 20H and second is head temperature returned in the format: head
temperature + 20H.
63. Aligning the characters (ESC a)
Code: [1Bh] + [61h] + n
n is between 0 and 2 or between
‘0’ and ‘2’: 0 or ‘0’ Left end
alignment
1 or ‘1’ Centering
2 or ‘2’ Right end
alignment Default
value is 0.
After printing of the line the alignment becomes automatically left-justified.
64. Increase text line height (ESC b)
Code: [1Bh] + [62h] + n
The command adds n dots to current text
line height. n is from 0 to 255.
After receiving the every symbol for printing, the printer checks its size (depending on double
height attributes, rotation e.c.t.) and sets current line height so, that the whole letter is
printed. The command adds additional dots to so calculated line height.
The maximum line height is 48 dots above base line (the line, at which the bottom of most
latin letters is, for example the letter ‘A’). If adding n to the current height is larger than
maximum height (48), then 48 is set as height.
If no text or graphic data in line, the command is not executed.
The difference between line height in commands LF, ESC 2, ESC 3 and ESC J is that the height
is increased above the letters. The command is useful when inverting a text line in XOR ruled
lines mode.
65. Enabling/Disabling the functioning of the button LF (ESC c5)
Code: [1Bh] + [63h] + [35h] + n
n can be from 0 toо 255, but only the least significant bit is of
significance. Value 0: Button LF is valid.
Value 1 : Button LF
is invalid. Default
value is 0.
66. Printing and feeding paper by n-lines (ESC d)
Code: [1Bh] + [64h] + n
n can be from 0 to 255.
Prints data inside the buffer and feeds paper by n lines.
The beginning of the line is to be considered as the next printing
start position. When n=0 paper is fed with 1 line.
67. Feeding paper backwards (ESC i)
Code: [1Bh] + [69h]
If paper has been fed forward with command ESC o, then it returns backwards. The feed is
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