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Chapter 5: Programming commands 45
A776-PG00001 C 12/09 A776 (B780) Programming Guide
Feed n dot rows
ASCII NAK n
Hexadecimal 15 n
Decimal 21 n
Value of n: Receipt - n/203 inch
Slip - n/72 inch
Range of n: 0–127 in A756 emulation
0–255 in A758 emulation and
A776 native mode
Feeds paper n dot rows without printing. Receipt moves n rows if the print buer is empty.
Add n extra dot rows
ASCII SYN n
Hexadecimal 16 n
Decimal 22 n
Value of n: Receipt - n/203 inch
Slip - n/72 inch
Range of n: 0–12
Default: Receipt - 3 extra dot rows
Slip - 3 extra dot rows
Adds n extra dot rows to the character height to increase space between print lines or decrease the number of lines
per inch.
Line spacing is set for the station or stations selected by the command 1B 63 31 n .
Formulas
This table shows the relationship between the number of lines per inch and each dot row added:
Receipt Station Slip Station
Extra rows Lines per inch Dot rows Lines per Inch Dot rows
0 8.47 24 10.29 7
1 8.13 25 9.00 8
2 7.81 26 8.00 9
3 7.52 27 7.20 10
4 7.25 28 6.55 11
5 7.00 29 6.00 12
6 6.77 30 5.54
13
7 6.55 31 5.14
14
8 6.35 32 4.80
15
9 6.16 33 4.50
16
10 5.98 34 4.24
17
11 5.81 35 4.00
18
12 5.64 36 3.79
19