Star Micronics XB-2420 Printer User Manual


 
Assigningthe characterdotpattern
Wewilluse a tiny representationof a telephonesymbolfor ourexample.
r
“.
32
16
8
4
2
1
1
128
. .
1 2 3 4 5 6 7 8 9 10111213141516171819 202122232425262728293031 32333435
128
I :
I I
II
I
II II
I I
I II
[
II II I ! I II
I
I
II
I
.,
I
1
-1 - - l-l 1- - l-l - - 1
+
t
+
*
r
..
I
I , , ,
-, ,-, ,- ,-, ,-, ,- -, -
, ,
.. ! , , I , - - - ,-, - -r -, ,- - , , !t’
1
---
1 1 1
, ,
1
- - -,
I
s.
! I
. . . . ., .
I I
16
I
l-r 1=1l-l
1+
8 ;
[
, ,., ,., ,.,
I I
1 I
4
I
I
I 1.1 l-l l-l
1 1
7 . . . . .*
--
I I
1 1
t
I ]*1
I
1 \ 1 1 1 1-1 ,-r l-r r-i r-l r-l l-l I- I I- I I- I l-l 1 1 1
128
6&
32
16
H
4
2
Ccl”,press, ”r,
“lash b,t
,-,
1 1 1
1-1 t “i
BEli
:.
.t.
FQum 8-3 TelephonesymbolwithLQpica
Afteryouhavedesignedthecharacterpattern,youneedtocompresstheDot
Pattern.
Data compressionallows you to store more download charactersthan
withoutcompassion. It is a moreefllcientuseofmemory.Theprinterwill
repeatthepreviousdotcolumnwhenthecurrentcolumncompressionmask
bit is setto” l“.
Filluptheadjacentdoteventheydonotprint,thencomparetheeachvertical
line to the left line.If thelineis the sameas theleft one,write“l” in the
columnof the“compressionmaskbit”.If it is not,write“O”.