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m5throughm9arecompressionmaskbits.Datacompressionallows
theefficientuseof memoryin storingdownloadedcharacterspro-
vidingspaceformorecharactersthanwouldbe availablewithout
compression.The printerrepeatsthe previousdot columnin the
currentcolumnwhenthecurrentcolumncompressionmaskbitisset
to 1.
ItisnecessarytodefineallofIndexTabledatabeforetheDotPattcm
datato downloadmanycharacters.
dl, d2, ... dx is the DotPatterndatabeingdownloaded.
Eachdatabyteindicateseightverticaldots,withthemostsignificant
bitbeingthetopdot,andtheleastsignificantbitbeingthebottom
dot.
Copycharacterset fromROMinto RAM
Mode ASCII Decimal
Hexadecimal
Std.
<ESC> “:” <O> n
<o>
27 5fJ O n O IB 3A 00 n 00
Copiesthe selectedcharacterset with n, as shownbelow,to the
correspondingdownloadcharacterRAM area, overwritingany
downloaddataalreadypresent.IgnoredwhenEDSswitchA-2isnot
setto
“RAM DOWNLOAD”.
n Font n Font
O Roman
1 Sanserif
2 Courier
3 Prestige
4 script
5 OCR-B (Option)
6 OCR-A (Option)
7 Orator
8 Orator2 (Option)
9 TW-Light (Option)
10 LetterGothic(Option)
11 Blippo
(Option)
12 H-Gothic
13 Orane
(Option)
14 Cinema
(Option)
15 CODE39
(Option)
16 UPC/EAN (Option)
17 OldStyle
(Option)
18 Firenze (Option)
32 SLQRoman
33 SLQTW-Light
34 SLQScript (Option)
109