
Chapter 3: Programming Commands 59
Select font ID number
ASCII GS 0xF0 0x01 n
Hexadecimal 1D F0 01 n
Decimal 29 240 1 n
Value of n: 128 - 255
SelectfontIDnumberfordownloadedfont.
Thiscommandissentbeforedownloadingthemapleforaspecicfont.EachfontIDhasonemapletodownload.
This command is also sent to select a downloaded font at run time.
Font ID Font
C3 (hex) Traditional Chinese
D3 (hex) Simplied Chinese
CB (hex) Kanji
CE (hex) Korean
Select font style number
ASCII GS 0xF0 0x02 n
Hexadecimal 1D F0 02 n
Decimal 29 240 2 n
Value of n: 0 - 255
Selectfontstylenumberfordownloadedfont.Afterselectingfontstylenumber,setthehorizontalandverticalcharacter
spacing for the characters.
Thiscommandissentbeforedownloadingthemapleforaspecicfont.EachfontIDcanhavemultiplestyles.For
example,twodifferentstylescouldbe16x16Gothicand24x24Gothic,orthreedifferentstylescouldbe16x16
Gothic,16x16Ariel,and16x16Courier.Eachstylenumberwithinafonthasonecharacterdenitionle.
Thiscommandisalsosenttoselectadownloadedfontstyleatruntime.
Save font ID number as default font at power up
ASCII GS 0xF0 0x03
Hexadecimal 1D F0 03
Decimal 29 240 3
SavecurrentfontIDnumberasdefaultfontatpowerup.Allcharacterswillbeprintedfromthedownloadedfont.
Get double-byte font CRC (font ID)
ASCII GS 0xF0 0x20 nn
Hexadecimal 1D F0 20 nn
Decimal 29 240 32 nn
Thiscommandqueriesthedouble-bytefontCRCwherennisthefontsetID.TheprintertransmitsACK(0x06)followed
bythetwo-byteCRC;otherwise,returnsaNAK(0x15)followedbytwobytesofzero(0x00).
Get double-byte font CRC (font ID and font style)
ASCII GS 0xF0 0x20 nn mm
Hexadecimal 1D F0 21 nn mm
Decimal 29 240 33 nn mm
Thiscommandquiresthedouble-bytefontCRCwherennisthefontIDandmmisthefontstyle.Theprintertransmits
ACK(0x06)followedbythetwo-byteCRC;otherwise,returnsaNAK(0x15)followedbytwobytesofzero(0x00).
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