User manual

ESC % {0}
Re-selects the character generator in ROM (only
EPSON mode).
1B 25 {00}
27 37 {0}
This sequence causes downloaded character redefinitions to be ignored and
selects the character generator in the ROM.
ESC = {n} {m} {35} {p} {q}
Defines down-line loaded character (only IBM
mode).
1B 3B {n} {m} {23} {p} {q}
27 61 {n} {m} {35} {p} {q}
This sequence allows to design and then down-line load special character not
present in the character set in use. It also allows to change one character with
another character. Do not forget to select BUFFER FULL function in the Printer
Setup. Whenever you would like to start the DLL setting procedure, proceed as
follows:
◆
copy the character generator in ROM into RAM
◆
select the DLL generator.
256 entries of 9 bytes compose the look up table of a character generator. One
entry describes one character as follows:
Byte 1,2 The absolute address of the character definition
Byte 3
Bit 7 {1} indicates that the character is a graphic character
(connects at 6 lpi)
{0} indicates that the character is an alphanumerical
character
Bit 6 {0} indicates a DLL character
{1} indicates a resident character
Bit 5 to 0 these 6 bits indicate the effective number of dot columns of
the character shape stored in memory
Byte 4
Bit 7,6 Graphic character description:
{00} shading character
{01} line drawing character
{10} underscored character
Appendix A
A.26
A78401745-001