GU-3900B series “General Function” Software Specification
4.7.4.44
ESC % n
(Download character ON/OFF)
Code:
1Bh 25h n
Function:
Enable or disable display of download characters (6×8, 8×16, 12×24, and 16×32 dot).
n = 01h: Enable (If download character is not defined, built-in character is displayed)
n = 00h: Disable
Characters already displayed are not affected.
4.7.4.45
ESC & a c1 c2 [x1 d1...d(y×x1)]...[xk d1...d(y×xk)]
(Download character definition)
Code:
1Bh 26h a c1 c2 [x1 d1...d(y×x1)]...[xk d1...d(y×xk)]
a:
Select character type
c1:
Start character code
c2:
End character code
x:
Number of dots for X-direction
d:
Definition data (refer to 4.9
Download character format)
Definable area:
01h ≤ a ≤ 04h
a = 01h:
6×8 dot character
00h ≤ × ≤ 06h
a = 02h:
8×16 dot character
00h ≤ x ≤ 08h
a = 03h:
12×24 dot character
00h ≤ x ≤ 0Ch
a = 04h:
16×32 dot character
00h ≤ x ≤ 10h
20h ≤ c1 ≤ c2 ≤ FFh
00h ≤
d
≤
FFh
k = c2 ? c1 + 1
Function:
Define download characters (1-byte characters) into RAM.
For each font size, a maximum of 16 download characters can be defined.
After the maximum number of download characters are defined, in order to define other character
codes, space must first be obtained using the Download
character delete command.
Downloaded characters are valid until redefined, an initialize (ESC@) sequence is executed, or the
power is turned off.
To display download characters the commands Download character definition and Download
character ON/OFF (set to ON) are required.
If x is smaller than the character width, the remaining space on the right is filled with blank (non-
display) dots.
If a currently-displayed download character is re-defined, there is no affect on the currently-displayed
character. It is effective only for newly input characters.
Download characters can be saved into FROM using the Save download character command.
4.7.4.46
ESC ? a c
(Download character delete)
Code:
1Bh 3Fh a c
a:
Select character type
c:
Delete Character code
Definable area:
01h ≤ a ≤ 04h
a = 01h:
6×8 dot character
a = 02h:
8×16 dot character
a = 03h:
12×24 dot character
a = 04h:
16×32 dot character
20h ≤
c
≤
FFh
Function:
Delete defined download character (1-byte character).
Built-in character is displayed after download character is deleted.
Characters already displayed are not affected.
Command is ignored if download character is not defined for the given character code.
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