User`s manual

7–109Digital Emulation
The String Introducer Control code (DCS) identifies the start of the sixel
protocol. The DCS code is 90H in 8–bit mode. In 7–bit mode, it is 1BH,
50H.
Protocol Selector
The protocol selector consists of a string of zero, one, or more numeric
parameters, each separated by the parameter separator character, ;
(semicolon, 3BH). A valid numeric parameter consists of zero, one, or more
digits in the range of 30H – 39H. The protocol selector has the following
format:
ASCII Code Ps1 ; Ps2 ; Pn3 ... Pn q
This selector is defined as follows:
• Set Ps1 to zero and explicitly define the Horizontal Grid Size with the
Pn3 parameter. Set the aspect ratio numerator and denominator using the
Pn1 and Pn2 parameters in the Sixel Data Control sequence, “Set Raster
Attributes,” page 7–114
Macro Value
Horizontal Grid
1/140 in (.0071)
0 or none
200:100
Size (Inches)
Aspect Ratio
(Vert. Pxls:Horz. Pxls)
1/140 in (.0071)
1 200:100
1/140 in (.0071)
1 200:100
1/180 in (.0056)
2, default to: 250:100
1/180 in (.0056)
3, default to: 250:100
1/180 in (.0056)
4 250:100
1/140 in (.0071)
5, default to: 200:100
1/140 in (.0071)
6, default to: 200:100
1/140 in (.0071)
7, default to: 200:100
1/140 in (.0071)
8, default to: 200:100
1/70 in (.0143)
9, default to: 100:100
• Macro values 2,3, and 5 through 8 are default definitions required by
this printer. If Ps1 is greater than 9, default to Ps1 = 0.
• Ps2 is the background select parameter. It is not used by this printer.
• Pn3 selects horizontal grid size in decipoints (1/720in). This parameter,
used with the aspect ratio, defines grid size.