8
2.
ESC DC2
Set to vertical scroll display mode
ACSII Code format
：
ESC DC2
Decimal system format
：
[027][018]
Hexadecimal format :[1BH][12H]
Note: change display mode to vertical scrolling display mode. Vertical
scrolling display mode, the cursor display characters from top row to the left
to the right, to the right end of the cursor will automatically shift left most
position in the end, the cursor in the end on the right, bottom line will be
rolling on top line and replace the top line, then the cursor back the bottom
row of the left to display the characters sent.
3.
ESC DC3
Set to horizontal scroll display mode
ACSII Code format
：
ESC DC3
Decimal system format
：
[027][019]
Hexadecimal format
：
[1BH][13H]
Note: change display mode to horizontal scroll display mode. When scrolling
horizontally, the characters which sent are always displayed at the rightmost
end of the cursor's line, and then move the previously displayed characters
from right to left.
1.
ESC Q A d1d2d3…….dn CR Displays characters in the first line
