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F0h
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4
Command Details
4-1
Overwrite mode
In this mode, the cursor will move towards the right and begin from the upper left position.
When the cursor has reached the end of the upper line, the cursor will move down to the
bottom left position to continue. When the cursor has reached the end of the bottom line, it
will move to up the upper left position and overwrite the previous characters.
4-2
Vertical scroll mode
In this mode, the cursor will move towards the right. The cursor will begin from the upper left
position until it has reached the end of the upper line. The cursor will then move down to the
bottom left position to continue until it has reached the end of the bottom line.
4-3
Horizontal scroll mode
In this mode, the extent of the cursor activity is bound by a predefined range, limited to the
upper line. (Please refer to Set or cancel window command), where the default window is
the whole upper line. The cursor will begin from the left-end of the range and move
rightward until it reached the end of the range, to continue, the characters that comes
thereafter will start pushing the previous characters leftward from the right-end, scrolling the
characters to the left.
4-4
Set the string display mode and write string to display
Set the string display mode, write to upper or lower line d1 d2 d3 … dn {1 n 20}. ‘A’
stands for the upper line, ‘B’ stands for the lower line. The string display mode will be
cancelled and the display will return to the previous mode after receiving CLR or CAN.
4-5
Upper line message continuous scroll
The message (previously defined) will scroll continuously in the horizontal direction until a
