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Display Control
Roll Text Up
Each time you press the •
key, the text in the workspace rolls up one row. The top row in
the window rolls off the screen, the remaining data rolls up one line on the screen, with a new
line of data rolling from the workspace into the bottom line of the window. If you hold this key
down, the text continues to roll upward until you release the key or until the final line of data
in the workspace appears in the top row of the window. In the latter case, pressing or
continuing to hold down the key has no further effect. The «roll up" function is illustrated in
figure 4-1.
A.
Roll Up
B.
Roll Down
Figure 4-1. The «Roll" Data Functions
In the configuration and User Key menus, this key is disabled. In Memory Lock mode, the
unlocked text rolls behind the locked text, as if the bottom line of the locked text is the top of
the window.
To perform this function programmatically, use the following escape sequence:
Ec S
Roll Text Down
Each time you press the •
key, the text in the workspace rolls down one row on the screen.
The bottom row in the window rolls off the screen, the remaining data rolls down one line on
the screen, with a new line of data rolling from the workspace into the top line of the window.
If you hold this key down, the text continues to roll downward until you release the key or
until the first line of data in the workspace appears in the top row of the window. In the latter
case, pressing or continuing to hold down the key has no further effect. The «roll down"
function is illustrated in figure 4-1.
4-9
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