Set the text scroll manually. Below are three input fields. Set the options that are convenient for you in each of them. Show items - specify the number of simbols displayed on the screen in one step, which is able to catch the focus of your eye. The number of words will be output depending on their length, but at least one word if it is longer then the specified value. Font size - Enter your preferred font size. Speed sec. - Set the scroll speed of one step. Speed is in seconds. The minimum allowed value is up to hundredths of a second.
At the bottom of the speed bar are scroll buttons.
Description of buttons from left to right:
1. Step back - stops scrolling and returns one step back.
2. Play / Pause - starts / stops scrolling.
3. Step forward - stops scrolling, moves one step forward.
4. Reset - the text scrolls from the beginning.
The last field shows how many percent is read.