Baum VarioUltra 20, User Manual, Page: 116 / 154

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Note that L and R refer to the left (B9) and right (B0) thumb keys
respectively.
10.5.6 Keyboard > Key Debounce
Some people type braille very fast. Some of those people type faster
than most braille typists on the planet. For this select group of people,
there may be occasions when their fast typing may result in some
keystrokes getting lost during typing.
Key Debounce may be able to help. The default value is 50 on a scale of
10 to 100. Lower numbers can help the superfast braille typists out
there.
10.5.7 Keyboard > Auto Repeat for Navistick
The Auto Repeat function for Navistick check box provides an automatic
repeat function whenever the Navistick is held down to move left, right,
up, or down.
When this option is selected, edit boxes appear in the dialog that allow
you to specify the initial delay and repeat rate, or number of strokes per
second.
10.5.8 Keyboard > Auto Scroll
The Auto Scroll function is used to automatically advance the braille
display, at a user-defined rate of speed. When activated, you no longer
need to press display buttons to move the display.
When this option is selected, you get an Edit box “Interval” where you
enter the time in milliseconds for the automatic press on D5.
To start auto scroll while reading a document, press D2 or D5 for 5
seconds. To stop the function, press D2 or D5 for 5 seconds again.
If the auto scrolling is too slow or too fast, you can increase or decrease
the speed while reading. Double tap D2 to decrease the speed by 100
milliseconds. Double tab D5 to increase the speed by 100 milliseconds.
10.6 Settings > Date and Time
In Braille Notetaker mode, you can check the current time and date by
tapping system key S4 once or twice respectively.