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Distinction between the Two Handed
Keyboard Types
There are two different QWERTY Adaptation
courses. One for layout-89, one
for layout-90.
Likewise, there are two Maltron training courses for the
two-handed Maltron keyboard.
The difference is mostly in the position of the number keys
and punctuation keys.
To confirm the layout of the keyboard you have you can
look at the QWERTY row of letters and if the number 2 is above the letter
W then
the
keyboard
has
layout 89.
If the
number
2 is above the letter Q then the keyboard has layout 90.
Layout-90 number positions are more like the flat keyboard
you will know - except for the escape key - which is in the central number
area.
If you have one of our earlier keyboards it is most likely
that it has layout-89. These diagrams show the important
differences:
Qwerty Letter Layout Keyboards

Layout-89


Layout-90
Number 2 above the Q and the double
pairs of tall keys on the thumbs.
Maltron Letter
Layout Keyboards

Layout-89


Layout-90
Number 2 above the Q and the double
pairs of tall keys on the thumbs.

Note: Fn mode
_- and
+= alternate key symbols not shown
on the above L90 diagrams for clarity.
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