To define a custom keyboard mapping without implementing a Braille input key set, implement any or all of the features described earlier in this documentation, but define Braille dot 1 as 0 using the virtual key code definition method.
If you are not using a Braille input keyboard, it would not make sense to start with the main keyboard disabled, unless you intend to build it from scratch with a completely unorthodox layout. Ordinarily, only a minority of keys are given custom configurations, so the Braille configuration substring includes the "K" option to enable the main keyboard as a whole. Thus: in order to create a custom keyboard mapping without a Braille input keyboard, the Braille keyboard substring would normally read at least:
"BK,:00".
The above string in itself has no effect, it merely enables the main keyboard without a functional set of Braille input keys. You can add more options to the string, such as to define the mapping as global, and/or use the "K" setup directive to map individual keys.
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